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...
Holidays and Annual Events
Genres
Grade
Holiday Candy Sales (2025)
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 work wi...
Labor Day 2025
In our usual Labor Day activity (updated for 2025), students will learn about the intended meaning of Labor Day and explore the patterns behind its historical dates. They will investigate and ju...
A Parametric Heart
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In this updated activity, students will explore parametric equations to graph a heart shape using sine and cosine functions. Begin with the starter activity to set the stage (o...
Mathematical Gift Wrapping
🎁🎁In this updated activity, students will use math to explore two methods of wrapping gifts, including the mathematical method demonstrated by S...
Candy Count: Which Bag Holds the Most Candy
🎃Leverage your students' Halloween enthusiasm with this activity, where they’ll calculate the volume of various trick-or-treat bags—ranging from rectangular prisms to spheres, cylinders, and con...
Ghostly Measurements
In this activity, students will explore how to design a ghost costume 👻👻 by reasoning through sheet dimensions, calculating the best fit for different heights, and interpreting ...
Mother's Day
Algebra
Number Sense
Geometry
Math and Social Studies
Math and Food
Holidays and Annual Events
Math and Art
Current events
Ratio and Proportion
3-act tasks
Data and probability
Funny
Wow factor
How much do we spend on Mother's Day - Use the Mother's Day event to engage your students in approximating, reasoning, and investigating as students estimate how mu...
Happy Pi Day
6 Activities for π day!
Click on the download pdf button at the bottom for the activities. For adventurer memebers, we have the...
A geodesic icosahedron, the Times Square New Year's eve ball
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...