Common Core standard

Activities for 6.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
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
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
National Donut Day (2 activities)
National Donut Day (2 activities)

Friday, June 5th, is National Donut Day . We have 2 activities to support this silly holiday. How much have doughnuts changed? Students become familiar with the word...

Algebra Geometry Grades 5–HS
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
Cost of light bulbs
Cost of light bulbs

With incandescent and halogen bulbs banned since 2023, students compare CFL, LED, and Smart LED bulbs, calculate energy use in kilowatt-hours, and determine which bulb is the better...

Social Studies Ratio and Proportion Grades 6–8