Singapore and Asian Schools Math Olympiad (SASMO) 2016 Primary 4 Authors: Merlan Nagidulin Henry Ong Rosa Anajao Pang Zheng Rui Consultant: Dr Joseph Yeo (NIE) Singapore International Math Contests Centre (SIMCC) All Rights Reserved No part of this work may be reproduced or transmitted by any means, electronic or mechanical, including photocopying and recording, or by any information or retrieval system, without the prior permission of the publisher.TABLE OF CONTENTS Message from Executive Director ..................................................................... 1 Competition Format and Prizes ........................................................................ 3 Introduction ...................................................................................................... 5 Problem Solving Procedure ................................................................................................................... 7 Problem Solving Strategies ................................................................................................................... 9 SASMO 2016 Primary 4 Contest ..................................................................... 11 Solutions to SASMO 2016 Primary 4 .............................................................. 261 Message from Executive Director Dear students, parents and teachers, I am gratified to see more of our students gain direct admission into top schools by August this year and their joy and reduced stress certainly made their preparation for DSA worthwhile. Now is also the time to start your children/students as they prepare for DSA, not only for Secondary 1, but also for Secondary 3 as well as Junior College or polytechnic. Besides the 2016 questions published in this booklet with detailed solutions, we are continuously improving SASMO. 1. SASMO