Variable expressions Worksheet

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

1 a.   r – 39 + d, when r = 5 and d = 18
   
 
 
 
 
1 b.   q4, when q = 29
   
 
 
 
 
2 a.   26 w, when w = 5
   
 
 
 
 
2 b.   30 + q, when q = 5
   
 
 
 
 
3 a.   x4, when x = 25
   
 
 
 
 
3 b.   z5, when z = 18
   
 
 
 
 
4 a.   49 r, when r = 11
   
 
 
 
 
4 b.   r4, when r = 7
   
 
 
 
 
5 a.   st – 6, when s = 47 and t = 35
   
 
 
 
 
5 b.   kt – 33, when k = 14 and t = 3
   
 
 
 
 
Page 2

Answer Key

1 a.  -16

 
1 b.  707281

 
2 a.  130

 
2 b.  35

 
3 a.  390625

 
3 b.  1889568

 
4 a.  539

 
4 b.  2401

 
5 a.  6

 
5 b.  -22

 


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