Elementary and middle school mathematics : teaching developmentally 
Van de Walle, John A. 
 - 10th ed. 
 -  Pearson Education Limited,  2020 
 - 750 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>978-1-29233139-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics. -- Study and teaching (Middle school).
<br/><br/><label>Dewey Class. No.: </label>510.712 V225 2020