Smith, Margaret S. <br/><br/>
5 Practices : For Orchestrating Productive Mathematics Discussions 

 - 2nd Ed.; 
 - United states :  National Council of Teachers of Mathematics,  2018. 
 - xii, 152p.;  25cm 
<br/><br/><label>ISBN: </label>9781680540161 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching--Standards
<br/><br/><label>Dewey Class. No.: </label>510.71  / SMI