ZeroSum Ruler (home)

Blogging on math education and other related things

I can read your mind! (well, Algebra can :) January 9, 2011

If you have a good handle on your Algebra, you can read anyone’s mind!  This video (click the red triangle to go to the YouTube video) is just one case where I can read your mind straight through the computer! It’s true!   Can you develop an algebra trick that reads your friend’s mind? I bet you can!

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