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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,*,数的顺序,比较大小,第四单元,100,以内数的认识,数的顺序 第四单元 100以内数的认识,1,100,98,97,96,95,94,93,92,90,89,87,86,85,84,83,81,80,79,78,76,75,74,72,71,70,69,68,67,65,63,62,61,60,59,58,57,56,54,53,52,51,50,49,48,47,45,43,42,41,40,39,38,36,35,34,32,31,30,29,27,26,25,24,23,21,20,18,16,14,12,9,7,5,3,1,13,2,11,22,33,44,55,66,77,88,99,4,6,8,10,15,17,19,28,37,46,64,73,82,91,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?,100989796959493929089878685848,2,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,给十位是,3,的数涂上绿色。,123456789101112131415161718192,3,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,给个位是,3,的数涂上黄色。,123456789101112131415161718192,4,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,给个位和十位数字相同的数涂上粉色。,123456789101112131415161718192,5,2,4,6,8,10,11,13,15,17,19,22,28,33,37,44,46,55,64,66,73,77,82,88,91,99,你还能从表里发现哪些有趣的排列?,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,246810111315171922283337444655,6,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?1234567891011121314,7,25,42,26,35,24,15,70,79,88,97,53,64,54,52,62,63,44,43,80,90,89,98,99,100,魔力框,254226352415707988975364545262,8,说出1100中个位上是5的所有的数。,说出1100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。,9,猜一猜,在1100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,10,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,11,比一比,42,37,42,里面有,4,个十。,37,里面有,3,个十。,比一比423742里面有4个十。37里面有3个十。,12,比一比,两位数比大小,先比十位,,十位上的数一样,再比个位,,个位上的数大的这个数就大,。,百位十位个位,百位十位个位,23,25,2 3,2 5,比一比 两位数比大小,先比十位,百位十位个位百位十,13,百位十位个位,百位十位个位,比一比,29,30,两位数比大小,先比十位,,十位上的数大这个数就大。,2 9,3 0,百位十位个位百位十位个位比一比2930 两位数比大小,,14,百位十位个位,百位十位个位,比一比,81,18,两位数比大小,先比十位,,十位上的数大这个数就大。,8 1,1 8,百位十位个位百位十位个位比一比8118 两位数比大小,,15,64,58,45,47,6,5,4,4,5,7,4457 两位数比大小,先,16,在 里填上“,”,或“,=”,。,41 45,68 78,57 56,98 89,80 90,69 69,=,在 里填上“”或“=”。41,17,79,65,60,38,98,()()()()(),38,60,65,79,98,7965 603898()()()(,18,今天你有什么收获?,今天你有什么收获?,19,
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