Ratio and Proportion

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K-Pop and BTS, how much can they earn from Youtube and Spotify?

Number Sense Math and Social Studies Math and Art Current events Ratio and Proportion
Bring a little K-pop music to your class with this activity. Jason Kibbe, a terrific middle school math teacher in Chambersburg, PA, sent us an activity that he created for one of his stude...

It's Girl Scout cookie time again!

Algebra Number Sense Math and Social Studies Math and Food Ratio and Proportion
  Let your students talk about their favorite Girl Scout cookies as they figure out what the local GS chapter really earns from these sales.  Use this old graphic (where a box...

Wanna work for Uber?

Number Sense Math and Social Studies Ratio and Proportion
  I received two ads for working for Uber. What do you notice and wonder?  Why are the ads different?  Is it the same rate?  If not which is the best deal?  Why?  ...

The Forever Roll

Algebra Number Sense Geometry Ratio and Proportion Funny
  That's a big roll of toilet paper!  Why would anyone need such a big roll of toilet paper?  How does it compare to Charmin's other toilet paper products? If this roll lasts for...

Operation Gratitude – Halloween candy buy back

Algebra Number Sense Math and Social Studies Math and Food Holidays and Annual Events Ratio and Proportion Data and probability
This is a great idea! Motivate kids to get rid of all of that candy for a good cause. Operation Gratitude and dentists are encouraging healthy eating, motivated giving, and offering a goo...

Does it pay to get educated?

Number Sense Math and Social Studies Ratio and Proportion Data and probability
 Why should students do well in school, graduate high school, or go on to college?  In this activity median earnings by various education levels are explored.  Students compare t...

So just print some more money!

Number Sense Math and Social Studies Current events Ratio and Proportion Data and probability
                     What's the big deal with our deficit? Do we actually borrow money to cover our debt? If we do, imagine the interest charges? Help your students...

Who's going back to school?

Algebra Number Sense Math and Social Studies Ratio and Proportion Data and probability
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 are enrolled in K-12 school...

Louisiana

Algebra Number Sense Math and Science Math and Social Studies Current events Ratio and Proportion
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 this fragile ...

How can Nike give away so much great stuff?

Algebra Number Sense Sports Ratio and Proportion Data and probability
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 ...
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