Variable expressions Worksheet

Evaluate the expressions for the given values of the variable(s).

 1 a. x + 7 + z, when x = 6 and z = 9

 1 b. t – 8 + w, when t = 1 and w = 7

 2 a. 10 z b, when z = 8 and b = 3

2 b.
 10 – 7 d , when d = 5 10

3 a.
 w – 5 , when w = 9 5

3 b.
 6 g , when g = 8 6

 4 a. (3 q – 7)3, when q = 7

4 b.
 q – 7 , when q = 8 9

 5 a. 8 x s, when x = 9 and s = 7

5 b.
 b – 9 , when b = 3 4

 6 a. x – 4 + z, when x = 8 and z = 2

6 b.
 z – 9 , when z = 3 5

7 a.
 x – 9 , when x = 5 2

7 b.
 z – 6 , when z = 9 6

8 a.
 r – 5 , when r = 2 2

8 b.
 g – 5 , when g = 5 7

 9 a. k – 2 + d, when k = 6 and d = 3

 9 b. (10 n – 4)2, when n = 7

 10 a. 8 – t, when t = 5

10 b.
 b – 7 , when b = 10 8

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# Answer Key

 1 a. 22

 1 b. 0

 2 a. 240

 2 b. -2 1/2

 3 a. 4/5

 3 b. 8

 4 a. 2744

 4 b. 1/9

 5 a. 504

 5 b. -1 1/2

 6 a. 6

 6 b. -1 1/5

 7 a. -2

 7 b. 1/2

 8 a. -1 1/2

 8 b. 0

 9 a. 7

 9 b. 4356

 10 a. 3

 10 b. 3/8

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