Multiplying with Negatives

Multiplying with Negatives

By Robert McLean

Multiple Choice

4 x 5 =

• 9

• 20

• 16

• 25

Multiple Choice

5 + 5 + 5 + 5 =

• 5

• 10

• 15

• 20

​Multiplication is a short cut for repeated addition.

​

4 x 5 = 5 + 5 + 5 + 5​

Multiple Choice

4 + 4 + 4 =

• 3 x 4

• 2 x 4

• 4 x 4

• 3 x 3

The same thing happens with negative numbers.

​

​-2 + -2 + -2 = -6

​

​3 x -2 = -6

Multiple Choice

-2 + -2 + -2 + -2 =

• -4

• -6

• -8

• -10

Multiple Choice

4 x -2 =

• -4

• -6

• -8

• -10

​Multiplying with negatives will give the same number result as normal, but the answer will be negative if one of the numbers is negative.

Multiple Choice

3 x -5 =

• 15

• -15

• 8

• -8

Multiple Choice

10 x -2 =

• 12

• -12

• 20

• -20

Multiple Choice

6 x -2 =

• -4

• 4

• -12

• 12

Multiple Choice

What happens when you have two negatives?

-2 x -4 =

• 8

• -8

• 6

• -6

​When multiplying with two negatives the result will be a positive.

​

-2 x -5 = 10

​

Whereas one negative will give a negative answer.

​

-2 x 5 = -10​

Multiple Choice

When multiplying with two negatives the result will be a positive.

-3 x -4 =

• 7

• -7

• 12

• -12

Multiple Choice

When multiplying with two negatives the result will be a positive.

-7 x -1 =

• 7

• -7

• 12

• -12

Multiple Choice

-6 x -3 =

• -18

• 18

• 9

• -9

Multiple Choice

Multiplying with one negative will give a negative answer.

-2 x 7 =

• -14

• 14

• -9

• 9

Multiple Choice

Multiplying with one negative will give a negative answer.

-3 x 3 =

• -14

• 14

• -9

• 9

Multiple Choice

Multiplying with two negatives will give a positive answer.

-3 x -3 =

• -14

• 14

• -9

• 9

Multiple Choice

Multiplying with two negatives will give a _______ answer.

• negative

• positive

Multiple Choice

Multiplying with one negative will give a _______ answer.

• negative

• positive

Multiple Choice

Multiplying with two negatives will give a _______ answer.

• negative

• positive