Variable expressions Worksheet

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

1 a.  
p – 8  , when p = 2
6
   
 
 
 
 
1 b.  
u – 1  , when u = 9
8
   
 
 
 
 
2 a.  
a – (–8)  , when a = 3
3
   
 
 
 
 
2 b.  
d – (–2)  , when d = 5
10
   
 
 
 
 
3 a.  
u – 2  , when u = –10
8
   
 
 
 
 
3 b.  
–7 – x  , when x = –8
8
   
 
 
 
 
4 a.  
r – 2  , when r = –9
4
   
 
 
 
 
4 b.  
n – 5  , when n = 9
4
   
 
 
 
 
5 a.  
4 s  , when s = 6 and a = 8
a
   
 
 
 
 
5 b.  
n – 1  , when n = 9
3
   
 
 
 
 
Page 2

Answer Key

1 a.  -1

 
1 b.  1

 
2 a.  3 2/3

 
2 b.  7/10

 
3 a.  -1 1/2

 
3 b.  1/8

 
4 a.  -2 3/4

 
4 b.  1

 
5 a.  3

 
5 b.  2 2/3

 


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