Variable expressions Worksheet

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

1 a.  
g – 8  , when g = 8
3
   
 
 
 
 
1 b.   y + 3 + t, when y = 2 and t = 8
   
 
 
 
 
2 a.   qz, when q = 8 and z = 7
   
 
 
 
 
2 b.   p + 8, when p = 2
   
 
 
 
 
3 a.  
q – 6  , when q = 10
6
   
 
 
 
 
3 b.  
b – 7  , when b = 3
2
   
 
 
 
 
4 a.  
v – 4  , when v = 9
7
   
 
 
 
 
4 b.   n2, when n = 3
   
 
 
 
 
5 a.   b2, when b = 8
   
 
 
 
 
5 b.  
r – 7  , when r = 4
6
   
 
 
 
 
Page 2

Answer Key

1 a.  0

 
1 b.  13

 
2 a.  1

 
2 b.  10

 
3 a.  2/3

 
3 b.  -2

 
4 a.  5/7

 
4 b.  9

 
5 a.  64

 
5 b.  -1/2

 


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