Common Core standard

Activities for 7.RP

Real-world activities aligned to this standard.

Just ONE hot dog
Just ONE hot dog

A newly released nutritional and environmentally sustainable study shows that eating just one hot dog can take 36 minutes off your total healthy lifespan. How many would you...

Algebra Number Sense Grades 4–HS
That's a big tomato!
That's a big tomato!

These Aussi tomatoes (the tomato on the left of all of the tomatoes) are huge. How much do you guess one weighs? Can you figure it out?

Algebra Number Sense Grades 6–HS
Let's learn to gerrymander
Let's learn to gerrymander

In this activity student first try to redistrict our pretend state in order to preserve the overall state's balance in its new districting plan. Then, students redistrict our...

Geometry Math and Social Studies Grades 5–HS
The drag in swimming - More Olympics activities
The drag in swimming - More Olympics activities

To win in Olympic swimming, contestants have to be incredibly fit and have marvelous endurance and technique. Do they also need to consider the science of their motions...

Algebra Math and Science Grades 7–HS
How much is a trillion dollars?
How much is a trillion dollars?

U.S. Congress is now debating how much money to approve on spending for infrastructure. The numbers are between 1 and 3 trillion dollars. I can't even fathom that...

Algebra Number Sense Grades 5–8
What is Juneteenth?
What is Juneteenth?

You can appreciate why this is such a great celebration when you look at the stages and some of the events and dates of America moving towards freedom...

Number Sense Math and Social Studies Grades 5–HS
Payday loans - What are they?
Payday loans - What are they?

When you need a loan, and you're desperate for help, is a Payday loan a good idea? What is a PayDay loan? How is it different from a...

Algebra Number Sense Grades 6–HS
It's tick time again ... and Lyme disease
It's tick time again ... and Lyme disease

With the start of summer and wonderful outdoor activities, it might be good to examine the growth of Lyme disease and to recognize its carrier, the deer tick....

Algebra Number Sense Grades 5–7
Shoprite's solar energy goals on the African continent
Shoprite's solar energy goals on the African continent

Shoprite is the largest supermarket chain in Africa. The company is presently engaged in increasing their use of solar power to harness the abundant natural resource of solar...

Algebra Geometry Grades 4–7
Man paid in 500 pounds of greasy pennies!
Man paid in 500 pounds of greasy pennies!

A man from Georgia, Andreas Flaten, finally received his last paycheck from his disgruntled employer. He had been owed that last check for several months and was having...

Algebra Number Sense Grades 5–7
At least the days are getting longer
At least the days are getting longer

What's your guess? How fast are the number of daylight hours changing each day? Are the changes dramatic or subtle? Students make guesses; compute how long, on average,...

Algebra Number Sense Grades 5–8
How should I spend my rewards?
How should I spend my rewards?

There's a new way to earn rewards at many grocery stores. For every dollar that you spend, you accumulate points. Then there are special rewards where you earn...

Algebra Number Sense Grades 5–8