Variable expressions Worksheet

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

1 a.   px, when p = 3 and x = –4
   
 
 
 
 
1 b.   u3, when u = 4
   
 
 
 
 
2 a.   t + u + 6, when t = 5 and u = 9
   
 
 
 
 
2 b.   z – 7, when z = –8
   
 
 
 
 
3 a.   8 + n, when n = 4
   
 
 
 
 
3 b.   6 w, when w = 10
   
 
 
 
 
4 a.   k4, when k = 5
   
 
 
 
 
4 b.   b – 6 + u, when b = 2 and u = 4
   
 
 
 
 
5 a.   v2, when v = 4
   
 
 
 
 
5 b.   z2, when z = –1
   
 
 
 
 
Page 2

Answer Key

1 a.  7

 
1 b.  64

 
2 a.  20

 
2 b.  -15

 
3 a.  12

 
3 b.  60

 
4 a.  625

 
4 b.  0

 
5 a.  16

 
5 b.  1

 


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