Variable expressions Worksheet

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

1 a.   t + s, when t = 5 and s = 20
   
 
 
 
 
1 b.   xn – 34, when x = 36 and n = 22
   
 
 
 
 
2 a.   45 – p, when p = 25
   
 
 
 
 
2 b.   kz, when k = 32 and z = 6
   
 
 
 
 
3 a.   c – 29 + b, when c = 22 and b = 10
   
 
 
 
 
3 b.   b4, when b = 9
   
 
 
 
 
4 a.  
18 , when n = 3
n
   
 
 
 
 
4 b.   10 – s, when s = 2
   
 
 
 
 
5 a.   s3, when s = 45
   
 
 
 
 
5 b.   c4, when c = 21
   
 
 
 
 
Page 2

Answer Key

1 a.  25

 
1 b.  -20

 
2 a.  20

 
2 b.  26

 
3 a.  3

 
3 b.  6561

 
4 a.  6

 
4 b.  8

 
5 a.  91125

 
5 b.  194481

 


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