math goggles

One to one hundred: a series of posters from Mark Gonyea

Mark Gonyea 100 patterns

Mark Gonyea is an artist and graphic designer who recently crowd-funded an inventive and elegant series of 100-charts. The artwork caught my eye because the patterns were both adventurous and algebraic. Want to borrow my math goggles? Go on a scavenger hunt within the posters to find these mathematical structures: Arrays Star sheafs and star […]

Posted in Make

Math goggles: subitizing, unitizing, counting

Does instant recognition of numbers undermine the number sense?

Math goggles help you notice math everywhere. Here is something to notice: mathematics is not about numbers, it’s about patterns. When mathematicians deal with numbers, they use systems and formulas. Young mathematicians can start learning this wizardry from simple visual patterns. Here is an elegant game for kids who are exploring quantities. The goal is to […]

Posted in Grow

Math goggles: tasty sphere packing around the world

Sphere Packing

Math goggles help you notice math everywhere. Maria João Lagarto has great math goggles when she makes adventurous Pinterest collections. For this post, I selected examples of round fruits, confections, and other morsels packed into triangles, pyramids, or cones. Even the Wikipedia article on sphere packing uses a pyramid of oranges! I used to play with a […]

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Math goggles: making “What if?..” collages

What if: Ratio collages

Math Goggles help you notice math everywhere. What if we had a planet for our moon? What if we had tiny hands at our fingertips? Photo sources: the skies; the hands; eye/mouth; the duck.   Asking “What if?..” about everything is one of the main ways people create mathematics. What if you kept counting backwards past […]

Posted in Grow