Month: January 2014
Math mind hacks: Guesstimate
Photo from Technology Rich Inquiry Based Research. Estimation is a skill everyone uses. You estimate how much cheese is enough for your party, or how long it takes you to drive to your friend’s house. But some people estimate much…
Posted in Grow
Math goggles: subitizing, unitizing, counting
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
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
