The “NCERT at a Glance Mathematics, Class 9 Refresher” is a comprehensive guide designed to reinforce key mathematical concepts for Class 9 students. Developed by the National Council of Educational Research and Training (NCERT), this refresher provides a condensed yet thorough overview of the entire Class 9 Mathematics curriculum. Packed with clear explanations, solved examples, and practice problems, it serves as an invaluable tool for students seeking to strengthen their foundation in mathematics. The concise format allows for quick revision, making it an ideal resource for exam preparation and self-assessment.