数学与多媒体技术的相互促进和紧密结合,改变了数学的传统教学模式和学习方式,创设了新的教学和学习环境。以教学论、学习理论、认知心理学、教育技术学为基础的多媒体教学设计,从学生的注意力、学习兴趣、认识策略出发,充分考虑学生的认知特点,为学生营造了一个发现式、参与式的教学环境,使学生成为课堂的主人;为突出教学重点、突破教学难点提供了方便, The mutual promotion and close integration of mathematics and multimedia technology has changed the traditional teaching mode and learning method of mathematics and created a new teaching and learning environment. Multimedia teaching design based on teaching theory, learning theory, cognitive psychology, and educational technology, starting from the students’ attention, interest in learning, and understanding strategies, fully considers the cognitive characteristics of students and creates a discovery style for students. A participatory teaching environment makes students become the masters of the classroom; it provides convenience for highlighting teaching priorities and breaking through teaching difficulties.