Math 2000  number book 6 / 
Bill Domoney [et al]. 
 - Surrey :  Thomas Nelson and sons Ltd,  c 1996. 
 - 79 p. :  ill. 
<br/><br/><label>ISBN: </label>0174219458 9780174219453 
<br/><br/><label>Dewey Class. No.: </label>513.2