Variable expressions Worksheet

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

1 a.  
b – (–6)  , when b = 2
2
   
 
 
 
 
1 b.   4(4 – 10 g), when g = 7
   
 
 
 
 
2 a.  
c – (–7)  , when c = 4
2
   
 
 
 
 
2 b.  
s – 4  , when s = 5
2
   
 
 
 
 
3 a.   –8(9 w + 10), when w = 6
   
 
 
 
 
3 b.   (9 a – 7)2, when a = –3
   
 
 
 
 
4 a.  
b – (–5)  , when b = –5
3
   
 
 
 
 
4 b.   (–2 + 10 t)2, when t = –4
   
 
 
 
 
5 a.   (3 – 4 z)2, when z = 1
   
 
 
 
 
5 b.  
w – (–1)  , when w = 9
5
   
 
 
 
 
Page 2

Answer Key

1 a.  4

 
1 b.  -264

 
2 a.  5 1/2

 
2 b.  1/2

 
3 a.  -512

 
3 b.  1156

 
4 a.  0

 
4 b.  1764

 
5 a.  1

 
5 b.  2

 


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