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See the updated activity here: https://yummymath.com/post/the-most-expensive-30-seconds/
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...
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?...
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...
It's Halloween and this is your neighborhood. How long will it take you to trick or treat at every house in your neighborhood? Possible conversation with students: How...
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...