Ratio and Proportion

Grade

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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...

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...

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 ...

Need to rent some chaise lounges

Algebra Ratio and Proportion
Brian is in Crete and he took a picture of this sign. What do you suppose he's going to ask next? Yep.  "How much will 6 lounges and 2 umbrellas cost?"  And more ... Systems begin. ...

2 Hiking Activities

Algebra Number Sense Sports Ratio and Proportion
How much food do you need to carry to hike the Appalacian Trail? The AT is a hiking trail that begins in Georgia and ends on Mount Katadin, Maine. Fall is a beautiful time to be outdoors or on ...

Really stuffed!

Algebra Number Sense Math and Food Ratio and Proportion Data and probability
Wow, these cookies look really stuffed! How much more "stuffed" are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy to you or gr...

How steep is this treadmill?

Algebra Number Sense Geometry Ratio and Proportion
  Photo from the Onion, America's Finest New Source. Women on Gym Treadmill Cranks Incline up to 90 Degrees  This is a very short activity designed to give students a more visual underst...

When will he use up his chocolate milk account?

Algebra Number Sense Math and Food Ratio and Proportion
  Brian's son buys chocolate milk every few days to go with his lunch. His school creates an invoice that they send to parents every month that show the status of his milk account. Brian p...

Measuring sea level

Algebra Number Sense Geometry Math and Science Ratio and Proportion Data and probability
What does this gizmo do? We've given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be. Then we've...
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