Variable expressions Worksheet

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

1 a.  
n – 2  , when n = 3
9
   
 
 
 
 
1 b.  
x – 2  , when x = –1
9
   
 
 
 
 
2 a.  
t – 2  , when t = –5
10
   
 
 
 
 
2 b.  
r – 5  , when r = –9
8
   
 
 
 
 
3 a.   g – 5 + u, when g = 0 and u = –6
   
 
 
 
 
3 b.  
y – (–3)  , when y = –9
5
   
 
 
 
 
4 a.   4 b c, when b = 5 and c = 1
   
 
 
 
 
4 b.  
t – (–5)  , when t = 1
9
   
 
 
 
 
5 a.  
u – (–2)  , when u = –2
2
   
 
 
 
 
5 b.  
r – (–8)  , when r = 3
8
   
 
 
 
 
Page 2

Answer Key

1 a.  1/9

 
1 b.  -1/3

 
2 a.  -7/10

 
2 b.  -1 3/4

 
3 a.  -11

 
3 b.  -1 1/5

 
4 a.  20

 
4 b.  2/3

 
5 a.  0

 
5 b.  1 3/8

 


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