How to Ace PSLE Math Problem Sums in 7 simple steps within 7 days: Suitable for students and parents

How to Ace the Singapore's Primary School Leaving Examination Math Problem Sums in 7 simple steps within 7 days. This book is written for 12 year olds. Tips and tricks covering all heuristic methods with detailed colourful explanations for 12 year olds. Parents can buy as reference and coach the child.