CONTENTS: – Sholastics Trust Singapore President’s Message – Competition and Prizes – Inroduction – Problem Solving Procedure – Problem Solving Strategies – SASMO 2019 SEC 3 (Grade 9) Contest Questions – SASMO 2020 SEC 3 (Grade 9) Contest Questions – Solutions to SASMO 2019 SEC 3 (Grade 9) – Solutions to SASMO 2020 SEC 3 (Grade 9)