Multiply Negative Numbers

(-4)(6) 

• -24

• 24

(-9)(-8)

• -72

• 72

Solve. Rules for multiplying:

Negative x Negative = Positive

Negative x Positive = Negative

Solve. Hint: Change the fraction to a decimal first.

Rules for multiplying:

Negative x Negative = Positive

Negative x Positive = Negative

(-5) x 7

• 30

• -30

• -35

• 35

3 × −4

• 12

• -12

• 1

• -1

9 x (-3)

• 27

• 36

• -36

• -27

7 x (-10)

4 x (-2) x 5

9 x (-9) = 

• -18

• 81

• -81

• 0