Description: Example 19: Solving x + a = b using algebra tiles, under the following conditions: a < 0, b < 0, solution is positive.
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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