Variable expressions Worksheet

Evaluate the expressions for the given values of the variable(s).

1 a.   n3, when n = 1
   
 
 
 
 
1 b.   n3, when n = 4
   
 
 
 
 
2 a.   2 – b, when b = 3
   
 
 
 
 
2 b.   r3, when r = 4
   
 
 
 
 
3 a.   z + 4, when z = 1
   
 
 
 
 
3 b.   p + d, when p = 6 and d = 4
   
 
 
 
 
4 a.   w2, when w = 5
   
 
 
 
 
4 b.   r – 2, when r = 7
   
 
 
 
 
5 a.   q3, when q = 10
   
 
 
 
 
5 b.   n + 3, when n = 10
   
 
 
 
 
Page 2

Answer Key

1 a.  1

 
1 b.  64

 
2 a.  -1

 
2 b.  64

 
3 a.  5

 
3 b.  10

 
4 a.  25

 
4 b.  5

 
5 a.  1000

 
5 b.  13

 


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