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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....
The 2026 Lunar New Year falls on Tuesday, February 17. In this updated activity, students will explore the unique naming system of the Lunar New Year, which combines...
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...
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...
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...
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...
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...
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....
Now that the holiday shopping season has begun, it's time to get the packages to your homes. Two big companies take care of a lot of that shipping....
In this activity, students will analyze U.S. holiday candy sales percentage data (updated) to calculate the approximate amount spent on candy for each holiday. Students are encouraged to...
🎈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...
Black Friday is the biggest shopping day of the year! In this activity, students get a sneak peek at early Black Friday deals to calculate savings (decimals &...