Puritz, Christian. <br/><br/>
Explaining and exploring mathematics :  teaching 11- to 18-year olds for understanding and enjoyment / 
Christian Puritz. 
 - vii, 217 pages :  illustrations ;  25 cm 
<br/><br/> Includes index. 
<br/><br/>Part 1: 11-14 years old --<br/>Part 2: 14-16 years old --<br/>Part 3: 16-18 years old. 
<br/><br/> Divides mathematics subjects into age groups, with different lessons for each group: ages 11-14, ages 14-16, and ages 16-18. 
<br/><br/> College of Education  Bachelor of Secondary Education major in Mathematics 
<br/><br/><br/>Text in English 
<br/><br/><label>ISBN: </label>9781138680197 (hbk) 9781138680210 (pbk) 
<br/><br/><label>LCCN: </label>2016030449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary)
<br/><br/><label>LC Class. No.: </label>QA11.2  / .P87 2017 
<br/><br/><label>Dewey Class. No.: </label>510.712 P97 2017