Algebra

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The Algebra of Magic Squares

Algebra Number Sense
Have you seen magic squares before? How could a teacher use these puzzles to help students with different number skills? How few blank cells could you leave? Are there any special cel...

I need help raking my leaves

Algebra Number Sense Current events Ratio and Proportion
Brian has spent too much time thinking about his leaves. He's worried about raking them alone and thinking about how long the job would take if people helped. In this activity students see the inve...

Happy Friday the 13th!

Algebra Number Sense Current events Funny
Don't worry, 13 is a Happy number! Students learn a new function and test whether a number is Happy or Sad.

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...

Mardi Gras, 2023

Algebra Number Sense Holidays and Annual Events Ratio and Proportion
Updated for 2023! Tuesday, February 21, 2023, will be the day before Ash Wednesday and the start of the season of Lent.  Mardi Gras is a last hoorah and is celebrated throughout the world ...

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...

What's interesting about this number?

Algebra Number Sense Data and probability
  Why did we put it on YummyMath today? What do you notice about this number? What do you wonder? Do you think that this happens often in a year?

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 ...

The new R-naught number

Algebra Number Sense Math and Science Current events Data and probability
There's a number used to quantify how fast a virus will spread, the R-naught number.  As the coronavirus spread though out the world, we saw how the threat of infection was measured and und...

Does an NFL player's draft order mean a lot for the player?

Algebra Sports Ratio and Proportion Data and probability
Updated! This Thursday, April 27th, college football players will be awaiting knowing their futures in the NFL.Every spring, roughly 250 college football players are drafted by NFL teams throug...
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