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Ratio and Proportion

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We found 134 post available for you

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...

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...

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...

Immigration numbers
Algebra Math and Social Studies Ratio and Proportion Data and probability
Here's an opportunity to work with calculating percents and the percent changes in the U.S. immigrant population. Students can reflect on what those changes demonstrate. Start your class with this ...

Will the new iPhone sales be huge?
Algebra Ratio and Proportion Data and probability
Apple just announced their new, 10th anniversary, iPhones, the iPhone 8 and the iPhone X.  These phones will soon be in stores, the iPhone 8 comes out on September 22, 2017. The iPhone X is ava...

Total solar eclipse - apparent sizes
Algebra Geometry Math and Science Current events Ratio and Proportion
  Where will the eclipse be seen?  What if you are not in the path of totality?  Total solar eclipse?  What is apparent size?  How can the moon seem to cover the sun complete...

Giant iceberg breaks off from Antarctica
Math and Science Current events Ratio and Proportion Data and probability
The crack in Antarctica's Larson C ice shelf has been growing for years.  Has the speed of the rift's growth stayed about the same? increased? decreased?  Do the math and discuss the...
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