Variable expressions Worksheet

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

1 a.   k + z + 8, when k = 8 and z = 8
   
 
 
 
 
1 b.   b6, when b = 10
   
 
 
 
 
2 a.   k5, when k = –2
   
 
 
 
 
2 b.   8 s x, when s = –10 and x = 2
   
 
 
 
 
3 a.   c – 3, when c = –10
   
 
 
 
 
3 b.   2 v, when v = –2
   
 
 
 
 
4 a.   z + a + 9, when z = 3 and a = 6
   
 
 
 
 
4 b.   ay, when a = –4 and y = –5
   
 
 
 
 
5 a.   x + 10, when x = 7
   
 
 
 
 
5 b.   8 – n, when n = –6
   
 
 
 
 
Page 2

Answer Key

1 a.  24

 
1 b.  1000000

 
2 a.  -32

 
2 b.  -160

 
3 a.  -13

 
3 b.  -4

 
4 a.  18

 
4 b.  1

 
5 a.  17

 
5 b.  14

 


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