Variable expressions Worksheet

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

1 a.   w5, when w = 8
   
 
 
 
 
1 b.   y2, when y = 8
   
 
 
 
 
2 a.   uy, when u = 9 and y = 5
   
 
 
 
 
2 b.   tk, when t = 10 and k = 1
   
 
 
 
 
3 a.  
7 , when s = 7
s
   
 
 
 
 
3 b.   r5, when r = 5
   
 
 
 
 
4 a.   4 – v, when v = 4
   
 
 
 
 
4 b.   z – 10 + v, when z = 2 and v = 2
   
 
 
 
 
5 a.   10 v n, when v = 7 and n = 5
   
 
 
 
 
5 b.   z – 3, when z = 9
   
 
 
 
 
Page 2

Answer Key

1 a.  32768

 
1 b.  64

 
2 a.  4

 
2 b.  9

 
3 a.  1

 
3 b.  3125

 
4 a.  0

 
4 b.  -6

 
5 a.  350

 
5 b.  6

 


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