数学来源于生活,应用于生活。《数学课程标准》明确指出:“数学教学必须从学生熟悉的生活情境和感兴趣的事物出发,让学生有更多的机会从周围熟悉的事物中学习数学和理解数学,体会到数学就在身边,感受到数学的趣味和作用,体验到数学的魅力。”教师要打开数学与生活之间的那扇窗,从学生熟悉的生活情境出发,将数学教学与现实生活 Mathematics comes from life and applies to life. The Mathematics Curriculum Standard clearly states: “Mathematics teaching must start from students’ familiar life situations and interests, and give students more opportunities to learn math and math from the familiar things. Around, feel the fun and role of mathematics, to experience the charm of mathematics. ”Teachers want to open the window between mathematics and life, starting from the students familiar life situations, mathematics teaching and real life