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|Don Cohen (The Mathman)|
|Make equations or open sentences true by guessing. Equations with X's on both sides; quadratic equations (11 ways to solve a quadratic equation); using balance pictures to solve equations. Sample problems with some answers from Chapter 8 of Don Cohen's worksheet book.|
|Levels:||Elementary, Middle School (6-8), High School (9-12)|
|Resource Types:||Lesson Plans and Activities, Problems/Puzzles|
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