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...
Stone Ice Storage
In this activity, students will estimate the volume of the Seokbinggo, a centuries-old stone structure, and compare it to the size of their home fridge. Through the activity, students will be gi...
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...
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...
DST ends November 5th, 2023 - strange happenings
In this activity students try to figure out how time settings will change as they move from place to place and in the serious weirdness of Arizona and the Navaho and Hopi nations. What variables...
Heating with wood - What's a cord?
Do you know what a cord of wood looks like? What size stack is that? What's a thrown stack? What's the dog's name that is standing in front of the wood? How long can I heat my house with that much fue...
Indigenous Peoples or Columbus Day
When Columbus landed in Guanahani (renamed San Salvador, Bahama Islands by Columbus), he began the European settlement of the New World. Guanahani was inhabited by the
Taíno people and...