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Big Bucks (Updated)
Big Bucks (Updated)

In 2025, Cristiano Ronaldo signed a jaw-dropping 2-year deal worth over $710 million, making him the highest-paid athlete per year in sports history. In this updated activity, students...

Sports Ratio and Proportion Grades 6–7
Bye bye Antibiotic Chickens
Bye bye Antibiotic Chickens

Fast food chains like McDonald’s, Chick-fil-A, Panera Bread, Chipotle, and Whole Foods are moving toward removing antibiotics from the food we consume to help combat antibiotic-resistant diseases in...

Number Sense Science Free sample
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 5–7
Leslie's Yummy Pumpkin Pie
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...

Algebra Number Sense Grades 4–6
Two 12s or one 18?
Two 12s or one 18?

A little more pizza fun before Pi day ! Which should we order and why? Two 12-inch pizzas or one 18-inch pizza? Which will give you more pizza?...

Number Sense Geometry Grades 5–HS
Big bucks 2023
Big bucks 2023

Updated! When soccer great, Lionel Messi played for Barcelona, he had one of the highest paid contracts of any athlete in the world. He had a $674 million...

Number Sense Sports Grades 6–8
Mallie's latest Big Burger
Mallie's latest Big Burger

It's time to treat your students to ratios, proportions, fractions and BIG BURGERS! In this activity students explore the ratio of the various ingredients in the world's largest...

Algebra Number Sense Grades 5–7
Home team advantage?
Home team advantage?

Updated! Even before your students check out the graphic below, ask them whether they think a game played at home gives their team an advantage. If so, how...

Algebra Number Sense Grades 6–7
The new largest Lego set ever - The Roman Colosseum
The new largest Lego set ever - The Roman Colosseum

Note: This is a remake of our 2014 and 2017 activities " How Much Does a Lego Cost? ". How much could the Roman Colossem Lego set cost...

Algebra Number Sense Grades 6–7
Candy deals
Candy deals

We found big mixed bags of candy at really good prices ... we think. Students are asked to decide which would be the best deal and the worst...

Number Sense Math and Food Grades 5–7
2 Hiking Activities
2 Hiking Activities

How much food do you need to carry to hike the Appalacian Trail? The AT is a hiking trail that begins in Georgia and ends on Mount Katadin,...

Algebra Number Sense Grades 6–HS
World record Snickers Bar
World record Snickers Bar

In late January, workers at the Mars Wrigley plant in Waco, Texas created this giant Snickers Bar. It won a spot in The Guinness Book of Records as...

Algebra Number Sense Grades 6–8