Kumon Focus On Speed, Proportion & Ratio by Kumon Publishing is a practical learning workbook designed to strengthen core mathematical thinking. Built around the trusted Kumon method, it helps readers develop speed, accuracy, and confidence through steady practice with proportions and ratios.
Ideal for students who want to sharpen their number skills, this book offers structured exercises that encourage independent learning and gradual improvement. It is a useful companion for building a strong foundation in arithmetic and for making mathematics feel more manageable and engaging.
