一年级数学上册第5单元6_10的认识和加减法《10》同步课件新人教版.ppt

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610的认识和加减法,10,一、复习旧知,0、1、4、9、5、7、8、3、2、6,上面一共有( )个数。从左数第4个数是( ),从右数它排在第( )。其中,最小的数是( ),最大的数是( )。,10,9,7,0,9,读一读。,还有比9大的数吗?,图上有什么?,请你数一数。,二、探究新知,先数9个小朋友。,还有10只鸽子。,再数1个老师, 一共有10个人。,摆一摆,用你喜欢的 学具表示10。,二、探究新知,1捆小棒有10根。,有9根小棒,,添上1是( )。,10,可以把10根小棒 捆成1捆。,二、探究新知,看着尺子图,你都 知道些什么?,( ),( ),( ),( ),9,10,二、探究新知,想想,怎么写10?,看到每一组,你还能 想到什么?,1,8,2,7,3,6,4,5,5,要注意占格呦。,二、探究新知,1. 连一连。,2,4,5,4,8,三、知识运用,10的加减法,一、复习旧知,填一填。,1,10,3,5,7,10,你们是怎样计算的?,二、探究新知,看图你能列出哪些算式?,10,10,9,1,8,二、探究新知,8,8,2,看图你会填一填吗?,你是怎样想的?,10,想一想。,4,二、探究新知,7,10,7,7,3,10,4,4,6,6,5,想10的组成可以帮助我们计算。,10,送信。,三、知识运用,8,10,4,填一填。,10 ,6 ,8,9,10,三、知识运用,8,4,2,

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