Variable expressions Worksheet

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

1 a.   n + 6, when n = 2
   
 
 
 
 
1 b.   2 c r, when c = 9 and r = 5
   
 
 
 
 
2 a.  
x – 4  , when x = 7
8
   
 
 
 
 
2 b.  
n – 8  , when n = 7
7
   
 
 
 
 
3 a.  
k – 2  , when k = 3
10
   
 
 
 
 
3 b.   uv, when u = 6 and v = 9
   
 
 
 
 
4 a.   5 s t, when s = 6 and t = 10
   
 
 
 
 
4 b.  
c – 5  , when c = 8
4
   
 
 
 
 
5 a.  
x – 8  , when x = 5
6
   
 
 
 
 
5 b.   2 p, when p = 7
   
 
 
 
 
Page 2

Answer Key

1 a.  8

 
1 b.  90

 
2 a.  3/8

 
2 b.  -1/7

 
3 a.  1/10

 
3 b.  -3

 
4 a.  300

 
4 b.  3/4

 
5 a.  -1/2

 
5 b.  14

 


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