Check out our Christmas Tree. You need to buy lights for the tree. Without calculating, guess how many feet of lights you will need.What information do you need to better estimate the number of feet of lights that you need?…

# Algebra

These posts help students see patterns and relationships.

# $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 in when making this decision? If you had to advise…

# Black Friday, football, and giving

Construction This is a 3-act activity about an annual display of creativity, engineering, and design as artists contribute cans of food for the shelters and food banks of their city. Students analyze, look for patterns, discuss solutions, and finally quantify the number…

# Macy’s Thanksgiving day parade, 2016

As we get ready for next week’s holiday, students can study a map of the annual Macy’s Thanksgiving Day parade, describe, measure and hypothesize why this route was chosen and then calculate how long each band will be marching and…

# 3 winners on the Price is Right – what are the chances?

Act One: Show this clip of the recent Price is Right program. What questions do your students have? We were wondering what the chances are of 3 contestants in a row, each spinning $1.00, and earning $1,000 each. Act Two:…

# 4 Election activities

Is the system of having an Electoral College unfair? – Students consider how districting can effect the Electoral college vote. 6.RP, 7.RP How much will you make when you are President? – The President’s salary does not change from year to year.…

# Halloween tricks and treats – 13 activities

How many houses can you get to – It’s Halloween. Time to trick or treat. How long will it take you to get to all of these houses? This is a very open-ended task, counting, trick or treating strategies, distance and more.…

# How much will you make when you are president?

You can’t run for President now, but heck, 2036 is right around the corner. Being President of the United States will be quite an accomplishment and a ton of work. But, how is the pay? Does the job pay…

# Big Papi

Check out the video: What do you wonder? How many donuts make up this Big Papi tribute? What would be useful to help you figure this out? The following pictures that will open in new windows: Big Papi Sky View,…

# Columbus and navigation

The Niña Columbus Day is a bit of an enigma that used to be celebrated all through the Americas. Columbus’s mission and arrival are now thought to have not been a noble endeavor in the way that indigenous people were treated. Now,…

# 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 anything really 70% off?

# Steepness and fall hiking

Fall is a beautiful time of year for hiking. Many students will be walking in the woods and mountains to enjoy the colorful leaves and the cool weather outside. Let them combine what they are doing with their families and…

# Pascal’s Triangle coloring and Probability

Working with Pascal’s Triangle offers some interesting and varied mathematics. We love to color and the end results are prettier than most math homeworks. Here is the second of 3 activities using Pascal’s coloring. Pascal’s Triangle and Probability – This activity…

# Fall equinox

Thursday, September 22nd of this year will be the Autumnal Equinox. It is the time of year when the imaginary plane that might pass through the Earth’s Equator would also travel through the center of the Sun. At this auspicious…

# Another year of Never Ending Pasta

On September 15, 2016, Olive Garden again offered a $100 pass for never-ending pasta, bread sticks, salad and coca cola soft drinks. The 21,000 patrons who quickly (in less than a minute) bought all of the passes will be entitled…