tags: 7.RP

tags: 7.RP
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Wow, everything must be free!

Algebra Number Sense Ratio and Proportion Data and probability
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 when you are given...

How long would it take to build this underground house and pool?

Algebra Number Sense Geometry Math and Social Studies 3-act tasks
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 busin...

Huge Key Lime pie

Number Sense Geometry Math and Food Ratio and Proportion
More for π Day!   On a cold and snowy day in Boston, two chefs created a huge Key Lime pie to remind the frozen people of the Northeast how tasty and warm the Keys of Florida are. ...

Value of a lifetime of Whoppers?

Algebra Number Sense Math and Social Studies Math and Food Current events Ratio and Proportion
Locked in a smelly bathroom for one hour and then promised a lifetime of Whopper meals🍔, an Oregon man sued BK when the manager's promise was withdrawn.  How much money should he ask for in hi...

President's Pay for Presidents' Day

Algebra Number Sense Math and Social Studies Ratio and Proportion Data and probability
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 of work.   But, how...

Huge diamond found in Canada

Number Sense Geometry Math and Science Ratio and Proportion Data and probability
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 this look like on a ring on you...

Fine

Algebra Sports Ratio and Proportion
TJ Watt was fined for roughing the passer.  Check out the tweet from Darren Rovell and engage your students in a familiar context for a classic percent problem - solving for the "whole....

One harrowing adventure

Number Sense Current events Ratio and Proportion Data and probability
  Can you imagine being stuck in the dark for such a long time?  How do all of the numbers play out? In this activity, students get a chance to talk about the experience of this ordea...

Now that LeBron James is becoming an L. A. Laker, will this company go broke?

Number Sense Sports Current events Ratio and Proportion
Fanatics is an online sportswear retailer that has promised to accept jersey returns if your chosen player makes a team switch. In this activity student try to calculate how much this "Jersey Ass...

Encouraging bats might be better than using bug repellant

Math and Science Ratio and Proportion
Bats eat mosquitoes ... lots of mosquitoes. Students compare a bat's weight to how much he can consume in one night.  They calculate how much they would need to eat to consume a comparable prop...
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