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...
Geometry
Genres
Grade
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-Fa...
Mother's Day
Algebra
Number Sense
Geometry
Math and Social Studies
Math and Food
Holidays and Annual Events
Math and Art
Current events
Ratio and Proportion
3-act tasks
Data and probability
Funny
Wow factor
How much do we spend on Mother's Day - Use the Mother's Day event to engage your students in approximating, reasoning, and investigating as students estimate how mu...
Women's World Cup - How many matches are left?
The first round of Group play has finished and now the remaining teams start the second round of play. The teams have already played a lot of matches. How many? And, how many matches are left?
...
The HAT tessellation
An Einstein aperiodic tile has just been discovered. Find out what that means and why it is significant. Plus - play with the tiles. Do you want to tile your shower floor wi...
How hard is it to find a 4 leaf clover? (3 Saint Patrick's Day activities)
Shamrocks in Ireland are actually 3-leafed white clover, trifolium repens. If you are lucky, you can sometimes find a four-leafed clover. How rare is finding a 4-leafed clover? How hard do you...
Square or Round - which pizza should I buy?
Warm up for π day with this updated activity!
Subway has great Flatizzas but Sbarro's pizzas are good too.
If that slice from Sbarro is from an 18-inch pizza cut into eight piece...
Total lunar eclipse
On the morning of November 8, 2022, many of us will be able to see the last full lunar eclipse until March 2025.
Luckily, many of us will be able to see the eclipse pretty close to when we woul...
The size of chocolates
In this activity students assume that all of our pieces of chocolate are about the same thickness and proceed to approximate their volumes by comparing only their surface areas.
Consider sh...
Willy Makeit or Betty Wont
I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while. Finally! I see a bathroom sign! Wait ... it is in kilometers? How...