Variable expressions Worksheet

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

1 a.   y + g + 2, when y = 10 and g = 4
   
 
 
 
 
1 b.   vb, when v = 5 and b = 6
   
 
 
 
 
2 a.   x3, when x = 9
   
 
 
 
 
2 b.   r3, when r = 2
   
 
 
 
 
3 a.   w5, when w = 4
   
 
 
 
 
3 b.   7 – b, when b = 1
   
 
 
 
 
4 a.   u + 4 + x, when u = 2 and x = 6
   
 
 
 
 
4 b.   z + 2 + v, when z = 1 and v = 9
   
 
 
 
 
5 a.  
k , when k = 3
7
   
 
 
 
 
5 b.   5 y, when y = 8
   
 
 
 
 
Page 2

Answer Key

1 a.  16

 
1 b.  -1

 
2 a.  729

 
2 b.  8

 
3 a.  1024

 
3 b.  6

 
4 a.  12

 
4 b.  12

 
5 a.  3/7

 
5 b.  40

 


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