McNamara, Timothy J. <br/><br/>
Key concepts in mathematics :  strengthening standards practice in grades 6-12 / 
Timothy J. McNamara 
 - 2nd ed. 
 - Thousand Oaks, CA :  Corwin Press,  2007 
 - xiii, 249 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references (p. 245-246) and index 
<br/><br/><label>ISBN: </label>1412938414 (hbk.) 9781412938419 (hbk.) 1412938422 (pbk.)  RM191.43 9781412938426 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Middle school)--United States<br/>Mathematics--Study and teaching (Secondary)--United States<br/>Problem-based learning