Variable expressions Worksheet

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

1 a.  
r – 1  , when r = –9
8
   
 
 
 
 
1 b.  
t – 3  , when t = 0
3
   
 
 
 
 
2 a.  
t – 7  , when t = 10
7
   
 
 
 
 
2 b.   –2 – s, when s = –6
   
 
 
 
 
3 a.  
w – 8  , when w = –9
7
   
 
 
 
 
3 b.   d – (–7) + n, when d = 3 and n = –8
   
 
 
 
 
4 a.   t2, when t = –3
   
 
 
 
 
4 b.   d + (–6), when d = 0
   
 
 
 
 
5 a.  
6 , when t = 8
t
   
 
 
 
 
5 b.  
–7 , when c = –5
c
   
 
 
 
 
Page 2

Answer Key

1 a.  -1 1/4

 
1 b.  -2 1/3

 
2 a.  3/7

 
2 b.  4

 
3 a.  -2 3/7

 
3 b.  2

 
4 a.  9

 
4 b.  -6

 
5 a.  3/4

 
5 b.  1 2/5

 


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