Mathematical Opposites

Mathematical Opposites

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Positive vs. Negative: Multiplication

• Positive times positive is positive

• Negative times negative is positive

• Positive times negative is negative

Positive vs. Negative: Addition

• Positive plus positive is positive

• Negative plus negative is negative

• Positive plus negative is positive if the positive is larger, negative if the negative is larger

Opposite Operations

• Adding

• Multiplying

• Squaring

Opposite Operations Cancel