How have record marathon runs changed through the years? Will those record times keep being broken? Does the data help you predict?
Eliud Kipchoge runs marathon in 1:59:40.2
Tag: MP4
Ghost Whisperer
As the Halloween season begins, let your students play a spooky game. How does this work? Students can play this game online at Ghost Whisperer Crystal Ball and then Figure out why it works. Construct viable arguments Critique the work of others…
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 and compare their predictions to their actual haul using measurement and percent error.
Fall Equinox, 2019
Monday, September 23, 2019 at 7:50 UTC (which is the same as 3:50 am EST), will be the Autumnal Equinox. It is the time of year when the imaginary plane that passes through the Earth’s Equator would also travel through the…
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 the meaning and repercussions…
How does the pay for women’s soccer compare to that of men’s?
All soccer players on a team aren’t paid the same. The best players are paid more than the simply great players. And in Women’s soccer those same differences exist but at a smaller income scale. In this activity we examine…
Earth Day – 12 possible activities
Monday, April 22nd is Earth Day – There is so much to bring to your classroom to support recycling, conserving resources, studying climate change and protecting our planet. Have you seen more Monarch butterflies lately? – Students read charts, do a little research, and make observations…
How hard is it to find a 4-leaf clover? + more Saint Patrick’s Day activities
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 4-leafed clover? How hard do you have to look? What size area of clover must you examine to find one? + 2 more Saint Patrick’s Day activities
V-o-r-t-e-x
How many lights should I buy for my tree?
Check out our Christmas Tree. We 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…
Shipping Crunch
Now that the shopping season has begun, it’s time to get the packages to your homes. Two big companies take care of a lot of that shipping. How do they manage that? The mechanisms for these two shipping giants are…
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 write the prices this way? Do you see a pattern?…
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 for the “whole.” JUST IN: @_TJWatt lost 38% of his…
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 tendencies, and make predictions about this year’s voter turnout. The…
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 more intense? Did you know there is a formula for…