Variable expressions Worksheet

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

1 a.   2 – k, when k = 5
   
 
 
 
 
1 b.   b – 10, when b = 8
   
 
 
 
 
2 a.   k – 2, when k = 1
   
 
 
 
 
2 b.   w + a, when w = 6 and a = 9
   
 
 
 
 
3 a.   ar – 10, when a = 8 and r = 4
   
 
 
 
 
3 b.   b2, when b = 3
   
 
 
 
 
4 a.   c – 10 + w, when c = 4 and w = 10
   
 
 
 
 
4 b.   x3, when x = 2
   
 
 
 
 
5 a.   b + 5, when b = 8
   
 
 
 
 
5 b.   n4, when n = 1
   
 
 
 
 
Page 2

Answer Key

1 a.  -3

 
1 b.  -2

 
2 a.  -1

 
2 b.  15

 
3 a.  -6

 
3 b.  9

 
4 a.  4

 
4 b.  8

 
5 a.  13

 
5 b.  1

 


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