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Giant Pumpkins (2025)
Giant Pumpkins (2025)

🎃October is the time of year when giant pumpkin contests take place all over the world, and the pumpkins just keep getting bigger and bigger! In this activity,...

Number Sense Math and Food Grades 5–6
The greatest amount of chocolate
The greatest amount of chocolate

In this updated activity, students compare three chocolates that look almost the same size to see which one actually gives the most chocolate. Depending on their grade level,...

Math and Food Holidays and Annual Events Grades 2–6
Scary Halloween Numbers
Scary Halloween Numbers

🎃Each year, we seem to $pend more on Halloween! Are we surprised? In this updated activity, students will look at the rising Halloween participation and record-breaking spending to...

Algebra Number Sense Grades 5–6
Labor Day 2025
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...

Math and Social Studies Holidays and Annual Events Grades 5–7
S'mores
S'mores

August 10 is National S’mores Day! Engage your students with a fun real-world math activity involving s’mores! In this activity (updated), students explore how many s'mores can be...

Number Sense Math and Food
Vampire Bats
Vampire Bats

🦇In this updated activity, students explore how vampire bats drink half their body weight in blood in just 20 minutes. Using proportional reasoning and unit conversions (volume, distance,...

Number Sense Math and Science Grades 4–6
A Parametric Heart
A Parametric Heart

♥ ♥ ♥ ♥ ♥ ♥ ♥ ♥ In this updated activity, students will explore parametric equations to graph a heart shape using sine and cosine functions. Begin...

Geometry Holidays and Annual Events High School
Holiday Movies
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 differences, and...

Number Sense Holidays and Annual Events Grades 3–6
Mathematical Gift Wrapping
Mathematical Gift Wrapping

🎁🎁In this updated activity, students will use math to explore two methods of wrapping gifts, including the mathematical method demonstrated by Sara Santos. They'll calculate the dimensions of...

Algebra Number Sense Grades 6–7
Mashed Potatoes Proportions
Mashed Potatoes Proportions

🥔 "Why do we never have enough mashed potatoes at Thanksgiving?" In this updatedactivity, students will dive into the math of mashed potatoes planning to ensure there’s plenty...

Algebra Number Sense Grades 4–6
Downside Up
Downside Up

🔍 In this updated activity, students will explore patterns and formulate mathematical relationships through the Canstruction exhibit ‘Downside Up.’ Begin with the starter slides for initial estimation attempts...

Algebra Number Sense Grades 6–HS
Candy Count: Which Bag Holds the Most Candy
Candy Count: Which Bag Holds the Most Candy

🎃Leverage your students' Halloween enthusiasm with this activity, where they’ll calculate the volume of various trick-or-treat bags—ranging from rectangular prisms to spheres, cylinders, and cones to discover which...

Number Sense Geometry High School