Variable expressions Worksheet

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

1 a.  
c – 3  , when c = 10
3
   
 
 
 
 
1 b.  
a – 2  , when a = 2
9
   
 
 
 
 
2 a.   (6 c – 5 g)2, when c = 1 and g = 9
   
 
 
 
 
2 b.  
8 s  , when s = 7
2
   
 
 
 
 
3 a.  
9 tb  , when t = 7 and b = 8
9
   
 
 
 
 
3 b.  
5 s  , when s = 4 and p = 8
p2
   
 
 
 
 
4 a.  
n – 5  , when n = 6
7
   
 
 
 
 
4 b.  
u – 3  , when u = 10
5
   
 
 
 
 
5 a.  
q – 2  , when q = 2
10
   
 
 
 
 
5 b.   8(7 t – 5), when t = 7
   
 
 
 
 
Page 2

Answer Key

1 a.  2 1/3

 
1 b.  0

 
2 a.  1521

 
2 b.  28

 
3 a.  6 1/9

 
3 b.  5/16

 
4 a.  1/7

 
4 b.  1 2/5

 
5 a.  0

 
5 b.  352

 


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