Lots of Pieces
🧩In this updated activity, students will explore estimation and addition with a collection of puzzles. It’s important to start with the starter slides, where st...
Number Sense
Genres
Grade
Cookie Calculations
In this activity, students will step into the kitchen to explore the math behind baking!
🍪They’ll estimate costs, calculate how many cookies can be made with a given am...
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...
How much does America spend for Mother’s Day?
How much do we spend on Mother's Day? Use the Mother's Day event to engage your students (as a class) in approximating, reasoning, and investigating as they estimate how much is spent in the United St...
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...
Will this be an El Niño winter?
The Oceanic Niño Index (ONI) started to show changes to the Pacific Ocean surface temperatures in April and May of this year. Those temperatures are still rising which is a marker for the ...
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...
Will the Barbie movie out-perform Avatar at the box office?
The Barbie Movie is still doing well in the theaters. It has only been 6 1/2 weeks since its debut. Do you think that it can out-earn Avatar? Students study the numbers, recognize ...
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...
Will sending you back to school this year cost a fortune?
With high inflation rates, supply shortages, and rethinking what is essential spending, back to school spending might be different this year. Back-to-school spending is huge and students mi...