创设生动有趣的情境是提高学生学习数学能力的一种有效手段;是激励学生主动参与学习的重要保证;是教学过程中的一个重要环节。一个好的教学情境可以沟通教师与学生的心灵,充分调动学生的既有经验,使之在兴趣的驱动下,主动参与到学习活动中去。 Creating a vivid and interesting context is an effective way to improve students’ ability to learn mathematics. It is an important guarantee to encourage students to participate actively in learning. It is an important link in the teaching process. A good teaching situation can communicate the minds of teachers and students, and fully mobilize the students’ existing experience so that they can take the initiative to participate in learning activities driven by their interests.