Joe's Tiny New York
Joe Macken is a truck driver from upstate New York. Back in 2004, when he was 41, he went into his basement with some balsa wood and started carving a tiny version of New York City, one building at a ...
Number Sense
Genres
Grade
The Ultimate Key Lime Pie
On a cold and snowy day in Boston about ten years ago, two chefs created a huge Key Lime pie to remind the frozen people of the Northeast how tasty and warm the Keys of Florida are. In this upda...
Macy's Thanksgiving Parade (2025)
🎈Get excited for Thanksgiving with this updated Macy’s Thanksgiving Day Parade activity! Students explore this year's parade map to find the number of parade blocks, use the map’s scale to deter...
Someone ate my cake!
🍰In this updated activity, students analyze a photo of a partially eaten cake to figure out how much was taken, what fraction is left, and how much the culprit might owe based on the cake’s ...
Bye bye Antibiotic Chickens
🔔 Free Trial Alert!🐔Fast food chains like McDonald’s, Chick-fil-A, Panera Bread, Chipotle, and Whole Foods are moving toward removing antibiotics from the food we consume to help combat antibiotic-res...
The LEGO transit time
In this updated activity, students will explore the math behind an unusual study: how long it takes to pass a LEGO head through a body? They'll calculate time intervals, convert...
Ulmer Nest
🏠In this activity, students will dive into estimation and critical thinking as they explore ‘Ulmer Nest’. It’s essential to start with the starter slides, where student...
How much pee is in your pool (Updated)
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-Fang Li, has found a marker for...
It's almost summer now
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...
Earth Day Actions for Our Planet (April 22)
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...