Variable expressions Worksheet

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

1 a.  
t – 2  , when t = 8
6
   
 
 
 
 
1 b.   3(2 + 7 w), when w = 6
   
 
 
 
 
2 a.   (9 w – 6)4, when w = 1
   
 
 
 
 
2 b.  
x – 8  , when x = 1
2
   
 
 
 
 
3 a.   5(5 t – 8), when t = 3
   
 
 
 
 
3 b.  
7  , when n = 2
8 n
   
 
 
 
 
4 a.   (2 g – 7 p)2, when g = 1 and p = 5
   
 
 
 
 
4 b.  
x – 7  , when x = 4
3
   
 
 
 
 
5 a.  
d – 4  , when d = 6
7
   
 
 
 
 
5 b.   (3 + 9 n)2, when n = 4
   
 
 
 
 
Page 2

Answer Key

1 a.  1

 
1 b.  132

 
2 a.  81

 
2 b.  -3 1/2

 
3 a.  35

 
3 b.  7/16

 
4 a.  1089

 
4 b.  -1

 
5 a.  2/7

 
5 b.  1521

 


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