Hoarding stopped!
A Danish market found an interesting way to limit hoarding of hand sanitizer.
How much are these costs in your currency?
What is the unit price on these bottles...
Ratio and Proportion
Genres
Grade
Which gasoline is the cheapest?
When Brian traveled to Crete last summer with his wife and son on an Archaeological dig, buying gasoline for his small rental car got him wondering again.
He was pretty g...
How many delegates does each state get to send to the Democratic Convention?
Texas gets to send a lot more delegates to the July National Democratic Convention than New Hampshire does. How do they figure out what each state's fair number of delegates ...
K-Pop and BTS, how much can they earn from Youtube and Spotify?
Bring a little K-pop music to your class with this activity.
Jason Kibbe, a terrific middle school math teacher in Chambersburg, PA, sent us an activity that he created for one of his stude...
How steep is this treadmill?
Photo from the Onion, America's Finest New Source. Women on Gym Treadmill Cranks Incline up to 90 Degrees
This is a very short activity designed to give students a more visual underst...
It's Girl Scout cookie time again!
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 (where a box...
Wanna work for Uber?
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 the best deal? Why? ...
Star Wars ... the story continues
The Rise of Skywalker will open on December 20, 2019. How much did it cost to make? How much will it gross? Is the Star Wars phenomena a guarantee for success? How would you c...
The Forever Roll
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? If this roll lasts for...
Operation Gratitude – Halloween candy buy back
Algebra
Number Sense
Math and Social Studies
Math and Food
Holidays and Annual Events
Ratio and Proportion
Data and probability
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 giving, and offering a goo...