Showing 278 activities

Results

Pascal coloring and modular math
Pascal coloring and modular math

In this activity students have the opportunity to color as they investigate Pascal's triangle and the many useful patterns that it shows. The triangle is explored for patterns,...

Number Sense Geometry Grades 2–HS
Data remaining ... tricky
Data remaining ... tricky

I checked my data usage for the month. What do you notice and wonder (see the activity)? What could my data plan be? How much have I used?...

Algebra Number Sense Grades 7–HS
Which gasoline is the cheapest?
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...

Algebra Number Sense Grades 5–HS
How many delegates does each state get to send to the Democratic Convention?
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...

Number Sense Math and Social Studies Grades 5–HS
K-Pop and BTS, how much can they earn from Youtube and Spotify?
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...

Number Sense Math and Social Studies Grades 2–6
It's Girl Scout cookie time again!
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...

Algebra Number Sense Grades 4–6
Wanna work for Uber?
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...

Number Sense Math and Social Studies Grades 5–HS
Star Wars ...  the story continues
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...

Number Sense Ratio and Proportion Grades 3–HS
The Forever Roll
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?...

Algebra Number Sense Grades 4–HS
Eliud Kipchoge runs marathon in 1:59:40.2
Eliud Kipchoge runs marathon in 1:59:40.2

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...

Algebra Sports Grades 6–HS
Operation Gratitude – Halloween candy buy back
Operation Gratitude – Halloween candy buy back

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...

Algebra Number Sense Grades 4–6
Does it pay to get educated?
Does it pay to get educated?

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...

Number Sense Math and Social Studies Grades 4–7