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All you can eat for 10 cents
All you can eat for 10 cents

The history of the Dairy Queen franchise began with this ad in Illinois in 1938: All the ice cream that you can eat for only 10 cents! We...

Algebra Number Sense Grades 5–8
Joe's Tiny New York
Joe's Tiny New York

Joe Macken is a truck driver from upstate New York. Back in 2004, when he was 41, he went into his basement with some balsa wood and started...

Number Sense Math and Art Grades 4–6
Memorial Day 2026
Memorial Day 2026

Memorial Day is a US holiday observed on the last Monday in May. Who are we honoring? How did the holiday come about? Isn't Memorial Day usually on...

Number Sense Holidays and Annual Events Grades 5–8
Mother’s Day by the numbers
Mother’s Day by the numbers

Mother’s Day is right around the corner, and that means big business for the greeting card, flower, and restaurant industries. In this activity, students calculate the average Mother's...

Number Sense Holidays Grades 5–6
Hybrid, Electric or Gasoline
Hybrid, Electric or Gasoline

Gas prices are up, EVs are everywhere, and hybrid technology keeps improving! So which car is better? Which car would you/your family choose? Students compare the latest prices...

Algebra Number Sense Grades 7–8
Rapunzel
Rapunzel

A live-action remake of Disney's Tangled is now in the works! In this updated activity, students use ratios and proportional reasoning to estimate the weight of Rapunzel's magical...

Movies and Entertainment Ratio and Proportion Grades 5–7
The Last Great Race on Earth
The Last Great Race on Earth

The Iditarod Trail Sled Dog Race is an annual event in which mushers and teams of 12-16 dogs race across Alaska from Anchorage to Nome, in the cold...

Algebra Number Sense Grades 5–7
The Ultimate Key Lime Pie
The Ultimate Key Lime Pie

On a cold and snowy day in Boston about ten years ago, two chefs created a huge Key Lime pie to remind the frozen people of the Northeast...

Number Sense Geometry Grades 4–8
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
Holiday Candy Sales
Holiday Candy Sales

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...

Number Sense Math and Food Grades 5–7
Macy's Thanksgiving Parade (2025)
Macy's Thanksgiving Parade (2025)

🎈Get excited for Thanksgiving with this updated Macy’s Thanksgiving Day Parade activity! Students explore this year's parade map to find the number of parade blocks, use the map’s...

Number Sense Holidays and Annual Events Grades 4–7
Black Friday
Black Friday

Black Friday is the biggest shopping day of the year! In this activity, students get a sneak peek at early Black Friday deals to calculate savings (decimals &...

Holidays and Annual Events Ratio and Proportion Grades 5–7