Integer Multiplication Division Models

Perform the indicated operation.

-9 ⋅ 12

• -98

• 108

• -118

• -108

Find the product of 9 and -8.

• 1

• -17

• -72

• 72

Perform the indicated operation.

( 12 ) ( -7 ) ( -3 ) ( 0 ) ( -5 )

• -3

• -1,260

• 0

• 1,260

Perform the indicated operation.

54 ÷ -6

• -7

• 9

• -8

• -9

Which division equation is represented by the model?

• -8 ÷ 2 = -4

• -8 ÷ -2 = -4

• -4 ÷ -2 = -8

• -2 ÷ 4 = -8

Which number sentence is represented by this model?

• 3 × (-2) = 6

• 3 × (-2) = -6

• 3 × 2 = 6

• -3 × (-2) = -6

Which division equation is represented by the model? (Hint: the red circle equals -1.)

• 8 / 4 = 2

• -4 / 8 = -2

• -8 / 4 = -2

• -8 / -2 = -4

Which multiplication equation represents this model?

• -20 x -4 = -5

• -5 x -4 = 20

• -4 x -5 = -20

• 4 x -5 = -20

Label the diagram.

g

h

i

f

e

d

c

b

a

6

The opposite of 3 groups of –2.

Two groups of –3.

Two groups of –4

Yellow is positive and red is negative. The model represents which equation.

• -2 x (-2) = 4

• 3 x (-2) = -6

• 2 x (-2) = -4

• -2 x 3 = 6