Variable expressions Worksheet

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

1 a.   k + 1 + s, when k = 4 and s = –6
   
 
 
 
 
1 b.   3 n, when n = 3
   
 
 
 
 
2 a.  
u , when u = 6
–8
   
 
 
 
 
2 b.   u2, when u = –10
   
 
 
 
 
3 a.   pa, when p = –7 and a = –10
   
 
 
 
 
3 b.   g + y + 2, when g = 8 and y = –1
   
 
 
 
 
4 a.   c4, when c = –3
   
 
 
 
 
4 b.   c – 8, when c = –1
   
 
 
 
 
5 a.   r4, when r = 5
   
 
 
 
 
5 b.   g + (–7) + t, when g = 10 and t = 9
   
 
 
 
 
Page 2

Answer Key

1 a.  -1

 
1 b.  9

 
2 a.  -3/4

 
2 b.  100

 
3 a.  3

 
3 b.  9

 
4 a.  81

 
4 b.  -9

 
5 a.  625

 
5 b.  12

 


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