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We found 84 post available for you

How hard is it to find a 4 leaf clover? (3 Saint Patrick's Day activities)
Algebra Number Sense Geometry Math and Science Holidays and Annual Events 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 Math and 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 Math and 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 Math and Food Holidays and Annual Events 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 Math and 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...

The size of chocolates
Number Sense Geometry Math and Food Holidays and Annual Events
In this activity students assume that all of our pieces of chocolate are about the same thickness and proceed to approximate their volumes by comparing only their surface areas.  Consider sh...

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 Math and Science Math and 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 ...

Hexadecimal coloring
Number Sense Geometry Math and Science Math and Art Ratio and Proportion
Probably most of us have heard of and even used hexadecimal color codes. Don't you wonder why their number descriptions really make sense? In this activity we first ask students to color in o...

How much pee is in this pool?
Number Sense Geometry Math and Science Funny Wow factor
After chlorination, it has been hard to measure the quantity of pollutants in pool water.  A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn't disguise....
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