Variable expressions Worksheet

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

1 a.  
z – (–7)  , when z = 3
4
   
 
 
 
 
1 b.   n – 2 + g, when n = –7 and g = 0
   
 
 
 
 
2 a.   u – 3 + p, when u = –7 and p = 7
   
 
 
 
 
2 b.   n2, when n = 2
   
 
 
 
 
3 a.  
r – 5  , when r = –6
3
   
 
 
 
 
3 b.   ns, when n = 10 and s = 0
   
 
 
 
 
4 a.  
w – (–5)  , when w = –5
2
   
 
 
 
 
4 b.  
g – 8  , when g = –7
2
   
 
 
 
 
5 a.  
x – (–5)  , when x = –1
6
   
 
 
 
 
5 b.  
r – 8  , when r = 8
8
   
 
 
 
 
Page 2

Answer Key

1 a.  2 1/2

 
1 b.  -9

 
2 a.  -3

 
2 b.  4

 
3 a.  -3 2/3

 
3 b.  10

 
4 a.  0

 
4 b.  -7 1/2

 
5 a.  2/3

 
5 b.  0

 


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