Variable expressions Worksheet

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

1 a.   3 u, when u = 8
   
 
 
 
 
1 b.   z3, when z = 3
   
 
 
 
 
2 a.  
a – 3  , when a = 4
10
   
 
 
 
 
2 b.  
7 , when a = 4
a
   
 
 
 
 
3 a.   tp – 7, when t = 7 and p = 1
   
 
 
 
 
3 b.  
g – 5  , when g = 4
9
   
 
 
 
 
4 a.  
r – 6  , when r = 2
4
   
 
 
 
 
4 b.   2 c, when c = 9
   
 
 
 
 
5 a.   8 – b, when b = 8
   
 
 
 
 
5 b.  
c – 5  , when c = 5
4
   
 
 
 
 
Page 2

Answer Key

1 a.  24

 
1 b.  27

 
2 a.  1/10

 
2 b.  1 3/4

 
3 a.  -1

 
3 b.  -1/9

 
4 a.  -1

 
4 b.  18

 
5 a.  0

 
5 b.  0

 


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