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Multiplication and Division of Integers
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Share out… If your partner had an idea about multiplying or dividing with negative numbers, please share their thought. Hey- your idea was great!
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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
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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
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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
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Reminder: Equal means it works both ways!
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/ (4)(-7) (-2) / First, (4)(-7) = - 28 / Finish it! (-28) (-2) / (4)(-7) (-2) / First, (4)(-7) = - 28 / Finish it! (-28) (-2) Answer: 14
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(-56 7) - 2 5 - 7 -6 = 4 = 210 = - 135
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