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...
Number Sense
Genres
Grade
Holiday Movies
In this updated activity, students will explore box office data for top-grossing Christmas movies to analyze and compare earnings. They'll practice skills like rounding, estimating, calculating di...
The LEGO transit time
In this updated activity, students will explore the math behind an unusual study: how long it takes to pass a LEGO head through a body? They'll calculate time intervals, convert...
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...
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...
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-Fang Li, has fo...
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...
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...
Vampire bats + Mosquito eating bats
Ooooo. Scary! In this first activity on vampire bats we've given lots of interesting metric and customary unit facts and asked students to relate those sizes to more familiar objects. Si...