Deboys Mary ; <br/><br/>
Lines of development in primary mathematics 
	Mary Deboys 
 - 	Belfast ;  Blackstaff',  2007 
 - 	332P.:    ill.;    21cm 
 - 	Primary mathematics. .
<br/><br/>  	<br/><br/>The bestselling, indispensable guide for all teachers of primary maths<br/> 
<br/><br/><label>ISBN: </label>9780856401947 
<br/><br/><label>Subjects--Topical Terms: </label><br/> 	      mathematics.      
<br/><br/><label>Dewey Class. No.: </label>	372  / DEB 2007