Multiplying integers 3(3) = (3) = (3) = (3) = 0 -3

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Presentation transcript:

Multiplying integers 3(3) = 9 -3 2(3) = 6 -3 1(3) = 3 -3 0(3) = 0 -3 -1(3) = -3 -3 -2(3) = -6

Multiplying integers 3(4) = 12 -4 2(4) = 8 -4 1(4) = 4 -4 0(4) = 0 -4 -1(4) = -4 -4 -2(4) = -8

Multiplying integers + + + = + = + =

Multiplying integers -5(2) = -10 +5 -5(1) = -5 +5 -5(0) = 0 +5 -5(-1) = 5 +5 -5(-2) = 10

Multiplying integers + + + = + = + = + =

Multiplying integers Same signs = Positive Different signs = Negative https://youtu.be/DG0mWUFFiJo

Multiplying integers 1(-2) = -2 -6(-3) = 18 On your own, try # 3, 4, 5

Let’s try the rules -6 • 3 = -18 -5 • -7 = 35 4 • -9 = -36 3 • 7 = 21

-9 • -3 = 27 8 • -4 = -32 -4 • 6= -24 -5 • -3 = 15 -8 • 7 = -56 9 • 7 = 63 3 • -4 = -12 -18 • 10= -180 2 • -8 = -16 -25 • 6 = -150

Worksheet A/B #1-11 odd