Number Sense

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Holiday Candy Sales (2025)

Number Sense Math and Food Holidays and Annual Events Data and probability
 In this activity, students will analyze U.S. holiday candy sales percentage data (updated) to calculate the approximate amount spent on candy for each holiday. Students are encouraged to work wi...

College Costs Keep Going Up

Algebra Number Sense Ratio and Proportion Data and probability
 College costs keep rising, and it can be hard for students to grasp just how much four years of school might add up to. This updated activity gives students real data and guides them to explore ...

The Power of Leverage

Number Sense Ratio and Proportion Any time math
 📈 In this activity, students will explore the power and risks of leverage by analyzing the price movements in trading. They'll calculate percentage gains and losses, compare leveraged vs. non-le...

Red Green Bitcoin

Algebra Number Sense Data and probability
  📉 In this activity, students will explore Bitcoin price movements using a chart. They'll analyze trends, calculate price changes, and make predictions based on real data. This activity int...

Barcodes and QR codes

Algebra Number Sense Data and probability
In this updated activity, students will be introduced to permutations and investigate how the math behind barcodes and QR codes creates endless possibilities for product id...

It's almost 2025

Number Sense Any time math
 This post is being updated for 2026 – Stay tuned!  🎉As the new year approaches, this activity invites students to explore unique number categories related to 2025. What’s a Harshad num...

Mathematical Gift Wrapping

Algebra Number Sense Geometry Holidays and Annual Events 3-act tasks
🎁🎁In this updated activity, students will use math to explore two methods of wrapping gifts, including the mathematical method demonstrated by S...

Downside Up

Algebra Number Sense Math and Social Studies Math and Art 3-act tasks Wow factor
🔍 In this updated activity, students will explore patterns and formulate mathematical relationships through the Canstruction exhibit ‘Downside Up.’ Begin with the starter slides for init...

Shrinkflation - Updated

Algebra Number Sense Math and Food Current events Ratio and Proportion
📈💵In this updated activity, students will explore shrinkflation and its impact on the products we love. Building on our starter slides discussi...

Candy Count: Which Bag Holds the Most Candy

Number Sense Geometry Math and Food Holidays and Annual Events
 🎃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 con...
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