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...
Any time math
Genres
Grade
Lunar New Year 2026
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 the Heavenly Stems and Earth...
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...
Holiday Shipping
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. How do they manage that? Did you ever wonder h...
Fantasy Football (2025)
We're at the midway point of the 2025 NFL season! What a great time to connect math to sports!🏈In this activity, students use real statistics from recent games to calculate fantasy football poin...
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...
Leslie's Yummy Pumpkin Pie
Every year more and more people come to our house on Thanksgiving morning for my (Leslie's)famous pumpkin pie and a hike in the nearby woods. This year 23 people have already accepted. How man...
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...
More Population Pyramids
Algebra
Number Sense
Math and Social Studies
Ratio and Proportion
Data and probability
Any time math
The population pyramid above shows the distribution of the World by ages and sex for each continent. How can that information help you put your vision of the world in better perspective? &nb...
Huge Alaskan Vegetables
The annual Alaskan State Fair has just been completed. As usual, there were some amazingly big vegetables that won the agriculture prizes.
Evidently, even though the growing season in Alaska is s...