5 Tutorials that teach Addition and Subtraction in Equations
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Addition and Subtraction in Equations
Common Core: 6.EE.7 7.EE.1 A.REI.1

Addition and Subtraction in Equations

Author: ChristinaPease
This lesson explores the idea of isolating a variable by adding the inverse of the value to obtain a value of zero.
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Source: Video created by ChristinaPease