Class 7 (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

When two positive integers are added, we get

• a positive integer

• a negative integer

• sometimes a positive integer, sometimes a negative integer

• none of these

When two negative integers are added, we get

• a positive integer

• a negative integer

• sometimes a positive integer, sometimes a negative integer

• none of these

Which of the following statements is wrong?

• When a positive integer and a negative integer are added, we always get a negative integer

• Additive inverse of 8 is (-8)

• Additive inverse of (-8) is 8

• For subtraction, we add the additive inverse of the integer that is being subtracted, to the other integer.

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

The product of three negative integers is

• a positive integer

• a negative integer

• either a positive integer or a negative integer

• none of these