This series is conceived, researched and carefully crafted for students looking to prepare for or embark on the nourney to PSLE in addition to acquiring further knowledge in Mathematical Olmpyiad type questions. Each book comprises of: 25 lessons on topics spanning both the Singapore Ministry of Education curriculum and Mathematical Olympiad. 3 lessons on non-routine questions to encourage out-of-the-box thinking and problem-solving. Classic examples explained in depth and detail yet in an easy-to-understand manner. Exercises to provide for practice and application. Mathematical stories, anecdotes and articles that pique students' interest and fuel their thirst for history and information as well as fun facts on common and popular maths concepts. Answers with fully worked solutions for self-assessment. Supplementary reference section to provide extensive resource materials for lessons covered. The objectives of this series Wicked Mathematics! 28 Lessons To Unleash Your Critical Thinking Skills in Problem-Solving are threefold: - To serve as an indicator and categorisation of the types of questions that are most current and constantly appearing in school examination papers. - To infuse teaching with a strong element of Mathematical Olympiad type of problems and methods, thus giving students the fl exibility in their thinking skills as well as the versatility in approaching such problems. - Last, but not least, a short story or mathematical amusement is written and included at the end of each lesson, which serves to inspire students and to make the learning of Mathematics more wholesome.