Variable expressions Worksheet

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

1 a.  
a – 3  , when a = 9
3
   
 
 
 
 
1 b.  
4  , when g = 5
8 – g
   
 
 
 
 
2 a.   3 s – 8 c + 8, when s = 2 and c = 2
   
 
 
 
 
2 b.   2 v + 4 t + 6, when v = 6 and t = 9
   
 
 
 
 
3 a.   7 b + 4 g + 3, when b = 10 and g = 2
   
 
 
 
 
3 b.  
6 x + 3  , when x = 7
5
   
 
 
 
 
4 a.  
8 – t  , when t = 4
6
   
 
 
 
 
4 b.   (4 – 10 a)2, when a = 9
   
 
 
 
 
5 a.  
d – 5  , when d = 5
10
   
 
 
 
 
5 b.   (4 + 10 k)3, when k = 9
   
 
 
 
 
Page 2

Answer Key

1 a.  2

 
1 b.  1 1/3

 
2 a.  -2

 
2 b.  54

 
3 a.  81

 
3 b.  9

 
4 a.  2/3

 
4 b.  7396

 
5 a.  0

 
5 b.  830584

 


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