Variable expressions Worksheet

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

1 a.   xk, when x = 9 and k = 2
   
 
 
 
 
1 b.   2 t u, when t = 1 and u = 10
   
 
 
 
 
2 a.   y + 8, when y = 7
   
 
 
 
 
2 b.   2 – q, when q = 6
   
 
 
 
 
3 a.   n + 10, when n = 10
   
 
 
 
 
3 b.   v3, when v = 2
   
 
 
 
 
4 a.   c – 10, when c = 1
   
 
 
 
 
4 b.   3 – y, when y = 5
   
 
 
 
 
5 a.   10 r u, when r = 1 and u = 4
   
 
 
 
 
5 b.   a + 7, when a = 7
   
 
 
 
 
Page 2

Answer Key

1 a.  7

 
1 b.  20

 
2 a.  15

 
2 b.  -4

 
3 a.  20

 
3 b.  8

 
4 a.  -9

 
4 b.  -2

 
5 a.  40

 
5 b.  14

 


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