Variable expressions Worksheet

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

1 a.   q – 18, when q = 7
   
 
 
 
 
1 b.   37 n, when n = 21
   
 
 
 
 
2 a.   z – 19, when z = 19
   
 
 
 
 
2 b.  
s , when s = 6
48
   
 
 
 
 
3 a.   wq, when w = 20 and q = 2
   
 
 
 
 
3 b.   dz, when d = 21 and z = 22
   
 
 
 
 
4 a.   q – 25 + c, when q = 35 and c = 40
   
 
 
 
 
4 b.   a5, when a = 8
   
 
 
 
 
5 a.   wg, when w = 35 and g = 50
   
 
 
 
 
5 b.   vr, when v = 14 and r = 40
   
 
 
 
 
Page 2

Answer Key

1 a.  -11

 
1 b.  777

 
2 a.  0

 
2 b.  1/8

 
3 a.  18

 
3 b.  -1

 
4 a.  50

 
4 b.  32768

 
5 a.  -15

 
5 b.  -26

 


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