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Negative integer multiplication

Teaching Transcript

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Let's multiply negative 3 by negative 5

We know that 3 times 5 equals 15

To find the sign, remember that negative times negative is a positive. Negative time a positive, or positive times negative, would be negative. We have two negatives, so our answer will be positive

So, our answer is a positive 15

This math skill teaches how to multiply negative integers. It explains that multiplying two negative numbers results in a positive product, while a negative multiplied by a positive, or vice versa, results in a negative product.

Skill Practice

Negative integer multiplication

Test your understanding of negative integer multiplication by practicing it! Work through the below exercises to use it in practice.