Topic

Activities about ratio

Dia de los Muertos
Dia de los Muertos

The Day of the Dead (Día de los Muertos) is celebrated on November 1st and 2nd, right after Halloween. Hot chocolate is a traditional, comforting drink for the...

Algebra Number Sense Grades 5–7
Halloween Candy Buy Back
Halloween Candy Buy Back

Shortly after Halloween, individuals and businesses (especially dentists) collect donations of extra unopened candy to create care packages to send to soldiers and first responders. Some businesses will...

Number Sense Food Grades 5–7
Population Clock
Population Clock

How in the world does this clock conclude that there is a net gain in the United States of one person every 29 seconds? Students use fraction operations...

Algebra Number Sense Grades 5–8
NFL Home Field Advantage
NFL Home Field Advantage

With a new season starting soon, a sk them whether they think a game played at home gives their team an advantage. If so, how much of an...

Sports Grades 6–7
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 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
Holiday Shipping
Holiday Shipping

Now that the holiday shopping season has begun, it's time to get the packages to your homes. Two big companies take care of a lot of that shipping....

Holidays and Annual Events Data and probability Grades 5–7
Giant Pumpkins
Giant Pumpkins

🎃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 Food Grades 6–7
Someone ate my cake!
Someone ate my cake!

In this updated activity, students analyze a photo of a partially eaten cake to figure out how much was taken, what fraction is left, and how much the...

Number Sense Food Grades 3–5
What a range
What a range

📗Temperature Math with Negative Numbers! 🌡️ Around the world, temperatures can be wildly different depending on the location and time of year. In this activity, students explore average...

Math and Science Data and probability Grades 4–6
The Power of Leverage
The Power of Leverage

📈 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...

Number Sense Ratio and Proportion Grades 8–HS
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