Description Level B Learning Objectives Building on the skills learned in Level A, this level focuses on practicing writing numbers up to 200. It also aims to help children understand the properties and order of numbers, laying the foundation for the addition lessons that begin in Level C. Book (Volume/Month) - Week - Learning Content B1: Weeks 1~4 - Drawing numbers up to 10 - Writing numbers up to 10 - Practicing writing numbers up to 10 - Numbers up to 5 - Math story B2: Weeks 1~4 - Numbers up to 10 - Understanding numbers, writing and reading numbers - Filling in the correct numbers in blanks - Comparing sizes - Math story B3: Weeks 1~4 - Numbers up to 15 - Numbers up to 20 - Understanding numbers, writing and reading numbers - Understanding groups of 10 and individual units - Filling in the correct numbers in blanks - Comparing sizes - Math story B4: Weeks 1~4 - Circle numbers up to 5, 10, 15, 20 - Circle numbers up to 20 - Comprehensive review - Math story B5: Weeks 1~4 - Numbers up to 30, 40, 50, 70, 100 - Larger numbers - Math story