Variable expressions Worksheet

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

1 a.  
x – 5.7  , when x = 10.6
2.1
   
 
 
 
 
1 b.   b3, when b = 10.8
   
 
 
 
 
2 a.   y + r + 6, when y = 8.2 and r = 2.1
   
 
 
 
 
2 b.   d + y + 3, when d = 1 and y = 3.4
   
 
 
 
 
3 a.   gy, when g = 2.9 and y = 4.1
   
 
 
 
 
3 b.   3 – g, when g = 2.6
   
 
 
 
 
4 a.   4 n, when n = 9.8
   
 
 
 
 
4 b.  
w – 2  , when w = 1.8
9
   
 
 
 
 
5 a.  
s – 5  , when s = 2
3
   
 
 
 
 
5 b.   4 p, when p = 9.5
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  2.333

 
1 b.  1259.712

 
2 a.  16.3

 
2 b.  7.4

 
3 a.  -1.2

 
3 b.  0.4

 
4 a.  39.2

 
4 b.  -0.022

 
5 a.  -1

 
5 b.  38

 


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