Mental Maths Workbook is a comprehensive daily practice resource suitable for lower secondary students. The workbooks support any mathematics program as the activities cover all strands ? working mathematically, number, algebra, chance and data, measurement, and space. Suitable for ages14-15 years. Each workbook provides a structured daily program of practice and consolidation for an entire year. Each workbook has 40 weeks of mental mathematics ? four days of questions for each week, with 20 questions for each day. Each column of questions includes a space at the bottom for recording daily scores and calculating the percentage.