Common Core standard

Activities for 7.RP

Real-world activities aligned to this standard.

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
Scary Halloween Numbers
Scary Halloween Numbers

Each year, we seem to spend more on Halloween! Are we surprised? In this updated activity, students will look at the rising Halloween participation and record-breaking spending to...

Algebra Number Sense Grades 6–7
Free Burger King for Life
Free Burger King for Life

Locked in a smelly bathroom for one hour and then promised a lifetime of Whopper meals in 2018, an Oregon man sued Burger King when the manager withdrew...

Number Sense Food Grades 6–8
Back-to-school Calculator Sales
Back-to-school Calculator Sales

Which back-to-school calculator deal saves you the most? Students work out the savings and the percent off on three real sales, then compare to find that a bigger...

Number Sense Ratio and Proportion Grades 5–7
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