一、活动素材要具有生活性数学实践活动要让学生在活动中感受数学,体验数学的作用,培养学生自觉地把数学应用于实际的意识和态度,使数学真正成为学生手中的工具,体会到数学巨大的应用价值。例如,学过长度单位厘米、分米、米后,我布置学生量一量家人的身高,家具的长、宽、文 First, the activity material to have a life of mathematical practice activities Let students feel in the activities of mathematics, experience the role of mathematics, training students to consciously apply mathematics to the actual awareness and attitude so that mathematics really become the hands of students tools and experience The great value of mathematics. For example, after learning the length units of centimeters, decimeters, meters, I arranged the amount of a student’s family, the length, width, and length of the furniture