- How to count up to 99 on two hands.
- Finger tricks for multiplying (a trick for multiplying by nine [at least, 9x 1-10] on your fingers, and two tricks for multiplying one and two digit numbers on your fingers).
- Ethiopian multiplication (ridiculously cool).
Sunday, November 02, 2014
More math tricks
Here are several items/links I wanted to remember as I try to teach kids in the Blanton Elementary math pentathlon team a few tricks to make (dreaded) multiplication less scary.