Variable expressions Worksheet

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

1 a.   6 – n, when n = 4
   
 
 
 
 
1 b.   rn, when r = 9 and n = 8
   
 
 
 
 
2 a.  
r – 6  , when r = 10
9
   
 
 
 
 
2 b.  
d – 6  , when d = 4
10
   
 
 
 
 
3 a.  
t – 6  , when t = 6
3
   
 
 
 
 
3 b.   b – 3, when b = 9
   
 
 
 
 
4 a.  
t – 4  , when t = 2
8
   
 
 
 
 
4 b.   z – 8 + x, when z = 8 and x = 3
   
 
 
 
 
5 a.  
d – 2  , when d = 3
9
   
 
 
 
 
5 b.   r + k + 8, when r = 8 and k = 8
   
 
 
 
 
Page 2

Answer Key

1 a.  2

 
1 b.  1

 
2 a.  4/9

 
2 b.  -1/5

 
3 a.  0

 
3 b.  6

 
4 a.  -1/4

 
4 b.  3

 
5 a.  1/9

 
5 b.  24

 


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