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,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,数的顺序 比较大小,数的顺序 比较大小,100,以内数的认识,数的顺序,100以内数的认识 数的顺序,比较大小,100,以内数的认识,比较大小100以内数的认识,口答,:,25,里面有（）个十，（）个一。,4,个一和,8,个十组成的数是（）。,一个数个位上是,3,，十位上是,9,，这个,数是（），它有（）个十和（）个一组成，与这个数相邻的数是（）和（）,。,10,个十是（），它里面有（）,个一组成。,一个数十位上是,7,，个位数比十位数少,2,，这个数是（）。,口答:,2.,比,79,多,1,的数是（）；,比,79,少,1,的数是（）。,一、复习旧知，引入新课,78,80,3.74,是由（）个十和（）个一组成的。,7,4,1.,十位是,7,的两位数有,(,）,70,、,71,、,72,、,73,、,74,、,75,、,76,、,77,、,78,、,79,2.比79多1的数是（）；一、复习旧知，引入新课78,2,4,6,8,10,11,13,15,17,19,22,28,33,37,44,46,55,64,66,73,82,88,91,99,1,3,5,7,9,12,14,16,18,20,21,23,24,25,26,27,29,30,31,32,34,35,36,38,39,40,41,42,43,45,47,48,49,50,51,52,53,54,56,57,58,59,60,61,62,63,65,67,68,69,70,71,72,74,75,76,77,78,79,80,81,83,84,85,86,87,89,90,92,93,94,95,96,97,98,按照数的顺序，在空格里填数。,百数图,246810111315171922283337444655,100,98,97,96,95,94,93,92,90,89,87,86,85,84,83,81,80,79,78,76,75,74,72,71,70,69,68,67,65,63,62,61,60,59,58,57,56,54,53,52,51,50,49,48,47,45,43,42,41,40,39,38,36,35,34,32,31,30,29,27,26,25,24,23,21,20,18,16,14,12,9,7,5,3,1,13,2,11,22,33,44,55,66,77,88,99,4,6,8,10,15,17,19,28,37,46,64,73,82,91,按照数的顺序在空格里填数,:,百数表中藏着好多秘密呢，小朋友你发现了吗？,100989796959493929089878685848,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,给十位是,3,的数涂上绿色。,123456789101112131415161718192,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,给个位是,3,的数涂上黄色。,123456789101112131415161718192,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,给个位和十位数字相同的数涂上粉色。,123456789101112131415161718192,2,4,6,8,10,11,13,15,17,19,22,28,33,37,44,46,55,64,66,73,77,82,88,91,99,你还能从表里发现哪些有趣的排列？,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,246810111315171922283337444655,2,4,6,8,10,11,13,15,17,19,22,28,33,37,44,46,55,64,66,73,82,88,91,99,1,3,5,7,9,12,14,16,18,20,21,23,24,25,26,27,29,30,31,32,34,35,36,38,39,40,41,42,43,45,47,48,49,50,51,52,53,54,56,57,58,59,60,61,62,63,65,67,68,69,70,71,72,74,75,76,77,78,79,80,81,83,84,85,86,87,89,90,92,93,94,95,96,97,98,你从表中发现哪,些有趣的排列？,第,5,行第,6,个数是,多少？,77,前面的数是几？,46,76,百数图,246810111315171922283337444655,第,4,行第,8,个数是多少,?,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,55,前面一个数是多少？,第4行第8个数是多少?1234567891011121314,25,42,26,35,24,15,70,79,88,97,53,64,54,52,62,63,44,43,80,90,89,98,99,100,魔力框,254226352415707988975364545262,猜一猜,在,1,100,中，个位上是,0,的数一共有多少个？在第几列的位置上？,个位上是,1,的数在第几列？,十位上是,9,的数有多少个？在第几行的位置上？,猜一猜在1100中，个位上是0的数一共有多少个？在第几列的,说出,1,100,中个位上是,5,的所有的数。,说出,1,100,中十位上是,5,的所有的数。,说出1100中个位上是5的所有的数。,填一填,比,69,大,1,的数是,(),，比,69,少,10,的数是（），比,69,多,30,的数在第（）列的位置上。,比,100,小,1,的数是,(),。,40,比,(),大,1,，比,(),小,1,。,70,99,39,41,59,9,填一填 比69大1的数是()，比69 少10的,28,26,从图的最后一行能看出来。,28,在,26,的后面，,28,26.,28,有,2,个十和,8,个一。,26,是,2,个十和,6,个一,.,2826从图的最后一行能看出来。28在26的后面，28,百 十 个,百 十 个,39,45,我从十位看出来的，,3,个十,4,个十。,百 十 个百 十 个3945”“,”“”或“=,（,1,）上面这组数中最小的数是哪一个？,（,2,）上面这组数中最大的数是哪一个？,（,3,）将它们按照从小到大的顺序排列起来。,23,56,32,44,78,23,78,23,56,32,44,78,（1）上面这组数中最小的数是哪一个？（2）上面这组数中最大的,把卡片放在小圆圈里：,79,38,58,60,98,79,38,58,60,98,把卡片放在小圆圈里：,10,0,（）,（）,（）,50,（）,（）,（）,（）,100,61,60,（）,（）,（）,（）,69,62,（）,66,（）,在括号里填上合适的数。,63,64,65,67,68,70,一个一个地,数的。,20,30,40,60,70,80,90,十个十个地,数的。,100（）（）（）50（）（）（）（）1006,想一想，连一连。,38,49,61,56,85,90,74,51,24,大于,60,的数,小于,60,的数,想一想，连一连。384961568590745124大于60,
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