Parrish, Sherry. <br/><br/>
Number talks  helping children build mental math and computation strategies, grades K-5 
Sherry Parrish 
 - ed. 
 - [S.l.]  Math Solutions  2010 
 - xli, 390 p. 
<br/><br/><label>ISBN: </label>9781935099116 (pbk. : alk. paper w/DVD)