Summary: "Mental Mathematics Book 3" is a comprehensive and engaging workbook for students looking to improve their mental math skills. Written by accomplished mathematics teacher, John Wilson, the book provides students with a range of mathematical exercises, puzzles, and challenges, designed to encourage them to think critically and improve their problem-solving abilities. The exercises are divided into categories such as "Multiplication and Division", "Fractions and Decimals", and "Money and Time". The book also includes a progress chart for students to track their development and an answer key for easy self-assessment. تمثل كتاب "حساب الرياضيات العقلية 3" دليلًا شاملًا وجذابًا للطلاب