Variable expressions Worksheet

Evaluate the expressions for the given values of the variable(s).

1 a.   3 z w, when z = 5 and w = 9
   
 
 
 
 
1 b.  
r – 4  , when r = 10
4
   
 
 
 
 
2 a.   d + s, when d = 5 and s = 3
   
 
 
 
 
2 b.   n + 5, when n = 6
   
 
 
 
 
3 a.  
b – 5  , when b = 10
9
   
 
 
 
 
3 b.  
d – 4  , when d = 9
3
   
 
 
 
 
4 a.   c + 5, when c = 2
   
 
 
 
 
4 b.  
u – 5  , when u = 7
10
   
 
 
 
 
5 a.  
x – 8  , when x = 10
2
   
 
 
 
 
5 b.  
a – 3  , when a = 4
2
   
 
 
 
 
Page 2

Answer Key

1 a.  135

 
1 b.  1 1/2

 
2 a.  8

 
2 b.  11

 
3 a.  5/9

 
3 b.  1 2/3

 
4 a.  7

 
4 b.  1/5

 
5 a.  1

 
5 b.  1/2

 


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