一年级数学比较多少ppt课件.ppt
2022/11/18,1,、和,2022/11/18,2,4,4,5,3,2022/11/18,3,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,2022/11/18,4,松鼠队和小熊队哪队小动物多?,5,3,35,小于号,读作: 3小于5,2022/11/18,5,松鼠队和小熊队哪队小动物多?,5,3,53,大于号,读作: 5大于3,2022/11/18,6,2,5,4,3,2022/11/18,7,7、,4,2,5,1,2022/11/18,8,8、,5,4,3,3,1,3,2022/11/18,9,2022/11/18,10,6个小朋友,6,2022/11/18,11,7个人,7,扔出去7个圈,2022/11/18,12,8,一共8个圈,2022/11/18,13,9,9个动物玩具,2022/11/18,14,对照着,写一写,4的左边有哪些数?右边有哪些数?,2022/11/18,15,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?,2022/11/18,16,69的认识,苏教版小学数学一年级上册,想想做做,2022/11/18,17,想想做做,1、,2022/11/18,18,想想做做,2、看数接着画。,2022/11/18,19,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。,2022/11/18,20,想想做做,4、圈起左边6朵,再把右起第7朵涂上红色。,2022/11/18,21,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。,7,5,6,6,3,2022/11/18,22,想想做做,6、,2022/11/18,23,想想做做,7、在里填“”或“”。,2022/11/18,24,想想做做,8、,4,4,2022/11/18,25,想想做做,9、,2022/11/18,26,想想做做,10、,2022/11/18,27,想想做做,11、,2022/11/18,28,10的认识,苏教版一年级数学上册,2022/11/18,29,1.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,2022/11/18,30,2022/11/18,31,想想做做,1、数出10根小棒。,2022/11/18,32,想想做做,2、,2022/11/18,33,想想做做,3、填一填,读一读。,2,4,5,7,9,10,2022/11/18,34,想想做做,4、,第2张是8,第5张是( ),第10张是( )。,6,4,2022/11/18,35,想想做做,5、先从0写到10,再从大到小读一读。,2022/11/18,36,想想做做,6、,一共有( )只小鸭。,10,2022/11/18,37,想想做做,7、在里填“”“”或“”。,2022/11/18,38,想想做做,8、,4,7,10,2022/11/18,39,想想做做,9、,3,3,2022/11/18,40,6,5,8,9,10,找朋友,2022/11/18,41,连一连,6,10,7,8,9,2022/11/18,42,练习二,苏教版小学数学一年级上册,2022/11/18,43,1、复习10以内的数。,2022/11/18,44,2、,4,8,3,9,2,8,2022/11/18,45,3、,一共有( )个 ,给正中间一个 涂红色,它的左右两边各有( )个 。,9,4,2022/11/18,46,4、,6,5,4,2,2022/11/18,47,5、填一填,读一读。,3,4,6,8,9,10,2022/11/18,48,6、,2022/11/18,49,7、,2022/11/18,50,8、左边可以画几个?右边呢?,2022/11/18,51,9、接着涂一涂,填一填。,7,9,2022/11/18,52,10、,2022/11/18,53,10、,2022/11/18,54,思考题: 照下图这样,把8根短绳连在一起,要打( )个结。,7,