Variable expressions Worksheet

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

1 a.   b + x, when b = 8 and x = 27
   
 
 
 
 
1 b.   37 – p, when p = 40
   
 
 
 
 
2 a.   z – 6, when z = 1
   
 
 
 
 
2 b.   g + 29, when g = 21
   
 
 
 
 
3 a.   z6, when z = 36
   
 
 
 
 
3 b.   xa – 21, when x = 15 and a = 38
   
 
 
 
 
4 a.   b + t + 15, when b = 47 and t = 27
   
 
 
 
 
4 b.  
s , when s = 35
29
   
 
 
 
 
5 a.   r3, when r = 7
   
 
 
 
 
5 b.   x3, when x = 5
   
 
 
 
 
Page 2

Answer Key

1 a.  35

 
1 b.  -3

 
2 a.  -5

 
2 b.  50

 
3 a.  2176782336

 
3 b.  -44

 
4 a.  89

 
4 b.  1 6/29

 
5 a.  343

 
5 b.  125

 


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