(You may have picked up on this, but I tend to do the more involved things on the weekends when I have a bit more time. This one was HONESTLY pretty reasonable until the last step, which took me about 5 finicky minutes to get together. YOU CAN DO THIS. And it is SO SATISFYING when it’s finally together.)
The Challenge: Fold yourself an origami firework.
Materials Needed: 12 congruent paper squares, patience.
Math concepts you could explore with this challenge: angles, orgiami, symmetry, vertices/intersections
I used these directions since I prefer PDFs when I can.
Clarissa Grandi suggested this youtube video, which I haven’t watched, but I trust she’s selected the best one out there.
Depending on how you use this activity, you may engage with different mathematical standards. I’ve listed possible connected math content above. Here are a few suggestions for how you might integrate the 8 mathematical practices. Feel free to add your own suggestions in the comments!
1.) Make sense of problems and persevere in solving them. This one does require perseverance at the last step. I swear it’s pretty doable until then. And even then it’s doable.
8.) Look for and express regularity in repeated reasoning. Is it possible to make this with fewer than 12 pieces? Is there anything magic about 12 here?
arbitrarilyclose 
That’s really cool 😎
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