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We found 103 post available for you

Can you show that the Pythagorean Theorem works?
Algebra Number Sense Geometry
Use this activity to help your students work through the meaning of the Pythagorean theorem. Pythagorean theorem experiences are often skill and drill work with contrived right triangle problem...

String design, ellipses, and orbital mechanics
Number Sense Geometry Math and Science Math and Art
Here's a different and somewhat artistic way to encourage understanding of a conic section.  Participants physically build an ellipse by choosing two foci and sketching the fi...

Leslie's socially-distanced party

Algebra Geometry Math and Science
I risked infecting my friends or becoming infected myself by throwing a very small socially-distanced party.  I served baked appetizers, disinfectant wipes, and latex gloves.  I cooked whi...

May 27th launch from the U.S. again
Geometry Math and Science Math and Social Studies Current events
May 27 scrubbed because of weather. Successfully launched Saturday, May 30th, 3:22 pm EDT.  Dragon is on the way to the ISS now. Wednesday, May 27th will be a momentous day for space tr...

Fish tale, go figure!
Algebra Geometry 3-act tasks
This is being updated. Stay tuned! With the subscription, you can still access the previous version of this activity by clicking solutions & supporting materials. ...

Tiny vacuum with a huge reach
Algebra Number Sense Geometry 3-act tasks
From the vacuum description and advertisement in the PDF, how long do you think its cord must be? Thanks to Brian Shoemaker, Newton, MA teacher, for the idea and pictures.

Pascal coloring and modular math
Number Sense Geometry Math and Social Studies Math and Art
In this activity students have the opportunity to color as they investigate Pascal's triangle and the many useful patterns that it shows. The triangle is explored for patterns, coloring...

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...

The Forever Roll
Algebra Number Sense Geometry Ratio and Proportion Funny
  That's a big roll of toilet paper!  Why would anyone need such a big roll of toilet paper?  How does it compare to Charmin's other toilet paper products? If this roll lasts for...

Largest coffee, new world record
Algebra Number Sense Geometry Math and Food
The world record for the largest cup of coffee was recently set (see picture above).  In this activity students explore scale, similar figures, volume and measurement as they estimate the...
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