Description: Example 39: Solving subtraction equations of the form x - (-a) = b using algebra tiles.
Grade Range: 6-12, college developmental math
Curriculum Standards: CCSS.Math .Content. 6.NS.C.6a, CCSS.Math. Content. 6.EE.B.5, CCSS.Math. Content. 7.EE.B.3
Copyright: ©2013
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