Welcome to the Kangaroo collection-Volume 1, featuring 50 introductory and intermediate-level problems selected from past examination papers, each accompanied by a detailed solution.Designed for students in grades 8 12, this book supports learners as they build confidence and deepen their understanding of mathematics. It is also an excellent resource for students preparing for the Kangaroo Mathematical Tournament.The problems have been carefully chosen to develop logical reasoning, strengthen problem-solving skills, and encourage clear mathematical thinking. The collection covers a wide range of topics, including number puzzles, pattern recognition, spatial reasoning, and combinatorial thinking all presented in an engaging and accessible way.Each exercise comes with a detailed, step-by-step solution, helping students not only find the correct answer but also understand the reasoning behind it. This makes the book ideal for self-study, classroom use, or focused competition preparation.Kangaroo Volume 1 offers a balanced mix of challenges suitable for both beginners and students looking to consolidate their mathematical foundations. Along the way, learners will develop perseverance, analytical skills, and confidence essential tools for success in mathematics and beyond.This book is a valuable resource for students, teachers, and parents alike.Prepare, explore, and succeed start your journey into mathematical problem-solving with Kangaroo!