Variable expressions Worksheet

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

1 a.   8 + a, when a = 3.4
   
 
 
 
 
1 b.   4 + v, when v = 6.1
   
 
 
 
 
2 a.  
v – 1.8  , when v = 8
6
   
 
 
 
 
2 b.  
u – 6  , when u = 4.6
8
   
 
 
 
 
3 a.  
3 , when y = 9.6
y
   
 
 
 
 
3 b.  
r – 6.7  , when r = 9.8
9.4
   
 
 
 
 
4 a.   x + v, when x = 7.6 and v = 3
   
 
 
 
 
4 b.   q + x, when q = 9.1 and x = 2.6
   
 
 
 
 
5 a.  
v – 2  , when v = 6.4
10.8
   
 
 
 
 
5 b.   w – 7 + k, when w = 4.1 and k = 8
   
 
 
 
 
Page 2

Answer Key



Answers with decimals have been rounded to 3 decimal digits.
1 a.  11.4

 
1 b.  10.1

 
2 a.  1.033

 
2 b.  -0.175

 
3 a.  0.313

 
3 b.  0.33

 
4 a.  10.6

 
4 b.  11.7

 
5 a.  0.407

 
5 b.  5.1

 


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