Description A serious math introduction book for young children. Through the combination of numbers and shapes, it develops abstract, logical thinking together with intuitive, sensory thinking at the same time. Thinking Toddler Math 2A: Serious Math Introduction for Young Children (Ages 5-7) Part 1 - Shapes Part 2 - Sets, Correspondence, Measurement Thinking Toddler Math 2B: Serious Math Introduction for Young Children (Ages 5-7) Part 1 - Direction, Classification, Arrangement Part 2 - Number Operations Author: Simath Math Research Institute Recent Works: , , , and 146 titles in total About the Author: The Simath Math Research Institute is composed of researchers with passion and talent for math education. Based on the academic characteristics of mathematics and a learner-centered educational philosophy, they research and develop the best and most optimal math curricula and content to strengthen learners' mathematical thinking skills. They have led the trend in math education by developing the 'Simath' program, which popularized the concept of 'thinking math,' as well as the gifted program 'Gifted,' the published textbook series '1031' Math & Science, '1031 Gifted Test,' the 'Sangwigwon 960' series, the 'Sangwigwon Clever Math' series, the 'Thinking Toddler Math' series, the 'Sangwigwon Math TenTen: Exploration and Problem Solving' series, and various multimedia math content. Thinking Toddler Math is a serious math introduction book for young children that embodies beautiful math, enjoyable math, thinking math, and everyday life math. Through the combination of numbers and shapes, this workbook develops abstract, logical thinking together with intuitive, sensory thinking at the same time. Mathematics is the study of numbers and space. For young children who think and understand through the shapes of objects, a math education method that combines shapes and numbers allows the essentially abstract world of mathematics to be experienced in a sensory and concrete way, building children's mathematical potential and increasing their interest in math. [Book Composition] A total of 6 books, 2 books per age group (ages 5-7) [Recommended Ages] Thinking Toddler Math 1A: Serious Math Introduction for Young Children (Ages 4-6) Thinking Toddler Math 1B: Serious Math Introduction for Young Children (Ages 4-6) Thinking Toddler Math 2A: Serious Math Introduction for Young Children (Ages 5-7) Thinking Toddler Math 2B: Serious Math Introduction for Young Children (Ages 5-7) Thinking Toddler Math 3A: Serious Math Introduction for Young Children (Ages 6-8) Thinking Toddler Math 3B: Serious Math Introduction for Young Children (Ages 6-8)