Variable expressions Worksheet

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

1 a.   p3, when p = 3
   
 
 
 
 
1 b.   k – 5 + t, when k = 1.9 and t = 3.2
   
 
 
 
 
2 a.   4 n d, when n = 10.8 and d = 1.6
   
 
 
 
 
2 b.  
r – 6  , when r = 2.1
4.3
   
 
 
 
 
3 a.  
n – 4  , when n = 10.1
9.3
   
 
 
 
 
3 b.  
g – 7.3  , when g = 7.4
8
   
 
 
 
 
4 a.  
d – 8  , when d = 1.3
5.3
   
 
 
 
 
4 b.  
c – 4.6  , when c = 4.6
4
   
 
 
 
 
5 a.  
1 , when a = 1.7
a
   
 
 
 
 
5 b.  
b – 7  , when b = 2
8
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  27

 
1 b.  0.1

 
2 a.  69.12

 
2 b.  -0.907

 
3 a.  0.656

 
3 b.  0.013

 
4 a.  -1.264

 
4 b.  0

 
5 a.  0.588

 
5 b.  -0.625

 


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