Variable expressions Worksheet

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

1 a.   b + n, when b = 4 and n = 4
   
 
 
 
 
1 b.   28 – n, when n = 33
   
 
 
 
 
2 a.   y2, when y = 22
   
 
 
 
 
2 b.   z + v, when z = 50 and v = 3
   
 
 
 
 
3 a.   t3, when t = 38
   
 
 
 
 
3 b.  
a , when a = 46
42
   
 
 
 
 
4 a.   45 k y, when k = 32 and y = 4
   
 
 
 
 
4 b.   33 – w, when w = 3
   
 
 
 
 
5 a.   k + 48 + w, when k = 47 and w = 3
   
 
 
 
 
5 b.   23 r, when r = 25
   
 
 
 
 
Page 2

Answer Key

1 a.  8

 
1 b.  -5

 
2 a.  484

 
2 b.  53

 
3 a.  54872

 
3 b.  1 2/21

 
4 a.  5760

 
4 b.  30

 
5 a.  98

 
5 b.  575

 


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