Common Core standard

Activities for 7.RP.A.3

Real-world activities aligned to this standard.

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
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
Would you rather $10,000 a week vs $10 million at once?
Would you rather $10,000 a week vs $10 million at once?

In this updated activity, students explore the question: Would you rather get $10,000 every week or $10 million all at once? To begin, students compare the amounts to...

Number Sense Grades 5–8
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
Red Green Bitcoin
Red Green Bitcoin

📉 In this activity, students will explore Bitcoin price movements using a chart. They'll analyze trends, calculate price changes, and make predictions based on real data. This activity...

Algebra Number Sense Grades 8–HS
Shrinkflation
Shrinkflation

Are your favorite snacks secretly shrinking? Students compare the size and price of three popular snacks in 2022 versus 2026, calculating each item's unit price and percent change...

Number Sense Food Grades 7–8
Germ-Killing Wipes
Germ-Killing Wipes

In this activity, students get to dig into the real impact of disinfectant wipes. With one wipe claiming to kill 99.9% of germs and another at 99.999%, does...

Math and Science Grades 5–7