TY - BOOK AU - Puritz,Christian TI - Explaining and exploring mathematics: teaching 11- to 18-year olds for understanding and enjoyment SN - 9781138680197 (hbk) AV - QA11.2 .P87 2017 U1 - 510.712 P97 2017 23 PY - 2017/// CY - London, UK, New York, NY, USA PB - Routledge, Taylor & Francis Group KW - Mathematics KW - Study and teaching (Secondary) N1 - Includes index; Part 1: 11-14 years old -- Part 2: 14-16 years old -- Part 3: 16-18 years old; CoED; Bachelor of Secondary Education major in Mathematics N2 - Divides mathematics subjects into age groups, with different lessons for each group: ages 11-14, ages 14-16, and ages 16-18 ER -