Variable expressions Worksheet

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

1 a.  
r – 4  , when r = 1
6
   
 
 
 
 
1 b.  
d – 6  , when d = 1
5
   
 
 
 
 
2 a.  
k – 3  , when k = 7
5
   
 
 
 
 
2 b.   (2 t – 3)3, when t = 8
   
 
 
 
 
3 a.  
3 wt  , when w = 8 and t = 6
3
   
 
 
 
 
3 b.  
t – 8  , when t = 4
2
   
 
 
 
 
4 a.  
p – 7  , when p = 1
5
   
 
 
 
 
4 b.  
y – 4  , when y = 9
8
   
 
 
 
 
5 a.  
7 w  , when w = 9
7
   
 
 
 
 
5 b.  
x – 5  , when x = 3
7
   
 
 
 
 
Page 2

Answer Key

1 a.  -1/2

 
1 b.  -1

 
2 a.  4/5

 
2 b.  2197

 
3 a.  6

 
3 b.  -2

 
4 a.  -1 1/5

 
4 b.  5/8

 
5 a.  9

 
5 b.  -2/7

 


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