Ratio and Proportion

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President's Pay for Presidents' Day

Algebra Number Sense Math and Social Studies Ratio and Proportion Data and probability
You can't run for President now, but heck, 2036 is right around the corner. Being President of the United States will be quite an accomplishment and a ton of work.   But, how...

Huge diamond found in Canada

Number Sense Geometry Math and Science Ratio and Proportion Data and probability
552-carat diamond found in Diavik Mine, Northwest Territories, Canada Can you tell just how big this gem is?  Do you know how big a carat is? What would this look like on a ring on you...

New Horizons spacecraft just flew by a really distant asteroid

Algebra Number Sense Math and Science Current events Ratio and Proportion Data and probability
Brian May, the lead guitarist of the rock band, Queen, is also an astrophysicist and one of the science team collaborators of the New Horizons space program. The video below is the song that he wrot...

Weird wing prices

Algebra Number Sense Math and Food Ratio and Proportion 3-act tasks Data and probability
Clicking on this image will show it larger in a new window. Danny's Wok in Philadelphia has a huge price list for ordering their famous chicken wings. Why did they write the prices this w...

Fine

Algebra Sports Ratio and Proportion
TJ Watt was fined for roughing the passer.  Check out the tweet from Darren Rovell and engage your students in a familiar context for a classic percent problem - solving for the "whole....

One harrowing adventure

Number Sense Current events Ratio and Proportion Data and probability
  Can you imagine being stuck in the dark for such a long time?  How do all of the numbers play out? In this activity, students get a chance to talk about the experience of this ordea...

Now that LeBron James is becoming an L. A. Laker, will this company go broke?

Number Sense Sports Current events Ratio and Proportion
Fanatics is an online sportswear retailer that has promised to accept jersey returns if your chosen player makes a team switch. In this activity student try to calculate how much this "Jersey Ass...

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...
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