Class 7 MATH WHIZ

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

• move to the right

• b) move to the left

• (c) do not move at all

• (d) none of these

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

• (a) move to the right

• (b) move to the left

• c) do not move at all

• (d) none of these

When two negative integers are added, we get

• a negative integer

• a positive integer

• sometimes a positive integer, sometimes a negative integer

• none of these

Which of the following statement is wrong?

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

• (b) Additive inverse of 8 is (- 8)

• (c) Additive inverse of (- 8) is 8

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

Which of the following is true?

• (а) (- 8) + (- 4) > (- 8) – (- 4)

• (b) (- 8) + (- 4) < (- 8) – (- 4)

• (c) (- 8) + (- 4) = (- 8) – (- 4)

• (d) none of these

The product of two negative integers is

• (a) either a positive integer or a negative integer

• (b) a negative integer

• (c) a positive integer

• None of these

(- 20) × (- 5) is equal

• (a) 100

• (b) – 100

• (c) 20

• (d) 5

(- 10) × 0 × (- 15) is equal to

• (a) 150

• (b) 10

• (c) 15

• (d) 0

10 ÷ (- 5) is equal to

• (a) 1

• (b) 2

• (c) -2

• (d) 5

(- 6) ÷ (- 3) is equal to

• (a) 1

• (b) 3

• (c) 2

• (d) 6