Activity Library

That's a big roll of toilet paper! Why would anyone need such a big roll of toilet paper? How does it compare to Charmin's other toilet paper products?...

Should I oven bake it, deep fry it or barbecue and smoke it? When do I have to wake up to begin preparations? How long will the cooking...

Egad! There must be a million ways to craft one of these burger! How many ways do you think that there are? Act I - Study the menu...

Eliud Kipchoge breaks 2 hour marathon barrier. On October 12 th 2019, Eliud Kipchoge ran a marathon in Vienna in under 2 hours. He has now broken a...

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...

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...

The world record for the largest cup of coffee was recently set (see picture above). In this activity students explore scale, similar figures, volume and measurement as they...

This activity is currently being updated…stay tuned! (May 2026) Why should students do well in school, graduate high school, or go on to college? In this activity median...

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...

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...

Image by Twitter user @pjmdoll. Math doesn't usually create a buzz on Twitter. This past week this post did just that. People argued online about whether the answer...

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...