Someone ate my cake!
🍰In this updated activity, students analyze a photo of a partially eaten cake to figure out how much was taken, what fraction is left, and how much the culprit might owe based on the cake’s ...
Any time math
Genres
Grade
Lunar New Year
In this updated activity, students will explore the unique naming system of the Lunar New Year, which combines the Heavenly Stems and Earthly Branches. Without expl...
It's almost 2025
🎉As the new year approaches, this activity invites students to explore unique number categories related to 2025. What’s a Harshad number? A Pernicious number? A Tetrahedra...
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...
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...
Little Amal walks across the United States
Algebra
Number Sense
Math and Social Studies
Math and Art
Current events
Ratio and Proportion
Wow factor
Any time math
With our world in so much turmoil and refugees trying to survive hardships by traveling away from their homes, the story of Little Amal is powerful, timely, and touching.
Of course there is a lot...
What do you know about the Hawaiian islands?
Algebra
Number Sense
Math and Science
Math and Social Studies
Current events
Data and probability
Any time math
We’ve been watching news about the extreme wild fires, draught and winds that have devastated parts of the Hawaiian Islands. Let your students explore Hawaii and better understand its d...
How many hot chocolate scoops do I need?
Even though it is now Spring, here in New England we are still chilled and hope that some hot chocolate will warm us up.

Clicking on the above image will take you to Brian's movie of makin...
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