DOWNES, L. W. <br/><br/>
'Tables' Teaching and Learning: Number 'Facts' 

 - London :  Oxford University Press ,   1958. 
 - vi , 105 p . :  ill . ; 21 cm. 
<br/><br/> includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics - Teaching and learning 
<br/><br/><label>Dewey Class. No.: </label>510.7