Variable expressions Worksheet

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

1 a.  
a – 3  , when a = 9
6
   
 
 
 
 
1 b.  
c – 5  , when c = 5
6
   
 
 
 
 
2 a.   c3, when c = 3
   
 
 
 
 
2 b.   p – 5, when p = 3
   
 
 
 
 
3 a.   2 + r, when r = 5
   
 
 
 
 
3 b.   v5, when v = 1
   
 
 
 
 
4 a.  
q – 2  , when q = 1
10
   
 
 
 
 
4 b.  
p – 5  , when p = 5
5
   
 
 
 
 
5 a.  
p – 3  , when p = 5
8
   
 
 
 
 
5 b.  
z – 6  , when z = 10
5
   
 
 
 
 
Page 2

Answer Key

1 a.  1

 
1 b.  0

 
2 a.  27

 
2 b.  -2

 
3 a.  7

 
3 b.  1

 
4 a.  -1/10

 
4 b.  0

 
5 a.  1/4

 
5 b.  4/5

 


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