Increase your ratio conversion skills with this comprehensive workbook. Practice regularly to improve efficiency in calculating quickly and precisely. This book includes ratio conversion, fraction conversion, decimal conversion, and percent conversion. Use a timer to add fun and excitement to the training and help enhance agility for students. Suitable for students in grades 6 to 7, ages 11-13. Key features of the exercise book include: ✅ Suitable for students in grades 6-7, aged 11-13 years