Addition, Subtraction, Multiplication, Division of Integers

On a number line, when we add a positive integer, we

• move to the right

• move to the left

• do not move at all

• none of these.

On a number line, when we add a negative integer, we

• move to the right

• move to the left

• do not move at all

• none of these.

On a number line, when we subtract a positive integer, we

• move to the right

• move to the left

• do not move at all

• none of these.

On a number line, when we subtract a negative integer, we

• move to the right

• move to the left

• do not move at all

• none of these.

23 - 47 + 18 - (-12) =

• 6

• -18

• 56

Which of the following is true?

• (- 8) + (- 4) > (- 8) – (- 4)

• (- 8) + (- 4) < (- 8) – (- 4)

• (-8) + (- 4) = (- 8) – (- 4)

• none of these.

The product of two negative integers is

• a positive integer

• a negative integer

• either a positive integer or a negative integer

• none of these.

Multiplication of 3 and -4

3 x -4

• -7

• 12

• -12

• 7

-18 ÷2 gives

• 36

• 9

• -16

• -9

Integers are closed under which operations. Select all that apply.

• Addition

• Subtraction

• Multiplication

• Division