Variable expressions Worksheet

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

1 a.   s6, when s = 1.2
   
 
 
 
 
1 b.  
u – 3.3  , when u = 8.1
4
   
 
 
 
 
2 a.  
x – 6  , when x = 1.1
5
   
 
 
 
 
2 b.   n + z, when n = 7.7 and z = 1.8
   
 
 
 
 
3 a.  
z – 8.8  , when z = 1.3
10
   
 
 
 
 
3 b.   d2, when d = 8.6
   
 
 
 
 
4 a.   a5, when a = 1.3
   
 
 
 
 
4 b.   3 q w, when q = 2.9 and w = 4.9
   
 
 
 
 
5 a.  
x – 2  , when x = 5.3
4.4
   
 
 
 
 
5 b.   4 – y, when y = 4.5
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  2.985984

 
1 b.  1.2

 
2 a.  -0.98

 
2 b.  9.5

 
3 a.  -0.75

 
3 b.  73.96

 
4 a.  3.71293

 
4 b.  42.63

 
5 a.  0.75

 
5 b.  -0.5

 


Copying permission: You are free to copy this worksheet to any number of students for their mathematics work. Do not distribute on websites, books, or any such material without permission. Copyright www.HomeschoolMath.net