1, Individual Communication and Key Exercises: This open class introduces in detail the mathematical thinking, learning methods and teaching strategies. In class, teachers let students master basic addition and subtraction skills in relaxed and interesting situations by separating communication and paying attention to practice.

2. Experience mathematics and grow up happily: This open class mainly introduces basic concepts and skills such as sequence, sequence, addition and subtraction, and stimulates students' interest in learning and promotes their mathematical growth through various interactive forms such as games, competitions and group discussions.

3. Puzzle Rhapsody: This open class guides students to explore the correlation between numbers and graphics, cultivates students' observation, association and innovation, and makes students feel the fun of mathematics learning by reading stories, watching videos and classroom demonstrations.