Variable expressions Worksheet

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

1 a.  
c – 3  , when c = 6.1
10
   
 
 
 
 
1 b.  
k – 4.3  , when k = 6.4
2.6
   
 
 
 
 
2 a.  
z – 8  , when z = 3.9
10.1
   
 
 
 
 
2 b.  
p – 3.7  , when p = 2.3
7.2
   
 
 
 
 
3 a.   t5, when t = 4.4
   
 
 
 
 
3 b.  
z – 4  , when z = 1.8
3
   
 
 
 
 
4 a.  
u – 4.2  , when u = 2.1
9.3
   
 
 
 
 
4 b.  
q – 3.8  , when q = 6.4
10
   
 
 
 
 
5 a.  
t – 2  , when t = 10.9
2
   
 
 
 
 
5 b.  
t – 8  , when t = 2
7
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  0.31

 
1 b.  0.808

 
2 a.  -0.406

 
2 b.  -0.194

 
3 a.  1649.16224

 
3 b.  -0.733

 
4 a.  -0.226

 
4 b.  0.26

 
5 a.  4.45

 
5 b.  -0.857

 


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