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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...
Geometry
Math and Art
Grades 4–HS
Lighting the 2022 Olympic Torch
On October 18 th , 2021 the Olympic Torch was lit in Greece. It was lit without the help of a flame or a match. It was lit...
Algebra
Geometry
Grades 5–HS
What's interesting about this number?
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...
Algebra
Number Sense
Grades 4–HS
Inauguration Date
The date of the Presidential Inauguration this year can be written in an interesting way. What do you notice? What do you wonder? Do you think that this...
Algebra
Number Sense
Grades 4–HS
Point of view
If you have a set of cubes for your classroom, this would make a great group hands-on project. Its an old puzzle but the activity deserves a revisit....
Geometry
Math and Art
Grades 4–HS