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Integer Addition and Subtraction: Walking the Number Line (2)

Integer Addition and Subtraction: Walking the Number Line (2)

This Java applet, an adaption of "Integer Addition and Subtraction: Walking the Number Line" (cataloged separately) models the addition and subtraction of integers of example expressions by walking a character along a number line. A slider changes the example expression and the check boxes show or can hide the character's walking trail, hints and solutions for the example expressions.

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