National Donut Day (2 activities)
Friday, June 5th, is National Donut Day. We have 2 activities to support this silly holiday. How much have doughnuts changed? Students become familiar with the word "torus"...
Geometry
Genres
Grade
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...
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...
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...
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...
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 ...
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...
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...
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...