Variable expressions Worksheet

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

1 a.   s + y + 23, when s = 47 and y = 3
   
 
 
 
 
1 b.   22 – q, when q = 6
   
 
 
 
 
2 a.   z2, when z = 7
   
 
 
 
 
2 b.   xz, when x = 31 and z = 43
   
 
 
 
 
3 a.   d2, when d = 43
   
 
 
 
 
3 b.   k3, when k = 36
   
 
 
 
 
4 a.   14 + a, when a = 43
   
 
 
 
 
4 b.   n3, when n = 50
   
 
 
 
 
5 a.   41 + s, when s = 18
   
 
 
 
 
5 b.  
r , when r = 43
48
   
 
 
 
 
Page 2

Answer Key

1 a.  73

 
1 b.  16

 
2 a.  49

 
2 b.  -12

 
3 a.  1849

 
3 b.  46656

 
4 a.  57

 
4 b.  125000

 
5 a.  59

 
5 b.  43/48

 


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