Activity Library

John Urschel is a young man with several seemingly disparate characteristics and talents. He is an athlete and a mathematician and he is a black man and a...

What's your guess? How fast are the number of daylight hours changing each day? Are the changes dramatic or subtle? Students make guesses; compute how long, on average,...

There's a new way to earn rewards at many grocery stores. For every dollar that you spend, you accumulate points. Then there are special rewards where you earn...

Wow! Look at that score! There were some scoreboard malfunctions in this December 15, 2020, pre-season game. What might have been the final score if this game progressed...

Note: This is a remake of our 2014 and 2017 activities " How Much Does a Lego Cost? ". How much could the Roman Colossem Lego set cost...

 This puzzle is gorgeous and HUGE! Ravensburger says that if you spent 2 hours every day putting this puzzle together it would take you a year to...

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...

Show your students this really cute segment comparing how the Electoral College functions in our elections to what students think is fair and just. From the New York...

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...

In this short activity, students reason and calculate what is left of these chocolate bars. The bars are the same size but are molded into different numbers of...

How much food do you need to carry to hike the Appalacian Trail? The AT is a hiking trail that begins in Georgia and ends on Mount Katadin,...

The U.S. Postal Service has been in the news lately. Does it seem like your mail takes longer to reach where you have sent it now? Do you...