Solve 14- (-20)

2

(a)

Solve (-6) - (-16)

2

(a)

State whether the following statement is correct or incorrect. Correct those which are wrong.
Additive inverse of an integer 8 is (-8) and additive inverse of (-8) is 8.

2

(a)

Verify a - (-b) = a + b for the following values of a and b. a= 75, b= 84

2

(a)

Write 3 integers just preceding and just succeeding -7.

2

(a)

Verify the commutative property for addition and subtraction:
-23+ 32and 32+ (-23)

2

(a)

Write down a pair of integers whose: sum is - 7

2

(a)

Write a negative and a positive integer whose sum is -6.

2

(a)

Find 12 x (- 32)

2

(a)

Find 7 x (- 22)

2

(a)

Find (-31) x (-100)

2

(a)

Find each of the following product: (-15) x 0 x (-18)

2

(a)

Verify the following. 18 x [ 7+ (- 3) ] = [ 18 x 7 ] + [ 18 x (- 3) ]

2

(a)

For any integer a. what is (- 1) x a equal to?

2

(a)

Find the values of a and b in following algebraic expressions:
b-2=1

2

(a)