Earth Day Actions for Our Planet (April 22)
We have 16 activities that you could use for Earth Day!
April 22nd is Earth Day. Help your students become activists for our planet? We have ...
Geometry
Genres
Grade
DST ends November 5th, 2023 - strange happenings
In this activity students try to figure out how time settings will change as they move from place to place and in the serious weirdness of Arizona and the Navaho and Hopi nations. What variables...
The HAT tessellation
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 floor wi...
Earth Day (April 22) Actions for Our Planet
Algebra
Number Sense
Geometry
Math and Science
Math and Social Studies
Holidays and Annual Events
Current events
Ratio and Proportion
3-act tasks
Data and probability
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How hard is it to find a 4 leaf clover? (3 Saint Patrick's Day activities)
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...
Square or Round - which pizza should I buy?
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...
Total lunar eclipse
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
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...
How much pee is in this pool?
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....
The James Webb telescope
After launch, the telescope deployed on its 30-day, million-mile journey out to the second Lagrange point (L2). This video shows the deployment procedure, timeline, and location of the sate...