Variable expressions Worksheet

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

1 a.  
r – 7  , when r = 10
9
   
 
 
 
 
1 b.   5 – s, when s = 4
   
 
 
 
 
2 a.  
q – 4  , when q = 5
8
   
 
 
 
 
2 b.   a3, when a = 1
   
 
 
 
 
3 a.   g4, when g = 4
   
 
 
 
 
3 b.  
r – 8  , when r = 6
4
   
 
 
 
 
4 a.   5 + p, when p = 7
   
 
 
 
 
4 b.  
u – 7  , when u = 10
5
   
 
 
 
 
5 a.   3 k, when k = 6
   
 
 
 
 
5 b.   v5, when v = 1
   
 
 
 
 
Page 2

Answer Key

1 a.  1/3

 
1 b.  1

 
2 a.  1/8

 
2 b.  1

 
3 a.  256

 
3 b.  -1/2

 
4 a.  12

 
4 b.  3/5

 
5 a.  18

 
5 b.  1

 


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