Variable expressions Worksheet

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

1 a.   t6, when t = 8
   
 
 
 
 
1 b.   w + x, when w = 10 and x = 6
   
 
 
 
 
2 a.   t – 4, when t = 5
   
 
 
 
 
2 b.   3 – s, when s = 5
   
 
 
 
 
3 a.   x – 2, when x = 8
   
 
 
 
 
3 b.   t3, when t = 1
   
 
 
 
 
4 a.   u + 6, when u = 6
   
 
 
 
 
4 b.  
10 , when w = 9
w
   
 
 
 
 
5 a.   r + x + 4, when r = 6 and x = 6
   
 
 
 
 
5 b.   k2, when k = 3
   
 
 
 
 
Page 2

Answer Key

1 a.  262144

 
1 b.  16

 
2 a.  1

 
2 b.  -2

 
3 a.  6

 
3 b.  1

 
4 a.  12

 
4 b.  1 1/9

 
5 a.  16

 
5 b.  9

 


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