Mastering Integer Operations

Front

*Front:* Integer

Back

number, positive or negative, including zero

Front

*Front:* Addition Rule

Back

signs: add and keep the sign; different signs: subtract and keep the sign of the larger absolute value

Front

Back

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Front

*Front:* Subtraction Rule

Back

the opposite (additive inverse)

Front

Back

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Front

*Front:* Multiplication Rule

Back

signs: positive result; different signs: negative result

Front

Back

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Front

*Front:* Division Rule

Back

signs: positive result; different signs: negative result

Front

Back

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Front

*Front:* Commutative Property

Back

doesn't matter (applies to addition and multiplication)