小学数学公开课优质课件推选——一上《认识10以内的数》.ppt
1-5的认识,苏教版小学数学一年级上册,数一数,认数、写数,1个小朋友,1,认数、写数,2盆花,2,2,2,2,2,2,2,认数、写数,3个小女孩,3,3,3,3,3,3,3,认数、写数,5个星星,5,5,5,5,5,5,5,认数、写数,4个气球,4,4,4,4,4,4,4,说一说,数一数,写一写。,说一说,数一数,写一写。,2020/5/17,10,1-5的认识想想做做,苏教版小学数学一年级上册,2020/5/17,11,1、,2020/5/17,12,2、看图涂色。,2,3,4,2020/5/17,13,3、,2020/5/17,14,4、数一数,写一写。,2020/5/17,15,5、读一读,排一排。,2020/5/17,16,6、补画出缺少的花。,2020/5/17,17,7、把星分成两堆,可以怎样分?,4个红色和1个黄色,2020/5/17,18,7、把星分成两堆,可以怎样分?,3个大星和2个小星,2020/5/17,19,8、,2020/5/17,20,9、,2020/5/17,21,苏教版小学数学一年级上册,认识几和第几,2020/5/17,22,说一说,几个人在排队?,2020/5/17,23,1,2,3,4,5,排在第2。,排在前两个的是谁?,2020/5/17,24,1,2,3,4,5,排在第4。,排在第2的是?,2020/5/17,25,排在第2。,从左边数排在第2。,从右边数排在第4。,2020/5/17,26,排在第3。,从左边数排在第3。,从右边数排在第3。,2020/5/17,27,从左边起,数3个人。,从左边起,第3个人。,2020/5/17,28,1、从左边起涂色。,几个和第几有什么不同?,2020/5/17,29,2、,5,2020/5/17,30,2、,5,2020/5/17,31,3、上山,1,2,3,4,5,2020/5/17,32,3、下山,1,2,3,4,2020/5/17,33,4、看图说话。,2020/5/17,34,苏教版小学数学一年级上册,0的认识,2020/5/17,35,看图写数,3,2,1,5,2020/5/17,36,看图写数,采了多少个蘑菇?,3,3个蘑菇。,2020/5/17,37,看图写数,采了多少个蘑菇?,2,2个蘑菇。,2020/5/17,38,看图写数,采了多少个蘑菇?,1,1个蘑菇。,2020/5/17,39,看图写数,采了多少个蘑菇?,0,一个也没有。,2020/5/17,40,试一试,4,0,2020/5/17,41,从0开始,0表示开始。,2020/5/17,42,0的意义与写法,一个也没有,没有了,从0开始,2020/5/17,43,苏教版小学数学一年级上册,、和,2020/5/17,44,4,4,5,3,2020/5/17,45,小猴队和小兔队哪队小动物多?,4,4,同样多,44,等号,读作:4等于4,铅笔图,2020/5/17,46,松鼠队和小熊队哪队小动物多?,5,3,35,小于号,读作:3小于5,2020/5/17,47,松鼠队和小熊队哪队小动物多?,5,3,53,大于号,读作:5大于3,2020/5/17,48,苏教版小学数学一年级上册,练习一,2020/5/17,49,1、树上各有几只脚?,2020/5/17,50,2、接着画,都画满5个。,2020/5/17,51,3、填一填,读一读。,1,4,5,2020/5/17,52,4、按要求画。,2020/5/17,53,5、,2,5,4,3,2020/5/17,54,6、,(1)一共有()张卡片。,(2)左起第2张是(),右起第2张是()。,(3)按从小到大的顺序排一排。,5,5,3,2020/5/17,55,7、,4,2,5,1,2020/5/17,56,8、,5,4,3,3,1,3,2020/5/17,57,9、,2020/5/17,58,思考题:,4块,5块,3整块和3个半块,4块多,不到5块,2020/5/17,59,69的认识,苏教版小学数学一年级上册,2020/5/17,60,2020/5/17,61,6个小朋友,6,2020/5/17,62,7个人,7,扔出去7个圈,2020/5/17,63,8,一共8个圈,2020/5/17,64,9,9个动物玩具,2020/5/17,65,对照着,写一写,4的左边有哪些数?右边有哪些数?,2020/5/17,66,把左边的8只动物圈起来,给从左边数的第8只小动物画上。,老鼠排第1,谁排第9?排第几?,2020/5/17,67,69的认识,苏教版小学数学一年级上册,想想做做,2020/5/17,68,想想做做,1、,2020/5/17,69,想想做做,2、看数接着画。,2020/5/17,70,想想做做,3、看着直尺说一说,5离8近一些还是离1近一些。,2020/5/17,71,想想做做,4、圈起左边6朵,再把右起第7朵涂上红色。,2020/5/17,72,想想做做,5、,(1)一共有()个水果。,(2)是第2个,是第()个,是第()个。,(3)后面有()个水果,前面有()个水果。,7,5,6,6,3,2020/5/17,73,想想做做,6、,2020/5/17,74,想想做做,7、在里填“”或“”。,2020/5/17,75,想想做做,8、,4,4,2020/5/17,76,想想做做,9、,2020/5/17,77,想想做做,10、,2020/5/17,78,想想做做,11、,2020/5/17,79,10的认识,苏教版一年级数学上册,2020/5/17,80,1.引导同学们经历认识10的过程,初步建立10的数感;2.学会10以内数的数数、认数、读数、写数,比较大小。,教学目标,2020/5/17,81,2020/5/17,82,想想做做,1、数出10根小棒。,2020/5/17,83,想想做做,2、,2020/5/17,84,想想做做,3、填一填,读一读。,2,4,5,7,9,10,2020/5/17,85,想想做做,4、,第2张是8,第5张是(),第10张是()。,6,4,2020/5/17,86,想想做做,5、先从0写到10,再从大到小读一读。,2020/5/17,87,想想做做,6、,一共有()只小鸭。,10,2020/5/17,88,想想做做,7、在里填“”“”或“”。,2020/5/17,89,想想做做,8、,4,7,10,2020/5/17,90,想想做做,9、,3,3,2020/5/17,91,6,5,8,9,10,找朋友,2020/5/17,92,连一连,6,10,7,8,9,2020/5/17,93,练习二,苏教版小学数学一年级上册,2020/5/17,94,1、复习10以内的数。,2020/5/17,95,2、,4,8,3,9,2,8,2020/5/17,96,3、,一共有()个,给正中间一个涂红色,它的左右两边各有()个。,9,4,2020/5/17,97,4、,6,5,4,2,2020/5/17,98,5、填一填,读一读。,3,4,6,8,9,10,2020/5/17,99,6、,2020/5/17,100,7、,2020/5/17,101,8、左边可以画几个?右边呢?,2020/5/17,102,9、接着涂一涂,填一填。,7,9,2020/5/17,103,10、,2020/5/17,104,10、,2020/5/17,105,思考题:照下图这样,把8根短绳连在一起,要打()个结。,7,