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Rules for Multiplying and Dividing Integers

Learn the rules for multiplying and dividing integers and see examples with same and different signs. Watch the Multiplying and Dividing Integer Song in class!

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Rules for Multiplying and Dividing Integers

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  1. Title of Notes: Multiplying and Dividing Integerspg. 9 RS

  2. Rules for Multiplying Integers • Multiply the numbers • Same signs, answer is positive. • Different signs, answer is negative. Rules for Dividing Integers • Divide the numbers • Same signs, answer is positive. • Different signs, answer is negative.

  3. Examples with Multiplication • 5 × 4 = • 5 × -4 = • -5 × -4 = • -5 × 4 = 20 (Same signs, answer is positive) -20 (Different signs, answer is negative) 20 (Same signs, answer is positive) -20 (Different signs, answer is negative)

  4. Examples with Division • 21 ÷ 3 = • 21 ÷ -3 = • -21 ÷ -3 = • -21 ÷ 3 = 7 (Same signs, answer is positive) -7 (Different signs, answer is negative) 7 (Same signs, answer is positive) -7 (Different signs, answer is negative)

  5. WE WILL WATCH IN CLASS! Multiplying and Dividing Integer Song 2:20 minutes

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