Variable expressions Worksheet

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

1 a.   b + a, when b = 5.3 and a = 5.4
   
 
 
 
 
1 b.  
a – 4  , when a = 3.4
9
   
 
 
 
 
2 a.   8 + t, when t = 5.9
   
 
 
 
 
2 b.   p3, when p = 3.2
   
 
 
 
 
3 a.  
c – 6  , when c = 9.5
4.2
   
 
 
 
 
3 b.  
u – 8  , when u = 2.3
8
   
 
 
 
 
4 a.  
u – 2  , when u = 4.4
9
   
 
 
 
 
4 b.  
y – 7  , when y = 7
7.2
   
 
 
 
 
5 a.  
q – 2.3  , when q = 8.4
2.9
   
 
 
 
 
5 b.   d3, when d = 8.2
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  10.7

 
1 b.  -0.067

 
2 a.  13.9

 
2 b.  32.768

 
3 a.  0.833

 
3 b.  -0.713

 
4 a.  0.267

 
4 b.  0

 
5 a.  2.103

 
5 b.  551.368

 


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