Students look into a plant that doubles in height every month and work out a rule for its height at any point, then run that rule backwards to discover why a positive number raised to a negative...
The history of the Dairy Queen franchise began with this ad in Illinois in 1938: All the ice cream that you can eat for only 10 cents! We know that 10 cents was worth more in the past, but was it...
Gas prices are up, EVs are everywhere, and hybrid technology keeps improving!So which car is better? Which car would you/your family choose? Students compare the latest prices (updated) of a hyb...
In March 2016, Lee Se-dol, one of the world's best Go players, and Google's artificial intelligence program "AlphaGo" had their first match. (Watch the incredible Documentary) Exactly 10 years la...
Animated films are a billion-dollar industry. The two biggest producers of animated films are DreamWorks and Pixar. The two have been going head-to-head for more than ten years now. ...
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...
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. ...
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...
College costs keep rising, and it can be hard for students to grasp just how much four years of school might add up to. This updated activity gives students real data and guides them to explore ...
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...