Variable expressions Worksheet

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

1 a.  
8 , when x = 1
x
   
 
 
 
 
1 b.   x + n + 4, when x = 9 and n = 1
   
 
 
 
 
2 a.   10 – b, when b = 6
   
 
 
 
 
2 b.   v2, when v = 5
   
 
 
 
 
3 a.   w2, when w = 5
   
 
 
 
 
3 b.   3 c, when c = 10
   
 
 
 
 
4 a.   q – 4 + p, when q = 5 and p = 2
   
 
 
 
 
4 b.   ay – 8, when a = 9 and y = 4
   
 
 
 
 
5 a.   q – 9, when q = 6
   
 
 
 
 
5 b.   x – 4, when x = 2
   
 
 
 
 
Page 2

Answer Key

1 a.  8

 
1 b.  14

 
2 a.  4

 
2 b.  25

 
3 a.  25

 
3 b.  30

 
4 a.  3

 
4 b.  -3

 
5 a.  -3

 
5 b.  -2

 


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