## Contents

**An Analysis of a Solution**by*Derek HOLTON*(pp. 62-74)**Four Solutions of a Geometry Problem**by*TOH Pee Choon, HO Weng Kin, LEONG Yew Hoong, TAY Eng Guan and TONG Cherng Luen*(pp. 75-82)**Nature and Perceptions of Pre-Class Tasks Used in a Flipped Linear Algebra Course for Pre-Service Teachers**by*NG Wee Leng, TEO Kok Ming, WONG Khoon Yoong and KWAN Kang Ling*(pp. 83-101)**Finding Correct Solution(s) ⇏ Creating Correct Algorithm(s): Shedding More Light on How and Why**by*John Griffith TUPOUNIUA*(pp. 102-121)**BOOK REVIEW – Twelve Questions on Mathematics Teaching – Snapshots from A Study of the Enacted School Mathematics Curriculum in Singapore**. Reviewed by*CHIN Sze Looi*(pp. 122-126)**Acknowledgements**(p. 127)