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Inverse Equations 1
Completion of inverse equations. For example, since 8+6=14, 14-6=8.
This topic aligns to the following state standards
Grade 1: Num 3. Describes the related facts that represent a given fact family up to 18 (for example, 9+3=12, 12-9=3, 12-3=9).
Grade 2: Num 2. Knows the related facts that represent the inverse relationships between addition and subtraction.
Grade 3: Num 2. Explains the inverse relationship of addition and subtraction and demonstrates that relationship by writing related fact families.
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