Geometry

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Women's World Cup - How many matches are left?

Number Sense Geometry Sports Current events
The first round of Group play has finished and now the remaining teams start the second round of play. The teams have already played a lot of matches. How many? And, how many matches are left? ...

Giant beach towel

Geometry Art Ratio and Proportion 3-act tasks Probability and Statistics
  Beaches are starting to open again. Bring summertime smiles and hopes to your class with this activity.  Towel project by Misael Soto. Act One: Check out this beach tow...

The HAT tessellation

Geometry Art Current events
  An Einstein aperiodic tile has just been discovered.  Find out what that means and why it is significant.  Plus - play with the tiles.  Do you want to tile your shower floo...

How hard is it to find a 4 leaf clover? (3 Saint Patrick's Day activities)

Algebra Number Sense Geometry Science Holidays Wow factor
Shamrocks in Ireland are actually 3-leafed white clover, trifolium repens. If you are lucky, you can sometimes find a four-leafed clover. How rare is finding a 4-leafed clover?  How hard do you...

Two 12s or one 18?

Number Sense Geometry Food
A little more pizza fun before Pi day! Which should we order and why? Two 12-inch pizzas or one 18-inch pizza?  Which will give you more pizza? More crust? Which is the better deal?  ...

Square or Round - which pizza should I buy?

Algebra Number Sense Geometry Food
Warm up for π day with this updated activity! Subway has great Flatizzas but Sbarro's pizzas are good too.     If that slice from Sbarro is from an 18-inch pizza cut into eight piece...

Lots of Cranberries

Geometry Food Holidays Ratio and Proportion
 The harvest must be nearing completion now and growers are selling their product to make cranberry juice, jelly, sauce, and of course, fresh berries in time for Thanksgiving. In this activit...

Total lunar eclipse

Geometry Science Current events Wow factor
On the morning of November 8, 2022, many of us will be able to see the last full lunar eclipse until March 2025. Luckily, many of us will be able to see the eclipse pretty close to when we woul...

Willy Makeit or Betty Wont

Number Sense Geometry Ratio and Proportion Funny Wow factor
I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while.  Finally!  I see a bathroom sign!  Wait ... it is in kilometers?  How...

What is Artemis 1 and when will it launch?

Number Sense Geometry Science Social Studies Current events Wow factor
  Credit: (NASA/Joel Kowsky) 50 years ago we landed on the moon. We've established a space station and flown astronauts and guests to live there. Private industries have created reusable ...
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