Variable expressions Worksheet

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

1 a.   k5, when k = 1
   
 
 
 
 
1 b.  
b , when b = –7
4
   
 
 
 
 
2 a.  
5 , when v = –7
v
   
 
 
 
 
2 b.   u + n + 4, when u = 10 and n = –4
   
 
 
 
 
3 a.   r + 4, when r = 8
   
 
 
 
 
3 b.   z6, when z = –10
   
 
 
 
 
4 a.   z2, when z = –1
   
 
 
 
 
4 b.   t2, when t = –3
   
 
 
 
 
5 a.   w + 3, when w = 2
   
 
 
 
 
5 b.   su – 8, when s = –6 and u = –7
   
 
 
 
 
Page 2

Answer Key

1 a.  1

 
1 b.  -1 3/4

 
2 a.  -5/7

 
2 b.  10

 
3 a.  12

 
3 b.  1000000

 
4 a.  1

 
4 b.  9

 
5 a.  5

 
5 b.  -7

 


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