Variable expressions Worksheet

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

1 a.  
r – 3  , when r = 1
4
   
 
 
 
 
1 b.  
–7 – u  , when u = –8
5
   
 
 
 
 
2 a.  
v – (–1)  , when v = –6
2
   
 
 
 
 
2 b.  
g – 2  , when g = 9
7
   
 
 
 
 
3 a.   (2 v – (–6))4, when v = 2
   
 
 
 
 
3 b.  
c – (–6)  , when c = 8
2
   
 
 
 
 
4 a.  
2 yk  , when y = –3 and k = 1
10
   
 
 
 
 
4 b.   3 s + 8 n + 2, when s = 7 and n = 4
   
 
 
 
 
5 a.  
d – 1  , when d = 9
5
   
 
 
 
 
5 b.  
w – 7  , when w = 0
9
   
 
 
 
 
Page 2

Answer Key

1 a.  -1/2

 
1 b.  1/5

 
2 a.  -2 1/2

 
2 b.  1

 
3 a.  10000

 
3 b.  7

 
4 a.  -7/10

 
4 b.  55

 
5 a.  1 3/5

 
5 b.  -2/9

 


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