Variable expressions Worksheet

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

1 a.  
t , when t = 32
40
   
 
 
 
 
1 b.   kg, when k = 40 and g = 48
   
 
 
 
 
2 a.   31 – b, when b = 20
   
 
 
 
 
2 b.   zk – 21, when z = 36 and k = 18
   
 
 
 
 
3 a.   t + g, when t = 42 and g = 6
   
 
 
 
 
3 b.   b – 12, when b = 49
   
 
 
 
 
4 a.   27 c, when c = 8
   
 
 
 
 
4 b.   n + b, when n = 18 and b = 26
   
 
 
 
 
5 a.   33 + n, when n = 36
   
 
 
 
 
5 b.   qr – 10, when q = 45 and r = 16
   
 
 
 
 
Page 2

Answer Key

1 a.  4/5

 
1 b.  -8

 
2 a.  11

 
2 b.  -3

 
3 a.  48

 
3 b.  37

 
4 a.  216

 
4 b.  44

 
5 a.  69

 
5 b.  19

 


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