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Sugary Record

Math and Food
How big is the world's largest cotton candy sculpture? 🍭 Ali Spagnola set out to break the Guinness World Record with a massive cotton candy sculpture. Kick ...

Starbucks Sales and Nutrition

Number Sense Math and Food Ratio and Proportion Data and probability
Kick off the activity with starter slides that spark curiosity by asking students if they recognize the Starbucks logo and how many locations they think are in the U.S. Then, engage them in estimating...

How much pee is in your pool (Updated)

Number Sense Geometry Math and Science Funny
How much pee is in your pool? 🏊🏊 After chlorination, it has been hard to measure the quantity of pollutants in pool water.  A Canadian chemist, Xing-Fa...

A Glass of Sweat

Algebra Number Sense Math and Social Studies Ratio and Proportion
What is this machine for?  Begin with the starter presentation slides to spark students' curiosity about the purpose of the machine. Then, engage them in the main activ...

It's almost summer now

Algebra Number Sense Geometry Math and Science Math and Food Ratio and Proportion Data and probability
   How much water do you have to drink?     In this activity student develop formulas for calculating their water needs, learn about the effects of too lit...

Happy National D🍩nut Day!

Math and Food Holidays and Annual Events
 We have 2 activities to support this silly, but awesome holiday -- National Donut Day (June 5th) :  How much have donuts changed?   Students become fam...

How much does America spend for Mother’s Day?

Number Sense Math and Social Studies Holidays and Annual Events 3-act tasks Data and probability
Updated in April 2026 with new data; see the answer key.How much do we spend on Mother's Day? Use the Mother's Day event to engage your students (as a class) in approximating, reasoning, and investiga...

Earth Day Actions for Our Planet (April 22)

Algebra Number Sense Geometry Math and Science
 We have 16 activities that you could use for Earth Day! April 22nd is Earth Day. Help your students become activists for our planet? We have 16 activities that...

A geodesic icosahedron, the Times Square New Year's eve ball

Geometry Math and Science Holidays and Annual Events Math and Art Current events
 Image by kjpargeter on Freepik It's a gorgeous ball, covered with Waterford Crystal triangles, shaped as a geodesic icosahedron.  Every New Year's Eve it descends in Times Square to ma...

Will I pay less if I buy more?

Algebra Number Sense Ratio and Proportion 3-act tasks Any time math
image designed by macrovector / Freepik This activity can be used in a large range of grade levels.  Your class can work on percents, ...
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