Lamon, Susan J. <br/><br/>
MORE! Teaching fractions and ratios for understanding :  in-depth discussion and reasoning activities / 
Susan J. Lamon 
 - 3rd ed. 
 - New York, NY :  Routledge,  2012 
 - viii, 138 p . :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>9780415886130 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fractions--Study and teaching (Elementary)<br/>Ratio and proportion--Study and teaching (Elementary)