Common Core standard

Activities for 7.RP

Real-world activities aligned to this standard.

Eliud Kipchoge runs marathon in 1:59:40.2
Eliud Kipchoge runs marathon in 1:59:40.2

Eliud Kipchoge breaks 2 hour marathon barrier. On October 12 th 2019, Eliud Kipchoge ran a marathon in Vienna in under 2 hours. He has now broken a...

Algebra Sports Grades 7–HS
Who's going back to school?
Who's going back to school?

Students look at the past and present populations of the U.S. and the past and present population of school attendees to calculate the percentage of the population that...

Algebra Number Sense Grades 6–8
Bears Ears revisited
Bears Ears revisited

There is some beautiful land in Utah that was changed last year from federally protected land to Utah overseen land. The buttes of Bears Ears (shown above) and...

Math and Social Studies Current events Grades 6–HS
Louisiana
Louisiana

We recently watched the approach of Hurricane Barry and worried about the fate of Louisiana. After the devastation of Hurricane Katrina, what would another powerful hurricane do to...

Algebra Number Sense Grades 5–HS
How can Nike give away so much great stuff?
How can Nike give away so much great stuff?

Worldwide Nike supports many teams and athletes. They design, manufacture, and supply gear for almost every sport imaginable. How much are those give-aways worth? Is the company going...

Algebra Number Sense Grades 5–HS
How does the pay for women's soccer compare to that of men's?
How does the pay for women's soccer compare to that of men's?

All soccer players on a team aren't paid the same. The best players are paid more than the simply great players. And in Women's soccer those same differences...

Number Sense Math and Social Studies
NHL Playoff games can sure last a long time!
NHL Playoff games can sure last a long time!

Revised! We're watching another Stanley Cup playoff now. Will there be any really long games during the playoffs? In 2013, a Stanley Cup playoff match between the Bruins...

Algebra Number Sense Grades 3–HS
Tornadoes 2019
Tornadoes 2019

Tornadoes have devastated the Midwest, U.S. in the last few days. Alabama, Texas, Louisiana, Oklahoma, Ohio, Missouri, Iowa, Nebraska and Mississippi have been brutally hit with these powerful...

Number Sense Math and Science Grades 6–HS
Wow, everything must be free!
Wow, everything must be free!

What happens when you take 50% off again after taking 50% off at first? Students examine this retailer trick of giving double discounts. What happens to the price...

Algebra Number Sense Grades 6–8
How long would it take to build this underground house and pool?
How long would it take to build this underground house and pool?

The building of this underground house and pool was presented by Cayote Person and his partner, Mark Lavins, on their youtube channel, "Brave Wilderness." At BraveWilderness.com the business...

Algebra Number Sense Grades 5–HS
President's Pay for Presidents' Day
President's Pay for Presidents' Day

You can't run for President now, but heck, 2036 is right around the corner. Being President of the United States will be quite an accomplishment and a ton...

Algebra Number Sense Grades 6–HS
Huge diamond found in Canada
Huge diamond found in Canada

552-carat diamond found in Diavik Mine, Northwest Territories, Canada Can you tell just how big this gem is? Do you know how big a carat is? What would...

Number Sense Geometry Grades 5–HS