Variable expressions Worksheet

Find the value of the expressions for the given values of the variable(s).

 1 a. 5 k x, when k = 3 and x = 6

1 b.
 10 – 7 d , when d = 2 4

 2 a. 2 d, when d = 1

2 b.
 10 – 5 c , when c = 8 10

 3 a. (3 q + 5)2, when q = 1

3 b.
 4 , when k = 4 k

 4 a. (8 v – 2)3, when v = 2

 4 b. c2, when c = 3

5 a.
 c – 2 , when c = 8 9

 5 b. 7(3 + 10 z), when z = 1

6 a.
 y – 9 , when y = 7 2

6 b.
 3 , when t = 1 t

 7 a. q6, when q = 3

 7 b. 6(6 z + 8), when z = 2

 8 a. 2 – s, when s = 1

 8 b. (6 – 10 a)2, when a = 10

 9 a. 2 c d, when c = 9 and d = 3

9 b.
 9 n + a , when n = 4 9

 10 a. (8 p – 7)3, when p = 1

10 b.
 y – 4 , when y = 7 5

Page 2

 1 a. 90

 1 b. -1

 2 a. 2

 2 b. -3

 3 a. 64

 3 b. 1

 4 a. 2744

 4 b. 9

 5 a. 2/3

 5 b. 91

 6 a. -1

 6 b. 3

 7 a. 729

 7 b. 120

 8 a. 1

 8 b. 8836

 9 a. 54

 9 b. 4 4/9

 10 a. 1

 10 b. 3/5

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