Tags » Spatial Reasoning

Corners of a Cube

All corners were sliced off a cube whose volume was cubic centimeters. Triangular faces are located where the cube’s vertices were. Each triangle is equilateral with -centimeter sides. 50 more words

Problem Solving

Taking a Finger Walk (Age 6)

The Activities

  1. Topic: Puzzles: Book: Taro Gomi’s Playful Puzzles for Little Hands.  We’re most of the way through now, probably one circle left of puzzles.
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Circle 2

Reasoning about Rotations

I got some Sqairs to try out. Four of them. My kid wanted to play, and I wanted to figure out how these things work. 289 more words

Math Ed

TEDx Talk: Jump into math!

My upcoming book reminds us that the body is best positioned as a thinking tool, that math is about more than memorization, and that amazing things can happen when the body and math come together in both dance and non-dance settings. 101 more words

Math Ed

Unifix Estimating (Age 6)

The Activities

  1. Topic: Estimating. Book: Betcha! by Murphy. Two friends walk around town estimating the number of people, cars, and jelly beans they see.
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Circle 2

US Flags

I’ve been on my travels recently in the United States. I was staying with some friends in Arizona and they had this flag on the wall.   303 more words


#BlueTapeLounge at #TMC16

Perhaps my very favorite moment at Twitter Math Camp was setting up the Blue Tape Lounge for some informal after hours Math in Your Feet… 249 more words

Math Ed