This book is a compilation of the latest practice questions in accordance with the latest Primary 1 Mathematics syllabus issued by the Ministry of Education. With contributions from teacher consultants with decades of experience, the practices in this book aim to be a one-stop and comprehensive guide for Mathematics learning. The questions are challenging and specifically hand-picked for their value in teaching students important concepts and examination techniques. The book consists of 14 practice papers with full answers and worked solutions for the problem sums. These test papers aim to teach students important concepts and help students to discover weaknesses in their answering techniques which they may not be aware of.