Variable expressions Worksheet

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

1 a.   u – 3 + a, when u = 2 and a = 9
   
 
 
 
 
1 b.  
s – 7  , when s = 4
8
   
 
 
 
 
2 a.   t + 2 + b, when t = 3 and b = 9
   
 
 
 
 
2 b.   xp – 8, when x = 10 and p = 2
   
 
 
 
 
3 a.  
k – 6  , when k = 9
4
   
 
 
 
 
3 b.  
k – 5  , when k = 9
3
   
 
 
 
 
4 a.  
x – 8  , when x = 10
8
   
 
 
 
 
4 b.   4 c x, when c = 8 and x = 7
   
 
 
 
 
5 a.  
b – 2  , when b = 10
8
   
 
 
 
 
5 b.  
g – 7  , when g = 1
10
   
 
 
 
 
Page 2

Answer Key

1 a.  8

 
1 b.  -3/8

 
2 a.  14

 
2 b.  0

 
3 a.  3/4

 
3 b.  1 1/3

 
4 a.  1/4

 
4 b.  224

 
5 a.  1

 
5 b.  -3/5

 


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