Activity Library

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 graphic...

I received two ads for working for Uber. What do you notice and wonder? Why are the ads different? Is it the same rate? If not which is...

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...

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...

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...

If you have a set of cubes for your classroom, this would make a great group hands-on project. Its an old puzzle but the activity deserves a revisit....

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...

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...

Can you see the many spirals in this design? Students calculate the size of each increasing round of squares and consider what sort of spirals these must be....