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Equations on a page won't always add up to comprehension---offer your kids hands-on illustrations of math operations! From basic number relations to beginning algebraic equations to laws of arithmetic, this ingenious manipulative helps your students grasp abstract mathematical concepts by transforming them into concrete actions they can see. Includes 8.5'-tall plastic balance, twenty 10-gram weights, labels, and instruction booklet. Ages 6 to 11.
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