Multiplication and Division of Integers Share out… If your partner had an idea about multiplying or dividing with negative numbers, please share their.

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Presentation transcript:

Multiplication and Division of Integers

Share out… If your partner had an idea about multiplying or dividing with negative numbers, please share their thought. Hey- your idea was great!

Here’s a way I can Remember! / To remember whether your answer will be positive or negative when MULTIPLYING or DIVIDING, we’ll use: Mr. Multiplivision

When multiplying Integers, cover the Two signs you are using Ex.: 5 (-3) What sign is left uncovered? Negative, - That is the sign of The answer = -15 Choral Response

Practice … under time! (-10)(3) = 20  -5 = -12  -6 = (raffle tickets…)

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Division Good News: It’s not any different! Ex.: -48  (-4) = + 12

Reminder: Equal means it works both ways! 

/ (4)(-7)  (-2) / First, (4)(-7) = - 28 / Finish it! (-28)  (-2) / (4)(-7)  (-2) / First, (4)(-7) = - 28 / Finish it! (-28)  (-2) Answer: 14

(-56  7)   - 7  -6 = 4 = 210 = - 135