一年级数学上册第1单元准备课数一数授课课件新人教版.ppt

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数一数,课后作业,探索新知,课堂总结,当堂检测,数数,情境导入,聪聪和明明是数学王国的小精灵!会一直陪伴着大家学习。,聪聪,明明,探究点,数数,1,2,3,4,5,6,7,8,9,10,归纳总结:,数数的方法: 1.一一对应点数的方法; 2.说出计数的结果(总数),即最后数到几,物体的总数就是几。,小试牛刀,1.数一数。,5,7,2. 数一数,连一连。,1.数一数,填一填。,2 4 5 3 8 9 1 7 6 10,2.看图圈数。,( 7 8 9 ),( 5 6 7 ),( 5 6 7 ),( 5 6 9 ),3.照样子,看数涂树叶。,辨析:数数时要细心,不要数多或者数少了。,涂色略,4.照样子,数一数,画一画。,辨析:画完圆圈后数一数,看看和上方图片的数量是不是对应。,5.在110 中选出自己喜欢的数,并说一句话。例如,我有一双眼睛,我家有四口人,我有2只铅笔。,1. 数数时,从1开始,按照一定的顺序一个一个地数,数到最后一个物体所对应的那个数,就是这些物体的总个数。 2. 用数表示图中的事物的数量时,一定要先数数,再用相应的数表示。,数一数:,Thank you!,

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