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The huge costs behind the Olympics
The huge costs behind the Olympics

Hosting the Olympic Games is extremely expensive. In this updated activity, students explore the cost of hosting the Olympics, what a cost overrun (percentage increase) means, and how...

Algebra Math and Social Studies Grades 6–8
Super Bowl Numerals
Super Bowl Numerals

Super Bowl numbers are appearing again! As students start getting into the current Super Bowl hype, help them to understand the notation that the sports writers and advertisements...

Number Sense Sports Grades 5–8
Fantasy Football (2025)
Fantasy Football (2025)

We're at the midway point of the 2025 NFL season! What a great time to connect math to sports!🏈 In this activity, students use real statistics from recent...

Algebra Sports Grades 6–8
Barcodes and QR codes
Barcodes and QR codes

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 identification by finding...

Algebra Number Sense Grades 7–8
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 4–7
Money Making Movies
Money Making Movies

Do you enjoy watching movies?🎬 Have you ever wondered just how much money your favorite films make at the box office? Worldwide box office income is compared for...

Algebra Number Sense
Veterans Day, 2023
Veterans Day, 2023

This activity will be updated before October, 2026. Stay tuned! On Veterans Day we honor the men and women that have served in the Armed Forces of the...

Algebra Social Studies Grades 5–HS
2023 World Cup Cricket
2023 World Cup Cricket

The Cricket World Cup is being played now (October 5 to November 19, 2023) in India. This is a complex game that is played with enthusiasm and humor....

Algebra Number Sense Grades 6–HS
U. S. Open Tennis Tournament prizes have been awarded
U. S. Open Tennis Tournament prizes have been awarded

The U.S. Open Tennis Tournament has just been completed. It is possibly the biggest tennis tournament in the world. We've updated our numbers and focused on the prize...

Algebra Number Sense Grades 8–HS
Justin Verlander's lunch bill
Justin Verlander's lunch bill

In the 2017 World Series, the Houston Astros beat the Los Angeles Dodgers and went on to play (and lose to) the Boston Red Sox in the finals....

Algebra Number Sense Grades 6–8
Jock tax 2023
Jock tax 2023

Great professional athletes make a lot of money. Did you know that professional athletes have to pay an amazing amount of federal, state, and sometimes even city tax?...

Algebra Number Sense Grades 6–HS
Women's World Cup - How many matches are left?
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....

Number Sense Geometry Grades 4–HS