Variable expressions Worksheet

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

1 a.  
24 , when x = 49
x
   
 
 
 
 
1 b.   t2, when t = 3
   
 
 
 
 
2 a.   14 u d, when u = 28 and d = 29
   
 
 
 
 
2 b.   r3, when r = 48
   
 
 
 
 
3 a.  
w , when w = 50
37
   
 
 
 
 
3 b.   24 – y, when y = 17
   
 
 
 
 
4 a.   y – z, when y = 32 and z = 24
   
 
 
 
 
4 b.   20 g n, when g = 10 and n = 29
   
 
 
 
 
5 a.   k – 30 + u, when k = 29 and u = 47
   
 
 
 
 
5 b.   22 a, when a = 26
   
 
 
 
 
Page 2

Answer Key

1 a.  24/49

 
1 b.  9

 
2 a.  11368

 
2 b.  110592

 
3 a.  1 13/37

 
3 b.  7

 
4 a.  8

 
4 b.  5800

 
5 a.  46

 
5 b.  572

 

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