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Ratio and Proportion

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We found 47 post available for you

The odds of horse race betting
Algebra Number Sense Sports Current events Ratio and Proportion Data and probability
Rich Strike surprised everyone at the Kentucky Derby horse race in early May by moving from 18th place at the half-way mark (out of 20 horses) to winning the race. Churchill Downs, the track in...

Banana Art "Comedian"
Algebra Number Sense Math and Food Math and Art Ratio and Proportion Funny
What do you think this activity might be about? What do you wonder? How much would you pay for this piece of art? How much profit is involved in this sale? ...

What is my best gasoline option?
Algebra Number Sense Current events Ratio and Proportion
Jason Kibbe, 6-8 Gifted Support Teacher in Chambersburg, PA, sent us this timely investigation.   Should I pay the membership fee and get BJ's gasoline?  Should I just buy the ch...

The LUGE
Algebra Number Sense Sports Current events Ratio and Proportion
This is one of the fastest Olympic sports. Lugers, on tiny sleds, zoom down a solid ice track at fantastic speeds, hold their bodies in an aerodynamically optimized position while fighting extre...

Will one roll be enough?
Number Sense Geometry Holidays and Annual Events Ratio and Proportion
Students can use the man or the basket as a reference as they try to approximate the size of these gifts and how much wrapping paper will actually be needed. Approximation, surface are...

Holiday shipping
Algebra Holidays and Annual Events Ratio and Proportion Data and probability
Now that the shopping season has begun, it's time to get the packages to your homes.  Two big companies take care of a lot of that shipping.  How do they manage that? The mechanis...

Shopping season already!
Number Sense Math and Social Studies Holidays and Annual Events Ratio and Proportion Data and probability
We used to see holiday sales right after Thanksgiving but, surprisingly, holiday shopping has already begun. Sales are advertised everywhere.  Students will be able to add some understanding an...

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

Death Valley, CA - How hot was it?
Algebra Number Sense Math and Science Ratio and Proportion Data and probability
  This picture may have been Photoshopped and not be a true representation.  We blacked out the Fahrenheit reading of this temperature sign at the Death Valley Visitor ...

At least the days are getting longer
Algebra Number Sense Math and Science Holidays and Annual Events Current events Ratio and Proportion Data and probability
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 l...
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