Variable expressions Worksheet

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

1 a.   k + 31, when k = 17
   
 
 
 
 
1 b.   y + 49, when y = 22
   
 
 
 
 
2 a.   p3, when p = 20
   
 
 
 
 
2 b.  
u , when u = 21
42
   
 
 
 
 
3 a.   y – 23 + u, when y = 31 and u = 29
   
 
 
 
 
3 b.   29 – g, when g = 41
   
 
 
 
 
4 a.   7 + b, when b = 11
   
 
 
 
 
4 b.   6 p, when p = 1
   
 
 
 
 
5 a.   28 + s, when s = 11
   
 
 
 
 
5 b.   a2, when a = 25
   
 
 
 
 
Page 2

Answer Key

1 a.  48

 
1 b.  71

 
2 a.  8000

 
2 b.  1/2

 
3 a.  37

 
3 b.  -12

 
4 a.  18

 
4 b.  6

 
5 a.  39

 
5 b.  625

 

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