Variable expressions Worksheet

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

1 a.  
p – 2  , when p = 10.7
6.7
   
 
 
 
 
1 b.   w + 7, when w = 3
   
 
 
 
 
2 a.   x – 2 + q, when x = 7.5 and q = 3
   
 
 
 
 
2 b.  
p – 6.5  , when p = 1
8
   
 
 
 
 
3 a.  
c – 5  , when c = 5.9
7
   
 
 
 
 
3 b.   5 z c, when z = 6.6 and c = 9.8
   
 
 
 
 
4 a.   8 a, when a = 8.7
   
 
 
 
 
4 b.   c3, when c = 1
   
 
 
 
 
5 a.  
z – 2  , when z = 3.7
9.4
   
 
 
 
 
5 b.  
s – 3  , when s = 2.5
7
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  1.299

 
1 b.  10

 
2 a.  8.5

 
2 b.  -0.688

 
3 a.  0.129

 
3 b.  323.4

 
4 a.  69.6

 
4 b.  1

 
5 a.  0.181

 
5 b.  -0.071

 


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