Common Core standard

Activities for 7.RP

Real-world activities aligned to this standard.

10 Million nematodes
10 Million nematodes

Nematodes Grubs are killing my grass. I don't want to put poison into the ground. What can I do? There are tiny roundworms called beneficial nematodes. They can...

Algebra Number Sense Grades 5–HS
Expensive face creams
Expensive face creams

Who knew that creams for your face could be so expensive! I'm going to have to rethink what to buy for my mom. Which of these high priced...

Algebra Number Sense Grades 5–8
Leicester City Foxes - from underdogs to Champions
Leicester City Foxes - from underdogs to Champions

Recently, to the surprise and elation of England and the world, the Leicester City Foxes became the winners of the British football association's Premier League. What was the...

Algebra Number Sense Grades 6–HS
Flag Art
Flag Art

A little ratio art might be a fun way to get ready for the upcoming Memorial Day holiday. In this activity (Flags) students measure; create whole number ratios...

Number Sense Geometry Grades 4–8
Double Discount
Double Discount

Wow, check out this sale! I'm gonna be able to get this great hoodie so cheap! If I use the promo code what will be the total percent...

Algebra Number Sense Grades 6–HS
How did they figure these tips?
How did they figure these tips?

Act I: This restaurant bill has the suggested tips, but they are smudged out. What should they be? Consider having students make a fast 5 to 10 -second...

Number Sense Math and Social Studies Grades 6–8
David Price, big bucks per ...
David Price, big bucks per ...

David Price, a 30-year old pitcher from Toronto's Blue Jays, was hired with a 7 year contract to be the Red Sox's new ace pitcher for $217 million...

Number Sense Sports Grades 6–HS
Which is the best deal?
Which is the best deal?

How do you calculate and justify which deal is a better savings? By dollars saved? By percent saved? By some other measure? Looking at 4 different deals, students...

Algebra Number Sense Grades 4–7
Giant chocolate bunnies
Giant chocolate bunnies

What can you deduce about these bunnies from their descriptions ... solid? hollow? cost per pound? cost per height? Anything else? For Adventurer members we have an editable...

Number Sense Geometry Grades 6–7
Mark Zuckerberg and Priscilla Chan to give away 99% of their shares of Facebook
Mark Zuckerberg and Priscilla Chan to give away 99% of their shares of Facebook

That sounds like an awful lot of their Facebook shares. They want to help create a better world for their daughter, Max. I wonder if they will have...

Algebra Number Sense Grades 6–HS
How Much is a Tweet Worth?
How Much is a Tweet Worth?

These days it seems everyone is on social media. Are you? Famous athletes and entertainers are on social media and they can make a lot of money. In...

Algebra Number Sense Grades 6–HS
What's with the plovers?
What's with the plovers?

Cute little birds. Piping plovers are nesting on beaches along the Atlantic coast. Consequently beaches are often roped-off or closed to protect their nests and chicks. Is this...

Algebra Number Sense Grades 7–HS