Variable expressions Worksheet

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

1 a.   4 k, when k = 8
   
 
 
 
 
1 b.  
z , when z = 3
10
   
 
 
 
 
2 a.   s3, when s = 7
   
 
 
 
 
2 b.   8 s, when s = 6
   
 
 
 
 
3 a.   8 r y, when r = 6 and y = 7
   
 
 
 
 
3 b.   8 s k, when s = 2 and k = 9
   
 
 
 
 
4 a.  
q , when q = 7
8
   
 
 
 
 
4 b.   z – 10 + c, when z = 4 and c = 7
   
 
 
 
 
5 a.   n – 10, when n = 7
   
 
 
 
 
5 b.  
r , when r = 6
3
   
 
 
 
 
Page 2

Answer Key

1 a.  32

 
1 b.  3/10

 
2 a.  343

 
2 b.  48

 
3 a.  336

 
3 b.  144

 
4 a.  7/8

 
4 b.  1

 
5 a.  -3

 
5 b.  2

 


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