Pi Day Activities
5 Activities for π day! What is π? The logic of finding the perimeters of inscribed and circumscribed polygons as the number of sides to the polygons increases. Good in...
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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...
Valentine's Day Activities (List)
Celebrate Valentine’s Day with our activities: Have a heart (Canstruction)Students use reasoning and approximation to analyze the number of cans of food contained in this one giant heart. ...
The Most Expensive 30 Seconds
This year, the 30-second Super Bowl ads will cost about 8 million dollars! Do you wonder how much one ad will cost next year? In 5 years? In 10 years? 🏈In this activity, students explore ho...
The huge costs behind the Olympics
Hosting the Olympic Games is extremely expensive. In this updated activity, students explore the cost of hosting the Olympics, what a cost overrun (percentage increase) means, and how actual Oly...
Groundhog Day
On Groundhog Day (February 2nd), Punxsutawney Phil will again, with great ceremony, come out of his burrow and look for his shadow. In this updated activity, students will explore the relative f...
Super Bowl Numerals
Super Bowl numbers are appearing again! As students start getting into the current Super Bowl hype, help them to understand the notation that the sports writers and advertisements are using. Intr...
2026
As the new year approaches (where did the time go!!?), our annual activity has students explore not-so-common number categories to investigate whether 2026 fits into any of these. What is a Hars...
How steep is this treadmill?
Every year, even older students still get mixed up about horizontal and vertical slopes. Students do understand “rise over run,” but when it comes to horizontal and vertical slopes, things...
Fantasy Football (2025)
We're at the midway point of the 2025 NFL season! What a great time to connect math to sports!🏈In this activity, students use real statistics from recent games to calculate fantasy football poin...