#MathArtChallenge Day 1: Tons of triangles

The #MathArtChallenge is just a fun, simple way to engage our brains during this time of unease. All tasks are low tech: paper, pencil, maybe string. Nothing fancy. I would LOVE to see what you come up with. Post on social media with the hashtag #MathArtChallenge!

THE CHALLENGE: Draw as many connected triangles as you can. Goal is to have as many vertices with 7 triangles as possible.

MATERIALS NEEDED: writing utensil, writing surface (paper, whiteboard, whatever!)

UPDATE (4/3) Here’s a quick video tutorial after lots of requests for help in the comments: http://www.youtube.com/watch?v=1ObGkAqoN-Q

Day1 MAC



Author: Annie Perkins

Math Teacher in Minneapolis, MN.

38 thoughts on “#MathArtChallenge Day 1: Tons of triangles”

    1. Start with a vertex (point, dot, as you like). From that dot, draw 7 lines coming off of it. Connect the ends of each of those lines to make triangles. Every time you have 2 or more lines meet, that’s a new vertex. To get this specific type of design, you want to try to make all vertices have 7 lines (edges), and to always make triangles when you can. There’s a nice (slower!) tutorial in this video: https://www.youtube.com/watch?v=xu-RSUGBgpA


    1. because math is visual and is more art than science. This is about geometry and spatial sense and, proportionality among other things. Math isn’t just about operations my friend. This is a great task!


  1. Questions for my students: I wonder if it would be easier to draw 3 triangles around each vertex instead? or 4 triangles around each vertex? 5? 6? 8?


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