Groth, Randall E. <br/><br/>
Teaching mathematics in grades 6-12 :  developing research-based instructional practices / 
Randall E. Groth. 
 - Thousand Oaks :  SAGE Publications,  2013. 
 - 486 p.  ill.  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781412995689 (pbk.) 
<br/><br/><label>LCCN: </label>2012016267 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary)<br/>Mathematics--Study and teaching (Middle school)<br/>Matemáticas--Enseñanza.<br/>Matemáticas--Enseñanza secundaria
<br/><br/><label>LC Class. No.: </label>QA 11.2  / G881t 2013 
<br/><br/><label>Dewey Class. No.: </label>510.71/2