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Ratio and Proportion

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We found 217 post available for you

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...

More eruptions on Hawai'i's Kilauea
Algebra Geometry Math and Science Current events Ratio and Proportion
The Volcano Kilauea is continuing to spew molten lava and ash on the island of Hawai'i. This volcano is on the tip of the southern most Hawaiian Island. Is that significant? In this activit...

Boeing 787 draws an airplane over the United States
Number Sense Geometry Ratio and Proportion
Recently, pilots of a Boeing 787 testing a new set of Rolls Royce engines, fulfilled their FAA required long-distance endurance requirement in an unusual way. The Boeing pilots decided to have ...

How fast can you run?
Algebra Number Sense Math and Science Ratio and Proportion Data and probability
Have you heard of The Six Million Dollar Man?  He was the character in a science fiction show about an astronaut that was rebuilt, bionically, after his space ship crashed.  He could run a...

How many wings did the Bills send the Bengals?
Algebra Math and Food Sports Ratio and Proportion
  Cincinnati Bengals serving their thank-you gift from the Buffalo Bills to the Autism High School at the Children's Home of Cincinnati On December 31st, 2017, the Cincinnati Benga...

Cost of hosting Olympic games
Algebra Math and Social Studies Sports Ratio and Proportion Data and probability
Hosting the Olympics sure does cost a lot. Why is that? How much money is $5 billion dollars? What is a cost overrun? Why would a country want to spend that much money to host and Olympic Game...

The Olympic Torch trip in South Korea
Math and Social Studies Sports Current events Ratio and Proportion Data and probability
On October 24, 2017, the Olympic flame was captured on Mount Olympus, Greece. That flame lit one of this year's Olympic Torches and the Torch relay was begun on its way to the opening Winter Olympic...

Is this promo a good deal?
Number Sense Math and Food Ratio and Proportion Data and probability
McDonald's was offering an "Arch Card" special deal. If you bought an Arch Card for $100 you were entitled to a free BigMac or EggMcMuffin every week for a full year. The card was only offered a...

Hands of Support
Math and Art Ratio and Proportion 3-act tasks Data and probability
Lorenzo Quinn, an Italian sculptor, created and temporarily installed this piece of art entitled "Support" in Venice.  Quinn used his own children's hands to design this piece.  His in...

Holiday candy sales
Algebra Number Sense Holidays and Annual Events Ratio and Proportion Data and probability
Which holidays are associated with candy? For which of those holidays is the most candy sold? What percents of annual candy sales does each holiday contribute? Consider using some in...
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