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The new largest Lego set ever – The Roman Colosseum
Note: This is a remake of our 2014 and 2017 activities "How Much Does a Lego Cost?". How much could the Roman Colosseum Lego set cost ? Student first make ...
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The new largest Lego set ever - The Roman Colosseum
Thanksgiving, Black Friday, football and giving (12 activities)
How should I cook my turkey? - Students judge timing, cost, tastiness, and quantity necessary as they plan for the feast. 4.MD.1, 5.NBT.7, 4.MD2, 6.RP.3, 6.NS.3, 7.NS.3  Great video on a deep ...
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Thanksgiving, Black Friday, football and giving (12 activities)
Black Friday
When shopping next Friday, students will be able to add some understanding and analysis to the trip after calculating savings in dollars and percents with this timely investigation ...
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Black Friday
Lots of Cranberries
In this timely activity, students learn about how cranberries are grown and harvested; estimate their size and quantities; and see what they can deduce from published statistics ...
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Lots of Cranberries
Veterans Day 2020
Here are two very different maps about where Veterans live in the U.S. and which states have the largest density of Veterans citizens. What do these two maps make you ...
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Veterans Day 2020
Leaves are pretty but …
In this activity students see the inverse relationship between number of workers and time to complete the whole job. They graph hyperbolas and consider how long the extreme condition of ...
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Leaves are pretty but ...
Ravensburger huge puzzle
Students surmise what the difficulty of a jig saw puzzle entails and use rate calculations to estimate finishing times. They try to confirm whether doubling the number of pieces really ...
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Ravensburger huge puzzle
5 Election activities
Is the Electoral College vote similar to the Popular vote?  The winner of the Presidential Popular vote (November 3, 2020) is not always the same as the winner of the ...
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5 Election activities
14 activities for Halloween
Fourteen activities that will please and intrigue your students as October comes to an end ...
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14 activities for Halloween
Candy deals
We found big mixed bags of candy at really good prices ... we think. Students are asked to decide which would be the best deal and the worst deal on candy ...
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Candy deals
Is the Electoral College fair?
After showing the video consider asking your students what the grouping of students must have been for "colored pencils" to win the class electoral college?  Is there more than one ...
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Is the Electoral College fair?
Is the Electoral College vote similar to the Popular vote?
The winner of the Presidential Popular vote (November 3, 2020) is not always the same as the winner of the Electoral College vote (January 6, 2021). In this activity students ...
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Is the Electoral College vote similar to the Popular vote?
Costume spending 2020
Use our current data on Halloween spending in America to engage your students in an analysis of the ratios and percents of population, participation, and money spent in honor of ...
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Costume spending 2020
Monster cake
First, students need to find the surface area that the M&Ms cover in order to approximate how many M&Ms she needs to finish her cake. When Brian tried to make ...
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Monster cake
How much chocolate is left?
Fraction operations might be more interesting when it involves chocolate. Students reason and calculate what is left of these chocolate bars.  The bars are the same size but are molded ...
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How much chocolate is left?
2 Hiking Activities
Appalachian Trail Needs - Calculating the needs and rates involved in enduring this 2,168 mile trek. Steepness and Fall Hiking - Use a little mathematics about percent grade change in ...
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2 Hiking Activities
Chuck E. Cheese needs to shred
It will cost 2.3 million dollars to shred 7 billion, previously printed, tickets in an attempt to reach a bankruptcy settlement at Chucky Cheese. Is that a reasonable amount? ...
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Chuck E. Cheese needs to shred
How many gumballs are there?
Thinking, estimating, and calculating! How many gumballs are there? How much would it cost to buy them all? How long would it take me to buy them all? ...
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How many gumballs are there?
NBA Finals 2020
Exploring NBA championship data. Check out the dominance of a select few teams in NBA history.  Students work the data, data representations and statistics.  For which kind of observations are ...
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NBA Finals 2020
USPS needs help!
Students learn how the Postal Service is funded and try to decide how the USPS could earn more or spend less in their operation.  They finally get to think about ...
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USPS needs help!
Ramen noodle heist
In 2018, the trailer of a truck filled with Ramen noodles was stolen from a parking lot in Georgia. The trailer contents were valued at $98,000. What do you wonder ...
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Ramen noodle heist
Do you want to be an NBA virtual fan?
For health concerns, professional sports now have no actual live fans. To help generate the excitement and semblance of fans, some teams use cardboard cutouts of people.  Some use Zoom ...
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Do you want to be an NBA virtual fan?
It might be a good year to see the Perseid meteor shower
Catching a productive meteor shower can be a stunning experience.  On the evenings and mornings of August 11th, 12th and 13th there could be a very good show.  A last ...
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It might be a good year to see the Perseid meteor shower
Largest s’more ever!
What is reasonable.?  How many marshmallows are in this recipe?  How many people could this cookie feed? How many marshmallows could you eat? ...
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Largest s'more ever!
How much water should you be drinking?
Student develop and use formulas for calculating their water needs ...
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How much water should you be drinking?
How fast will my new puppy mature?
There is a new dog aging formula that depends on methyl markers that adhere to the DNA molecules of living things.  Now we know that dogs don't age as we ...
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How fast will my new puppy mature?
Does the new “Most Stuf” Oreo have an exorbitant amount of stuf?
How much more "stufed" are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy to you or gross?  Why are they filled ...
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Does the new "Most Stuf" Oreo have an exorbitant amount of stuf?
Coronavirus trends
Johns Hopkins University of Medicine has a team that maintains current maps and data about the Coronavirus.  They record changes and show trends of the virus activity throughout the World ...
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Coronavirus trends
Summer Solstice, the longest day
Saturday, June 20th, 2020 Sunrise on summer solstice at Stonehenge On Saturday, June 20th, at 5:44 pm EDT, the Earth's North Pole will be tilted as far towards the Sun as ...
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Summer Solstice, the longest day
What’s a payday loan? Good idea?
When you need a loan, and you're desperate for help, is this a good idea? Students learn about this kind of loan and examine how it compares with personal loans ...
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What's a payday loan?  Good idea?
National Donut Day
Two activities to help celebrate National Donut Day How many donuts is that = huge box of donuts to approximate. How have donuts changed = torus volume measurements, formula intuition, ...
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National Donut Day
I bought toilet paper online
Students use the pictures in this activity to approximate the size of this 16 roll package of bamboo toilet paper. They use comparison ratios with our Ruth Bader Ginsburg doll ...
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I bought toilet paper online
Memorial Day 2020
This Monday Americans will celebrate Memorial Day.  Who are we honoring?  How did the holiday come about?  Isn't Memorial Day usually on May 30th? Students learn a little about the history ...
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Memorial Day 2020
Big beach towel
Since beaches are starting to open again, we thought this activity might bring smiles and hopes. Act One: Check out this beach towel!  What do you wonder? What would you like ...
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Big beach towel
The AQI – Air Quality Index
See how much particulate matter, low-lying ozone, carbon monoxide, nitrogen dioxide and sulfur dioxide there is in the world's atmosphere at any one time and place. Students learn about the ...
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The AQI - Air Quality Index
Mother’s Day math – 13 possible activities
Mother's Day is right around the corner and this means big business for the greeting card and floral industries. Let your students practice averages, percents, and large numbers while they ...
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Mother's Day math - 13 possible activities
Sadly, Jorge passed away yesterday.
Jorge would have been 15 years old on May 5, 2020. We wondered how old that would have been in human years. Does that 7 times his dog years formula ...
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Sadly, Jorge passed away yesterday.
Microns and Masks
How big is a coronavirus cell? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? ...
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Microns and Masks
Does a player’s draft order (NFL) mean a lot for the player?
Students interpret the graph relating draft pick number and contract value. They consider how much being selected earlier or later, either by a few picks or rounds effects a player's ...
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Does a player's draft order (NFL) mean a lot for the player?
Earth Day, 2020 (15 activities)
15 activities that support recycling, conserving resources, studying climate change and protecting our planet ...
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Earth Day, 2020 (15 activities)
Stock Market headlines – Biggest losses since 2008
Biggest losses since 2008 - The Dow is measured in points but this decline can also be measured in the percentage lost.  Which way was the Dow being measured when ...
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Stock Market headlines - Biggest losses since 2008
World record Snickers Bar
This World Record Snickers Bar was created in late January at the Waco, Texas Mars Wrigley Plant. What proportions would be an accurate cross sections of this monster bar? How ...
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World record Snickers Bar
Passover and Easter activities (6)
6 activities about Easter and Passover. Ratios, statistics, fractions and number sense. Candy galore ...
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Passover and Easter activities (6)
Peeps
This activity is a investigation intended to get students and teachers to loosen up a little and appreciate how just considering a situation might lead you to a very reasonable ...
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Peeps
Hoarding stopped!
A Danish market found an interesting way to limit hoarding of hand sanitizer. How much are these costs in your currency? What is the unit price on these bottles? By ...
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Hoarding stopped!
Some of our activities that are good for at-home learning
We've got hundreds of great activities that demonstrate how math happens all around us.  Let your student choose an activity that interests him/her and enjoy the discoveries ...
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Some of our activities that are good for at-home learning
Is there much of a difference between 99.9% or 99.999%?
Use our present need for cleanliness to engage your students. Does it really matter whether you kill 99.9% of the bacteria or 99.999% of the germs? In this 3-act activity ...
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Is there much of a difference between 99.9% or 99.999%?
Celebrate Saint Patrick’s Day (3 activities)
Finding 4-leaf clovers! Shamrocks in Ireland are actually be 3-leafed white clover, trifolium repens. If you are lucky, you can sometimes find a four-leafed clover.  How rare is finding a ...
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Celebrate Saint Patrick's Day (3 activities)
The R-naught number of the coronavirus
We're still learning about the coronavirus and its ability to and tendencies toward infection and spread. Students learn about the R-naught number which is a measure of infectious growth. Real-world ...
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The R-naught number of the coronavirus
It’s time to gear up for Pi Day
8 activities to help celebrate π in your school and in your math class. Activities that demonstrate how π was derived; visually show why π makes sense; show a surprising ...
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Seattle, Washington Pi sculpture
Which gasoline is the cheapest?
A comparison of gasoline in Greece, priced at Euros per liter, and gas in Massachusetts at dollars per gallon. Price and liquid volume conversion using unit fractions ...
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Which gasoline is the cheapest?
Iditarod – The Last Great Race
The Iditarod Dog Sled Race will begin this year on Saturday, March 7th in Anchorage, Alaska. It is often called The Last Great Race on Earth because it is so long and grueling ...
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Iditarod - The Last Great Race
How many delegates does each state get to send to the Democratic Convention?
Students reason about the meaning of this formula. They evaluate the formula for South Dakota and their state of choice to understand the weight of each state's power in choosing ...
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How many delegates does each state get to send to the Democratic Convention?
Gonna be a Leap Year
This year we will add the 29th of February to our year?  Why do we do that?  How can you tell?  What if we didn't add a day every 4 ...
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By George C. Baxley
Mardi Gras or Fat Tuesday
Students get a chance to examine the monetary and environmental cost of this bead exuberance with our unit pricing and recycling activity ...
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Mardi Gras or Fat Tuesday
K-Pop and BTS, how much can they earn from Youtube and Spotify?
How much could this K-pop group possibly earn on Youtube and Spotify? Unit ratio calculations. BTS ...
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K-Pop and BTS, how much can they earn from Youtube and Spotify?
Valentine’s Day + NBA All-Star Voting + Presidents’ Day
14 Activities to choose from for Presidents' Day, NBA All-Star voting, and Valentine's Day. What a week! ...
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Valentine's Day + NBA All-Star Voting + Presidents' Day
Movies and the upcoming Oscars
Compounded percent change; central tendencies; the weight of Rapunzel's 70 feet of hair; Godzilla's height by comparison; how to measure the profitability of a movie series; most appropriate graphical representations; ...
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Movies and the upcoming Oscars
Do the best movies make the most money?
Do the "Best" movies make the most money?  How could you measure the "best" movie? What information would you need to make this judgement? At most ten movies are nominated each year to ...
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Do the best movies make the most money?
Super Bowl and Ground Hog day (9 activities)
+ Even more NFL math! Super Bowl ads and scientific notation  Updated! - On Monday, when the Super Bowl is over and all of the ads have been seen, use this scientific ...
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Super Bowl and Ground Hog day (9 activities)
Typical Super Bowl Scores
Updated! In this activity students study historical Super Bowl data to reflect on average (mean, median, and mode), losing scores, winning scores, and range of scores. They are asked to judge which ...
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Typical Super Bowl Scores
Expensive Super Bowl ads
What will a 30-second Super Bowl ad cost this year? Next year? In the future? How would you describe this rise in cost? ...
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Expensive Super Bowl ads
Lunar New Year 2020 – Year of the Rat
Year of the Metal Rat Lunar New Year begins on Saturday, January 25th. This will be the year of the Metal Rat.  The year name is a combination of 10 ...
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Lunar New Year 2020 - Year of the Rat
How steep is this treadmill?
In this very short activity, students get a memorable way to visualize a zero slope and an undefined slope ...
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How steep is this treadmill?
Martin Luther King, Jr. (5 activities)
Data on the National Mall sites - Two data analysis activities about the National Mall. Who do we honor? - What people or events are included in the National Mall monuments? Students ...
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Martin Luther King, Jr. (5 activities)
It’s Girl Scout cookie time again!
Totally new activity! Let your students talk about their favorite Girl Scout cookies as they figure out what the local GS chapter really earns from these sales.  Use this old ...
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It's Girl Scout cookie time again!
Wanna work for Uber?
Students examine the ads and decide what is and isn't said. Do the ads give enough information to make a decision? Which is the better deal? How do you know? ...
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Wanna work for Uber?
At last, the days are getting longer
As we've passed the darkest day, how will daylight hours change ... gradually, linearly, suddenly? Time differences, patterns, play with cool online simulator ...
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At last, the days are getting longer
Winter holidays – 17 activities
17 Great activities to finish your 2019 classroom year! ...
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Winter holidays - 17 activities
Star Wars … the story continues
The Rise of Skywalker will open on December 20, 2019.  How much did it cost to make?  How much will it gross? Is the Star Wars phenomena a guarantee for success? ...
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Star Wars ...  the story continues
Shipping crunch
Do huge numbers of packages shipped and huge numbers of packages delivered late mean that these two companies aren't doing a good job? Talk numbers ...
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Shipping crunch
It is getting dark way too early now
Students appreciate how their latitude effects the darkness of their late afternoon location as they study the earth's tilt and the logic of daylight hours. Is latitude the central angle ...
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It is getting dark way too early now
How much snow is that?
Start out this activity with: What do you notice? What do you wonder? How many inches of snow produced that pile?  How much snow in volume is on top of the car? ...
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How much snow is that?
The Forever Roll
Why would anyone need such a big roll of toilet paper?  How does it compare to Charmin's other toilet paper products? If this roll lasts for one month, how big ...
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The Forever Roll
Macy’s has some new balloons
These giant beauties can be measured in handler height, taxi cab widths, stories tall, and bicycle lengths.  What does that all mean?  How big are these balloons. The activity: Macy'sNewBalloons.pdf ...
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Macy's has some new balloons
How many Smashburgers?
There must be a million ways to craft one of these burgers. How many ways do you think that there are? ...
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How many Smashburgers?
Eliud Kipchoge runs marathon in 1:59:40.2
How have record marathon runs changed through the years?  Will those record times keep being broken?  Does the data help you predict? ...
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Eliud Kipchoge runs marathon in 1:59:40.2
Operation Gratitude – Halloween candy buy back
This is a great idea! Motivate kids to get rid of all of that candy for a good cause. Operation Gratitude and dentists are encouraging healthy eating, motivated giving, and ...
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Operation Gratitude – Halloween candy buy back
Which is the best candy deal?
Students are asked to decide which would be the best deal and the worst deal on mixed bags of candy.  They can also create their own mixed bags.  This activity ...
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How Much Halloween Candy Will You Collect?
Students consider how to determine the best candy haul prediction.  The math ideas of measurement error and percent error are introduced.  Students then predict their own Halloween candy collections numbers ...
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How Much Halloween Candy Will You Collect?
How much should the 40-oz size cost?
We found this chalkboard menu at a coffee shop recently. The shop had prices for the 12-oz (small), 16-oz (medium) and 20-ounce (large) cappuccinos.  And they will also make you ...
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How much should the 40-oz size cost?
Giant pumpkins
Let your students marvel at World Record winning giant pumpkins as they use proportions to calculate the quantities of pumpkin puree and the number of pumpkin pies that could be ...
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Giant pumpkins
Monster cake
Jodie Berman, a high school math teacher in Chicago, loves mathematics and loves to cook.  We've created an activity based on her Monster Cake (composed of everything that Cookie Monster ...
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Monster cake
15 NFL Math activities!
Do teams that spend a lot win a lot? (just updated!) -  Students compare team wins with team salaries in the four major North American sports ... the NBA, NFL, MLB and ...
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15 NFL Math activities!
Climate justice – 14 activities
Last week millions of people marched in hundreds of countries worldwide to demand "climate justice". Greta Thunberg speaking at World Economic Forum 2018 Choose from any of our 14 activities ...
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Climate justice - 14 activities
When will he use up his chocolate milk account?
Brian's son buys chocolate milk every few days to go with his lunch. His school creates an invoice that they send to parents every month that show the status of ...
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When will he use up his chocolate milk account?
Drill bit fractions
Act One:  Drill bits are measured by the diameter of the bit in inches. The drill bits below are ordered left to right in increasing size. The numerators in the ...
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Drill bit fractions
Back to school activities
Who's going back to school? - Students calculate the historical changes in U.S. population percentages of people who are going back to school and try to formulate reasons for these variations. 6.EE, ...
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Back to school activities
Does it pay to get educated?
Updated! Why should students do well in school, graduate high school, or go on to college?  In this activity median earnings by various education levels are explored.  Students compare the ...
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Does it pay to get educated?
So just print some more money!
What's the big deal with our deficit? Do we actually borrow money to cover our debt? If we do, imagine the interest charges? Help your students (and their families) understand ...
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So just print some more money!
Hurricanes 2019
The official Atlantic hurricane season started on June 1 and doesn’t end until November 30th. Now Hurricane Dorian is approaching the East Coast. Encourage your students to join the conversation, knowledgeably, by ...
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Hurricanes 2019
Who’s going back to school?
Updated! Students look at the past and present populations of the U.S. and the past and present population of school attendees to calculate the percentage of the population that are ...
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Who's going back to school?
Stacking Jack
Act One: Check out the video slide show.  What questions do you have? The Activity: Stacking Jack Suggested Question: How many different ways can I stack Jack?  That is, how many ...
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Stacking Jack
Wanna rent a chaise lounge?
Brian went to Crete and took a picture of this sign. What do you suppose he's going to ask next? Yep.  "How much will 6 loungers and 2 umbrellas cost?" ...
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Wanna rent a chaise lounge?
Are original movies better than their sequels?
We've gathered some data on movie ratings and their sequels and asked students to analyze the data, decide on some analysis and debate (with their mathematical data) which are better ...
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Are original movies better than their sequels?
Bears Ears revisited
There is some beautiful land in Utah that was changed last year from federally protected land to Utah overseen land.  The buttes of Bears Ears (shown above) and the surrounding ...
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Bears Ears revisited
Louisiana
We recently watched the approach of Hurricane Barry and worried about the fate of Louisiana. After the devastation of Hurricane Katrina, what would another powerful hurricane do to this fragile ...
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Louisiana
All-you-can-eat ice cream … 10 cents!
All the ice cream that you can eat for only 10 cents!  Wow, that's a great deal!  How great a deal was that? The history of the Dairy Queen franchise ...
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All-you-can-eat ice cream ... 10 cents!
How can Nike give away so much great stuff?
Worldwide Nike supports many teams and athletes.  They design, manufacture, and supply gear for almost every sport imaginable. How much are those give-aways worth?  Is the company going to go ...
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How can Nike give away so much great stuff?
California earthquakes and the Richter Scale
After a July 4th 6.4 magnitude earthquake, California experienced 7.1 magnitude quake two days later. Many more quakes and aftershocks are expected. The IRIS (Incorporated Research Institute of Seismology) Seismic Monitor will allow ...
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California earthquakes and the Richter Scale
NHL Playoff games can sure last a long time!
Revised! We're watching another Stanley Cup playoff now. Will there be any really long games during the playoffs? In 2013, a Stanley Cup playoff match between the Bruins and Blackhawks ...
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NHL Playoff games can sure last a long time!
Tornadoes 2019
Tornadoes have devastated the Midwest, U.S. in the last few days. Alabama, Texas, Louisiana, Oklahoma, Ohio, Missouri, Iowa, Nebraska and Mississippi have been brutally hit with these powerful events. Involve ...
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Tornadoes 2019
Wow, everything must be free!
What happens when you take 50% off again after taking 50% off at first? Students examine this retailer trick of giving double discounts.  What happens to the price when you ...
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Wow, everything must be free!
Opening Weekend – Avengers: Endgame
Can you tell from its opening weekend how much the new movie, Avengers: Endgame, might earn in theaters?  This activity can be used anytime and is especially timely when there ...
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Opening Weekend - Avengers: Endgame
Patriots Day, Tax Day, and the Boston Marathon
So much is happening on April 15th this year! As families and the news talk about filing taxes on time, it might be an excellent time to deal with where that ...
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Patriots Day, Tax Day, and the Boston Marathon
Greatest March Madness program
We are nearing the finale of this year's March Madness tournament. Which NCAA teams must have the best basketball programs since they consistently do well in this tournament? Based on ...
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Greatest March Madness program
Are baseball games getting longer?
March 28th was opening day for this year's Major League Baseball season. It's a good time for some Major League Baseball math! In this activity students think about how major ...
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Are baseball games getting longer?
Big bucks
Mike Trout just signed a huge contract.  He'll be receiving $430 million dollars playing for 12 years with the Los Angeles Angels.  Let's take a look at some of the ...
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Big bucks
Does seeding really matter?
March Madness is the big 68 team college basketball tournament that takes over our TV viewing during the weekends of March. School and office friends are filling out brackets.  Engage ...
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Does seeding really matter?
The perfect bracket
Sunday, March 17th, is Selection Sunday for the Men's March Madness Tournament.  Monday night, March 18th is the selection night for the Women's March Madness Tournament.  The March Madness bracket ...
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The perfect bracket
Huge Key Lime pie
More for π Day!  On a cold and snowy day in Boston, two chefs created a huge Key Lime pie to remind the frozen people of the Northeast how ...
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Huge Key Lime pie
How big of a crepe can you make?
At Costco you can buy this huge tub of nutella.  It contains nearly 7 pounds of chocolaty-hazelnut spread. We use nutella to make banana/nutella crepes.  How long will that tub ...
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How big of a crepe can you make?
Value of a lifetime of Whoppers?
Locked in a smelly bathroom for one hour and then promised a lifetime of Whopper meals, an Oregon man sued BK when the manager's promise was withdrawn. How much money ...
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Value of a lifetime of Whoppers?
Which car should I buy?
Presidents Day is also about car sales. Should you buy a hybrid car or an electric car to save money?  What about the environmental considerations? Students create equations for finding ...
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Which car should I buy?
President’s Pay for Presidents’ Day
The President's have only received a pay increase 5 times in the United States. Picture it with a step graph. Calculate the actual salary using the CPI (Consumer Price Index) ...
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President's Pay for Presidents' Day
Choosing the NBA All-Star team
Updated for 2020!     The weekend of February 14 - 16 will be all about the NBA All-Stars. The two team captains are Giannis Antetokounmpo (Milwaukee Bucks) and LeBron James (Los Angeles ...
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Choosing the NBA All-Star team
Huge diamond found in Canada
552-carat diamond found in Diavik Mine, Northwest Territories, Canada Can you tell just how big this gem is?  Do you know how big a carat is? What would this look ...
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Huge diamond found in Canada
New Horizons spacecraft just flew by a really distant asteroid
On January 1st, 2019, the New Horizons spacecraft passed close to Ultima Thule, a Kuiper Belt object that's a billion miles beyond Pluto. That milestone marked the most distant celestial ...
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New Horizons spacecraft just flew by a really distant asteroid
Digesting a Lego head
If you know the mean of data what does that tell you about the data's total ... with poop and a Lego head ...
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Digesting a Lego head
Moneymaking holiday movies
Which movie do you think is the highest grossing holiday movie of all time? Students analyze holiday movie data. They will round, estimate, compare, calculate percent increase, consider the most ...
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Moneymaking holiday movies
Weird wing prices
Clicking on this image will show it larger in a new window. Danny's Wok in Philadelphia has a huge price list for ordering their famous chicken wings. Why did they ...
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Weird wing prices
Fine
TJ Watt was fined for roughing the passer.  Check out the tweet from Darren Rovell and engage your students in a familiar context for a classic percent problem - solving ...
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Fine
Consumer spending 2018
Consumers in the U.S. spend a lot of money. In this activity we look at historical data to see if there are any patterns in our spending.  How does our ...
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Consumer spending 2018
How huge could this mid-term election be?
Will November 6th election bring record number of voters to the polls? Students get a chance to understand what the usual percentage of voters is, look for trends and central ...
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How huge could this mid-term election be?
Extra point or 2-point conversion – Updated
 In 2015 the NFL changed the extra point kick distance to 33 yards and now teams have a tough decision to make, go for one or two points?  The ...
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Extra point or 2-point conversion - Updated
Columbus’s progression across the Atlantic
The Niña Columbus Day is a bit of an enigma that used to be celebrated throughout all of the Americas. Indigenous people were not treated well by the European colonization ...
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Columbus's progression across the Atlantic
Hurricanes, Typhoons, and Cyclones – ACE measurement
You have probably heard about major storms hitting Hawaii and the Carolinas.  Now is the season for increased cyclonic activity around the globe. How is it measured? Are storms becoming ...
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Hurricanes, Typhoons, and Cyclones - ACE measurement
Monarchs are flying south again
In mid-August and early September, the Monarch butterflies begin their annual migration south to more moderate climates to hibernate and overwinter.  It is an incredibly long migration and fascinating to ...
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Monarchs are flying south again
Justin Verlander’s hugely expensive lunch
Check out Justin Verlander's luncheon bill. What do you notice? What do you wonder? Students might be interested in or impressed by what a $1 million dollar charge does to ...
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Justin Verlander's hugely expensive lunch
But it didn’t sell?
 A&W offered a bigger, tastier burger but it didn't succeed in grabbing customers away from the hugely popular McDonald's quarter pounder. The A&W third pounder hamburger cost the same ...
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But it didn't sell?
Madden Glitch
It's the talk of the town. Madden video games have had some issues. Check this one out. Here's one that has Le'Veon Bell seeming to fly from the Bear's goal ...
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Madden Glitch
That’s a big tomato!
These Aussi tomatoes (the tomato on the left of all of the tomatoes) are huge.  How much do you guess one weighs? Can you figure it out? ...
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That's a big tomato!
“Wild Boars” soccer team rescue – Incredible
Can you imagine being stuck in the dark for such a long time?  How do all of the numbers play out? In this activity, students get a chance to talk ...
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"Wild Boars" soccer team rescue - Incredible
Now that LeBron James is becoming an L. A. Laker, will this company go broke?
Fanatics is an online sportswear retailer that has promised to accept jersey returns if your chosen player makes a team switch. In this activity student try to calculate how much ...
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Now that LeBron James is becoming an L. A. Laker, will this company go broke?
Encouraging bats might be better than using bug repellant
Bats eat mosquitoes ... lots of mosquitoes. Students compare a bat's weight to how much he can consume in one night.  They calculate how much they would need to eat ...
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Encouraging bats might be better than using bug repellant
What are the odds that Justify can win the Triple Crown?
Justify has won the Triple Crown.  He's the 13th horse to ever win all three races ... Kentucky Derby, Preakness, and the Belmont Stakes.  Amazing! How do you calculate compound ...
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What are the odds that <em>Justify</em> can win the Triple Crown?
For Three!
The NBA court has a 3-point line that separates how many points a player will earn for his team by making a basket from outside of that line.  Here's a ...
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For Three!
More eruptions on Hawai’i’s Kilauea
The Volcano Kilauea is continuing to spew molten lava and ash on the island of Hawai'i. This volcano is on the tip of the southern most Hawaiian Island.  Is that ...
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More eruptions on Hawai'i's Kilauea
Triple Crown hopeful at the Preakness Stakes
Justify won the Preakness - Can he win the Triple Crown? This past Saturday was the running of the Preakness Stakes Thoroughbred horse race in Baltimore, Maryland.  The Preakness is ...
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Triple Crown hopeful at the Preakness Stakes
Can I get your order just right?
You can order a ton of combos at Chipotle.  They advertise that there are 65,000 ways to order their meals.  Do you think that is correct? ...
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Can I get your order just right?
Boeing 787 draws an airplane over the United States
Recently, pilots of a Boeing 787 testing a new set of Rolls Royce engines, fulfilled their FAA required long-distance endurance requirement in an unusual way. The Boeing pilots decided to have ...
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Boeing 787 draws an airplane over the United States
Where should I drop my puck?
Act 1 - Give students time to view the game board above or give them our one-page activity. The above picture is larger when you click on it. Ask students ...
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Where should I drop my puck?
How fast can you run?
In preparation for the Boston Marathon, we thought that an analysis of running speeds might be appropriate.Have you heard of The Six Million Dollar Man?  He was the character in ...
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How fast can you run?
Hexadecimal coloring
Probably most of us have heard of and even used hexadecimal color codes. Don't you wonder why their number descriptions really make sense? In this activity we first ask students ...
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Hexadecimal coloring
Saint Patrick’s Day
Green, green river - They're doing it again. In Chicago, the local plumbers union "dye" the Chicago River emerald green.  Students learn the meaning of PPM (parts per million) and  attempt ...
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Saint Patrick's Day
Winter Olympics, PyeongChang: February 9 – 25
Scoring Ski jumping - The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges. Let your students learn more about the ...
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Winter Olympics, PyeongChang: February 9 - 25
How many wings did the Bills send the Bengals?
On December 31st, 2017, the Cincinnati Bengals beat the Baltimore Ravens. The Ravens' loss clinched the Buffalo Bills' rise to the AFC playoffs.  The Bills sent a thank-you gift of ...
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How many wings did the Bills send the Bengals?
Will Phil see his shadow this year?
Updated for 2020! February 2nd, Punxsutawney Phil will again, with great ceremony, come out of his burrow and look for his shadow. There's nothing like a cute animal picture to ...
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Will Phil see his shadow this year?
Cost of hosting Olympic games
Clicking on this image will show it larger in a new window. Hosting the Olympics sure does cost a lot. Why is that? How much money is $5 billion dollars? ...
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Cost of hosting Olympic games
The Olympic Torch trip in South Korea
On October 24, 2017, the Olympic flame was captured on Mount Olympus, Greece. (Lighting the Olympic Torch). That flame lit one of this year's Olympic Torches and the Torch relay ...
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The Olympic Torch trip in South Korea
Is this promo a good deal?
McDonald's was offering an "Arch Card" special deal. If you bought an Arch Card for $100 you were entitled to a free BigMac or EggMcMuffin every week for a full ...
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Is this promo a good deal?
Cold and Snowy activities
How much snow is that? - How many inches of snow produced that pile?  How much snow in volume is on top of the car?  How much could that snow weigh? Approximation, ...
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Cold and Snowy activities
Wind chill
When the weather person talks about wind chill did you ever wonder how they calculate that number?  In this activity students use the National Weather System chart to gauge wind ...
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Wind chill
Earth’s perihelion
On Wednesday, January 3rd, 2018, Earth will be as close as it gets to the Sun during its orbit. Shouldn't that make this the warmest time of the year? In ...
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Earth's perihelion
Hands of “Support”
Lorenzo Quinn, an Italian sculptor, created and temporarily installed this piece of art entitled "Support" in Venice.  Quinn used his own children's hands to design this piece.  His intention was ...
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Hands of "Support"
Holiday candy sales
Which holidays are associated with candy? For which of those holidays is the most candy sold? What percents of annual candy sales does each holiday contribute? Consider using some independent think ...
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Holiday candy sales
Population Clock
Click here to see the Population Clock bigger in a new window. How in the world does this clock conclude that there is a net gain in the United States ...
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Population Clock
Water saving toilets
How much water is used? How much water could be saved? The activity: PottyTime-SavingWater.pdf CCSS: 5.MD.1, 5.NBT.7, 6.RP.3, 7.RP.3, MP2 ...
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Water saving toilets
Immigration numbers
Here's an opportunity to work with calculating percents and the percent changes in the U.S. immigrant population. Students can reflect on what those changes demonstrate. Start your class with this ...
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Immigration numbers
Uh oh! Am I going to run out of data?
Let your students consider the graphic first individually and then in groups of your choosing before handing out the activity sheet. This might be an excellent beginnng-of-the-year, get-to-know-each-other task!  The ...
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Uh oh!  Am I going to run out of data?
Should I get the Big One?
 Let your students decide if the BIG one is a fair deal.  Click on the pic to enlarge and post on the wall.  Have kids pick a sandwich.  Which size ...
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Should I get the Big One?
Will the new iPhone sales be huge?
Apple just announced their new, 10th anniversary, iPhones, the iPhone 8 and the iPhone X.  These phones will soon be in stores, the iPhone 8 comes out on September 22, ...
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Will the new iPhone sales be huge?
How much does the biggest Lego set ever cost?
Note: This is a remake of our 2014 "How Much Does a Lego Cost" activity How much could the Lego Millennium Falcon cost? Student first make a guess and then ...
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How much does the biggest Lego set ever cost?
Total solar eclipse – apparent sizes
Where will the eclipse be seen?  What if you are not in the path of totality?  Total solar eclipse?  What is apparent size?  How can the moon seem to cover ...
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Total solar eclipse - apparent sizes
Willy Makit and Betty Wont
I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while.  Finally!  I see a bathroom sign!  Wait ...
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Willy Makit and Betty Wont
Giant iceberg breaks off from Antarctica
The crack in Antarctica's Larson C ice shelf has been growing for years.  Has the speed of the rift's growth stayed about the same? increased? decreased?  Do the math and ...
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Giant iceberg breaks off from Antarctica
Drinks at the Fair
At the amusement park, our friend, Jason, was intrigued with this sign for drink deals. He and his family come often to the park and, during the summer when it ...
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Drinks at the Fair
Tick time and Lyme disease
With the start of summer and wonderful outdoor activities, it might be good to examine the growth of Lyme disease occurrences in the United States.  The Center for Disease Control ...
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Deer tick
New Pirates of the Caribbean – How profitable?
The fifth Pirates of the Caribbean movie opened on Friday, May 26th. Your students might be looking forward to seeing this movie and motivated to understand the investment expenses and profit ...
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New Pirates of the Caribbean - How profitable?
Fidget spinners – fad or lasting trend?
Do you recognize what these are? Are you noticing students with these gadgets? Is this a forever toy or just the newest thing? Can you tell by looking at trend ...
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Fidget spinners - fad or lasting trend?
Proposed southern border wall
You have probably heard about the proposed border wall that may go up along the U.S./Mexico border.  How much wall needs to be built? How much will that cost? What ...
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Proposed southern border wall
Measuring sea level
What does this gizmo do? We've given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be ...
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Measuring sea level
Giant iceberg
Over the past Easter weekend this giant iceberg drifted passed Ferryland, Newfoundland.  Its hard to tell how large it actually is but it looks huge.  Use some of the data ...
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Giant iceberg
April’s calf was born!
At about 10:00 am, April 15th, April's calf was born.  Everyone will be talking about it and smiling constantly. Here's some fun math stuff to bring with you for Holiday ...
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April's calf was born!
Patriots’ Day
In Massachusetts, Monday April 15th, 2019, will be a holiday from school and work.  We celebrate Patriots' Day on the 3rd Monday in April to commemorate the beginning of the ...
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Patriots' Day
What does 95% confidence in the poll results mean?
There have been a lot of polls about who will win the Presidential election. I get so confused when polling results are reported.  What is a 95% confidence measure? What's ...
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What does 95% confidence in the poll results mean?
New baby giraffe
Willow weighed 125 pounds at birth and was 6 feet 1 inch tall.  She will grow to her adult height of around 14 feet tall in only four years! How ...
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New baby giraffe
Super Bowl cheesy pretzel poppers
... A little more delicious work for the Super Bowl.  Students follow a recipe that involves "cutting the cheese" block, figuring how many servings, estimating how many times they need to ...
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Super Bowl cheesy pretzel poppers
Home team advantage?
Even before your students check out the graphic below, ask them whether they think a game played at home gives their team an advantage.  If so, how much of an ...
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Home team advantage?
It’s latke time
In my family it is traditional to eat latkes (Yiddish for potato pancakes) at this time of year.  They are fried in a lot of oil and salted generously.  My ...
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It's latke time
Pick-a-brick wall at the Lego store
There are walls at the Lego stores that are filled with individual Lego parts.  You can fill a bucket and pick out exactly what you need. Use this PowerPoint activity ...
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Pick-a-brick wall at the Lego store
$10,000 a week or $10 million all at once?
Check out the video below: Would you rather have $10,000 a week or $10 million all at once? What kinds of things do we need to think about or factor ...
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$10,000 a week or $10 million all at once?
Fantastic Beasts – What did it cost to make?
In 2001, J.K.Rowling (the author of the Harry Potter series) wrote Fantastic Beasts and Where to Find Them. The movie of this book opened on November 18th, 2016.  This is the ...
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Fantastic Beasts - What did it cost to make?
Shrinking Toblerone
They changed it.  That is so not fair ... or is it? You can check out a video news story on the delicious shrinking Toblerone bar here. Two sizes of ...
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Shrinking Toblerone
Are these really 70% off?
We ran into this sale online. Is that advertisement correct?  Do they just want us to believe their math and not question what is really 70% off?  Is everything or ...
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Are these really 70% off?
When organizing data is confusing? Venn diagrams for Rio?
There must be a lot of Olympians who haven't brought home medals.  Probably most of the athletes that went to Rio didn't win anything.  We couldn't find any data about this.  ...
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When organizing data is confusing? Venn diagrams for Rio?
Which of the Olympic sports do you want to watch?
Develop some understanding of the many Olympic sports and their various judging requirements.  Should the Olympics only include performances that can be objectively measured? ...
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Which of the Olympic sports do you want to watch?
Pokémon GO! I should have invested
Pokémon GO is all the rage.  News reports show people glued to their smart phones as they travel to nearby landmarks where virtual critters appear and need to be caught ...
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Pokémon GO!  I should have invested
Which is most expensive?
Who knew that creams for your face could be so expensive!  I'm going to have to rethink what to buy for my mom.  Which of these high priced cremes is ...
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Which is most expensive?
Games with dice
Time to let students become naturally curious about probability.  In this activity students work in teams to record the frequency of rolled dice combinations. They observe the difference between experimental ...
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Games with dice
Flag Art
A little ratio art might be a fun way to get ready for the upcoming Memorial Day holiday.  In this activity students measure; create whole number ratios for the official ...
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Flag Art
Pixar versus DreamWorks
Animated films are a billion dollar industry.  The two biggest producers of animated films are DreamWorks and Pixar.  The two have been going head to head for more than ten ...
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Pixar versus DreamWorks
Will college be affordable?
Whether you or one of your siblings is going off to college next fall, it is useful to know how much colleges cost.  Not going to college this fall? No ...
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Will college be affordable?
The Boston Marathon
Monday, April 15, 2019 Patriot's Day, is the next running of the Boston Marathon. What do you know about marathons? What do you know about the Boston Marathon? How long ...
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The Boston Marathon
David Price, big bucks per …
David Price, a 30-year old pitcher from Toronto's Blue Jays, was hired with a 7 year contract to be the Red Sox's new ace pitcher for $217 million dollars.  That ...
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David Price, big bucks per ...
Which is the best deal?
How do you calculate and justify which deal is a better savings?  By dollars saved?  By percent saved? By some other measure? The activity: WhichDealOffersMostValue.pdf CCSS: 4.OA, 4.NBT, 4.MD.A, 5.NBT, 6.RP, ...
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Which is the best deal?
Giant chocolate bunnies
Topper Chocolate Easter Bunny from Dilettante Chocolates. What can you deduce about the bunnies (pictured in this activity) from the descriptions given ... solid? hollow? cost per pound? cost per height? ...
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Giant chocolate bunnies
Data on the National Mall sites
Activity #1 - Look at the individuals who are memorialized on the National Mall and using fractions or percents decide what you can notice about those we honor. The Activity: MLKandMonuments.pdf ...
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Data on the National Mall sites
Timelines for the life and work of Martin Luther King
Monday will be the holiday celebrating the life and work of Martin Luther King, Jr.  Help students learn about his work towards racial equality as they create one or two ...
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Timelines for the life and work of Martin Luther King
How Many Pennies did Otha Save?
Otha Anders used picking up pennies as a way to remember to pray.  In this 3-act activity we try to estimate how much he actually collected and stored in 5 ...
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How Many Pennies did Otha Save?
Mark Zuckerberg and Priscilla Chan to give away 99% of their shares of Facebook
That sounds like an awful lot of their Facebook shares.  They want to help create a better world for their daughter, Max. I wonder if they will have enough left ...
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Mark Zuckerberg and Priscilla Chan to give away 99% of their shares of Facebook
Glowing rectangles
People spend lots of time staring at their screens (glowing rectangles).  Kids spend hours each day using their cell phones, computers, tablets, television and more.  Use that interest to motivate ...
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Glowing rectangles
Free Pizza for a Whole Stadium?
Act One: Clemson Football Head Coach, Dabo Swinney, offered an amazing "poll party" with pizza for everyone if Clemson makes the College Football Playoffs in the last poll of the ...
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Free Pizza for a Whole Stadium?
What’s your favorite sport?
What is your favorite sport?  Wait, do I mean your favorite sport to play or your favorite sport to watch? Does it matter? Are your favorite to-watch sport and your ...
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What's your favorite sport?
Oreo Stuffiness
There is yet another Oreo... This activity builds off the work that Dan Anderson's math class revealed about Original Oreos and Double Stuff Oreos. Students begin by working with the ...
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Oreo Stuffiness
How much can my DVR record?
How many hours of HD video can my DVR strore? How about SD video? I love my DVR.  I can record my shows and movies and watch them whenever I ...
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How much can my DVR record?
Let’s get rich
There has been a lot of craziness in the stock market lately, but people who have invested their money in the markets could have made a lot of money in ...
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Let's get rich
How Much is a Tweet Worth?
These days it seems everyone is on social media. Are you? Famous athletes and entertainers are on social media and they can make a lot of money.  In this activity students ...
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How Much is a Tweet Worth?
New Horizons spacecraft observes Pluto
The New Horizon space probe was launched from Cape Canaveral on January 19, 2006. It has now come close to Pluto and has sent its first close-up images back to Earth ...
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New Horizons spacecraft observes Pluto
Jock tax
Great professional athletes make a lot of money. In November slugger Giancarlo Stanton signed a thirteen year contract for over $325 million with the Miami Marlins!  Did you know that professional ...
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Jock tax
What’s with the plovers?
Cute little birds.  Piping plovers are presently nesting on beaches along the Atlantic coast. Consequently beaches are often roped-off or closed to protect their nests and chicks.  Is this conservation ...
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What's with the plovers?
Big Burger
In honor of International Hamburger Day (May 28, 2015), it's time to treat your students to ratios, proportions, fractions and BIG BURGERS! In this activity students explore the ratio of ...
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Big Burger
Tornadoes
Tornadoes have devastated the Great Plains of the U.S. in the last few days.  Oklahoma, Texas, Nebraska, Arkansas and Kansas have been brutally hit with these powerful events. Involve your students ...
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Tornadoes
How Many Donuts is That?
Act One:  Take a look at the picture.  What is the first question that comes to mind? How many donuts is that?  What information would be useful? Act Two: See ...
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How Many Donuts is That?
Growth of Facebook update
Facebook is so accepted in our world today that it is even part of nightly news broadcasts as people are noted for receiving huge numbers of likes in appreciation or ...
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Growth of Facebook update
California water measurements – chains, links, and furlongs
Help your students understand what they are reading or hearing about the California drought.  Terms like acre-feet, chains, and furlongs are often used to describe the volume of the reservoirs ...
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California water measurements - chains, links, and furlongs
McDonalds moves towards antibiotic-free chicken
Recently McDonald's announced that by 2016 they will use only chicken raised without the antibiotics that are used in human medicine.  McDonald's plans to join Chick-fil-A, Panera Bread, Chiptotle, and ...
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McDonalds moves towards antibiotic-free chicken
Movie tickets over time
How Much Will Movie Tickets Cost in the Future? - Updated! In this investigation, Brian looks at the changes in movie ticket prices over the last 38 years. Using his scatter plot ...
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Movie tickets over time
Chili Con Queso
Act 1: Take a look at the promo at Moe's.  What is the first question that comes to mind? How much does a 42-gallon jug of Chili Con Queso cost?  How ...
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Chili Con Queso
Which Sweet Hearts are the Best Deal?
 I have been doing a little shopping for Sweet Heart Candies. I came across these three deals online.  Which should I select?  In this activity students determine which package of ...
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Which Sweet Hearts are the Best Deal?
Do you have text neck?
What does looking down at your electronic device do to your breathing? To your muscles? To your spine curvature? To your pain?  It can lead to a condition called Text ...
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Do you have text neck?
Losing team in the playoffs, 2015
Hey, the playoffs are about to begin.  The best teams from the leagues compete to determine the champion. Must be some really great teams! But wait, the 2014-15 Carolina Panthers made ...
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Losing team in the playoffs, 2015
How much does a Lego cost?
This is a three act task, with an activity guide.  Show students the act one video.  What questions do they have?  How much could the Star Wars kit cost?  Follow ...
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How much does a Lego cost?
Rush or Pass?
With only 16 games in an NFL regular season every game and every play is crucial.  Teams need to win each week or jobs are on the line. To win ...
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Rush or Pass?
Delicious pumpkin pie
I make the best, best, really best pie. Every year more and more people come to our house on Thanksgiving morning for my famous pumpkin pie and a hike in ...
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Delicious pumpkin pie
How much should you spend on this sale?
This activity can be used in a large range of grade levels.  Your class can work on percents, linear equations or piecewise functions. Act One: We missed the semi-annual sale but ...
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How much should you spend on this sale?
MAVEN arrives at Mars
Recently the MAVEN spacecraft (Mars Atmosphere and Volatile Evolution Mission) that was launched on November  18, 2013 reached Mars and attained an elongated orbit around the planet.  How does someone ...
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MAVEN arrives at Mars
Ebola updated
Ebola has continued to gain strength and devastate regions of West Africa.  WHO (World Health Organization) updates their data frequently and the progress and lack of control of the epidemic ...
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Ebola updated
Doubling your money
My friend and I were arguing about how long it would take me to double my investment amounts.  How will your students figure this out?  Are there any tricks?  Explore ...
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Doubling your money
The spread of Ebola in West Africa
Ebola is a deadly virus that has reappeared in Western Africa in an outbreak that began in February of this year.  We've supplied you with weekly statistics on the progression ...
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The spread of Ebola in West Africa
Cheesy Goldfish crackers
In this activity students do a little comparison shopping as they determine which size Goldfish product is the best deal.  Students are introduced to the ratio table as a tool for determining equivalent ratios ...
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Cheesy Goldfish crackers
Typhoon Neoguri approaching Japan
A powerful typhoon has just passed Okinawa, Japan's southern-most prefecture, and is expected to continue to be very powerful.  What is a typhoon?  How are they scaled? In this activity students ...
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Typhoon Neoguri approaching Japan
The growth of Godzilla
Image from Kris Holt: http://www.policymic.com/articles/76357/the-scary-way-godzilla-has-evolved-through-the-years-in-one-chart The new Godzilla movie is out at theaters.  His first appearance was in 1954 when he was created in Japan and crushed Tokyo.  He appears to ...
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The growth of Godzilla
Cost of light bulbs – updated!
There's a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized. Let your ...
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Cost of light bulbs - updated!
Green, green river
During the St. Patrick's Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green. Students learn what PPM (parts per million) means and  attempt to figure ...
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Green, green river
Olympic reflection
After the games Thomas Ulsrud, Norwegian curler;  Eun-Ryung Sung, South Korean single luge  Dachhiri-Sherpa, Nepalese cross-country;  Jason Brown, U.S.figure skating The 2014 Winter Olympics have concluded.  Which country had the ...
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Olympic reflection
Where have all the flowers … come from?
Thursday, February 14, 2019, is Valentine's Day.  Start the "love hoopla" with this graphic on where all of the flowers come from.  This is part of the graphic from http://visual.ly/valentines-day-facts What ...
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Where have all the flowers ... come from?
4th down
It's 4th down.  Should you go for it?  Punt?  Kick a field goal?  Instead of using your gut, use research, data and math to make the right call ... The graph ...
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4th down
Is one roll enough?
Students can use the man or the basket as a reference as they try to approximate the size of these gifts and how much wrapping paper will actually be needed ...
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Is one roll enough?
How much should a World Series commercial cost?
Click on this picture to see it larger in a new window. We all know that a Super Bowl commercial costs a ton of money.  What about a World Series ...
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How much should a World Series commercial cost?
Nobel prize in physics 2013
François Englert and Peter W. Higgs François Englert and Peter W. Higgs were jointly awarded the Nobel Prize in Physics 2013 for the theory of how particles acquire mass. In 1964, ...
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Nobel prize in physics 2013
Do teams that spend a lot win a lot?
Updated!   First ask students to look at the table below.  What do you notice?  What does it make you wonder? ...
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Do teams that spend a lot win a lot?
How much caffeine?
We stumbled upon this interesting caffeine infographic at visual.ly. Wonderings? How many McDonalds coffees do I need to get the same amount of caffeine that I would get in a Starbucks ...
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How much caffeine?
Bits, bytes, and nibbles
Clicking on the image will show it larger. I'm not very good at understanding how large my device capacities are and how big the files that I want to download ...
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Bits, bytes, and nibbles
Raising the bar
Recovery of the treasure from the 1941 sinking of the S.S. Gairsoppa was recently completed and a huge amount of silver was brought up from the ocean floor.  Let your students ...
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Raising the bar
Season 12, American Idol
Let your student study American Idol viewing figures over the last eleven seasons. Students compare historical season premier and season finale audience size in several different ways to determine which ...
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Season 12, American Idol
Lifespan of a meme, the Harlem Shake
Five friends who skateboard and video tape made up a strange dance one afternoon and filmed it on February 2nd.  Now the whole world knows them and their dance ...
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Lifespan of a meme, the Harlem Shake
Cruising
There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage their resources ...
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Cruising
Voyager on the edge
The two Voyager space probes are in the news recently as they approach the edge of our solar system.  Scientist can tell that the Voyager's environments are changing.  They are ...
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Voyager on the edge
Monopoly 2014
In the board game, Monopoly, does a property’s distance from GO correlate to its rent when you land on it ? Using Brian’s spread sheet (list of properties, distance from ...
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Monopoly 2014
Twinkies
Brian loves Twinkies and the news that Hostess is going out of business has upset him terribly.  He needs his Twinkies.  Twinkies last forever.  Right?  He's going to buy enough ...
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Twinkies
Starbucks, 2012
Time to give students some authentic math on a topic they will surely be interested in ... Starbucks.  We ask and answer a few questions in this activity. About how ...
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Starbucks, 2012
Olympic schedule
I found this graphic online that should help me figure out when to try to watch an Olympic event on any day.  The chart seems a little confusing.  Can your ...
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Olympic schedule
Legos
Act One: The world record for the tallest structure made of Legos was set in Seoul, South Korea.  Check out the pictures and video below: How much do you estimate that it ...
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Legos
Storm cleanup
This activity could be used as an introduction to trig ratios.  Students figure out the approximate length of the huge branch that I have to fell for safety and firewood ...
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Storm cleanup
Video game download
How long will it take me to download the video game? This can be done as a 3 Act Task.  To get started simply show the video and following picture ...
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Video game download
It sure is cold out … or is it?
Students ponder the relationship between place latitudes and average January temperatures while they try to discover a correlation. Is this a linear or near linear relationship? … averaging, missing data ...
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It sure is cold out ... or is it?
Linsanity
Jeremy Lin is the New York Knicks most startling player.  His story is exciting in that he graduated from Harvard in 2010 and was not immediately drafted into the NBA ...
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Linsanity
All Star Game 2012
The NBA All Star game is being held on February 26th.  Did you know that this was the third major professional sport all star game in the last month. The ...
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All Star Game 2012
The Euro and the international debt crisis
Lately the news is filled with talk of the Euro, US foreign debt, the fragility of European monetary systems, and the interdependence of all of these crisis. In this activity ...
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The Euro and the international debt crisis
Launch of the next ISS crew
If all goes well, the next crew of the International Space Station (the ISS) will launch on Sunday, Novemeber 13, 2011 from the  Baikonur Cosmodrome in Kazakhstan. Keep your student ...
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Launch of the next ISS crew
Approaching Seven Billion people
To see the present world population, go here.  http://www.worldometers.info/world-population/ During the Fall 2011 the 7 billionth human on earth was born. The counter mentioned above gives updated approximations of the ...
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Approaching Seven Billion people
Rapunzel
Disney's animated movie, Tangled, came out in 2010. We've shown students some of the Brothers Grimm's original fairy tale along with giving them a glimpse at the physics involved in ...
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Rapunzel