Identify the problem with negative numbers as its answer:

(a)

-9 + (-5) + 6

(b)

8 + (-12) - 6

(c)

-4 + 2 + 10

(d)

10 + 9 (-4) + 8

(-8) + 10 + (-2) = ____

(a)

2

(b)

8

(c)

0

(d)

20

(-5) - (-18) = ____

(a)

23

(b)

-13

(c)

13

(d)

-23

Which of the following expressions is equal to –30.

(a)

–20 – (–5 x 2)

(b)

(6 x 10) – (6 x 5)

(c)

(2 x 5) + (4 x 5)

(d)

(–6) x (+5)

11 x (–1) = _____

(a)

-1

(b)

0

(c)

+1

(d)

–11

(-2) x −(-9) =_____

(a)

108

(b)

-108

(c)

+1

(d)

-1

Which of the following does not represent an Integer?

(a)

0 ÷ (-7)

(b)

20 ÷ (−4)

(c)

(-9) ÷ 3

(d)

(12) ÷ 5

(−16) ÷ 4 is the same as

(a)

- (-16 ÷ 4)

(b)

−(16) ÷ (-4)

(c)

16 ÷ (-4)

(d)

−4 ÷ 16

(−200) ÷ 10 is

(a)

20

(b)

-20

(c)

-190

(d)

210

The set of integers is not closed under

(a)

Addition

(b)

Subtraction

(c)

Multiplication

(d)

Division