Operations & Algebraic Thinking

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Operations & Algebraic Thinking

These interactive pan balances allow shapes, or numeric or algebraic expressions to be entered and compared. You can "weigh" the expressions you want to compare by entering them on either side of the balance. Using this interactive tool, you can practice arithmetic and algebraic skills, and investigate the important concept of equivalence. Pan Balance - Shapes Pan Balance - Numbers Pan Balance - Expressions  Model word problems with interactive blocks.  Thinking Blocks