Year: 2014

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.

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

Posted in Grow