Multiplying Integers The product of two positive or two negative integers is positive. The product of a positive integer and a negative integer is negative.

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Presentation transcript:

Multiplying Integers The product of two positive or two negative integers is positive. The product of a positive integer and a negative integer is negative.

Practice -3x4= -3x3= -3x(-2)= -3x(-3)=

Talk & Share Work with a partner to solve this problem. Harry withdrew $15 from his savings account each week for 4 weeks. Explain why you can express the total change in his account as 4x(-15).

Dividing Integers Divide as with whole numbers. The quotient of two positive or two negative integers is positive. The quotient of a positive integer and a negative integer is negative.

Talk & Share Work with a partner. Compare the rules for dividing integers with the rules for multiplying integers.

Inverse Operations The inverse of multiplication is division. -3x(-6)=18, so 18 / (-3)= -6

Practice 56 / (-14)= -87 / 3= -50 / 2= -51 / 17=