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单击以编辑,母版标题样式,单击以编辑母版文本样式,第二级,第三级,第四级,第五级,*,李德会,1,4,10,13,15,18,2,3,5,6,7,8,9,11,12,14,16,17,19,20,帮我填一填,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,帮我填一填,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,填一填,55,前面的一个数是多少?,第,4,行第,8,个数是多少?,54,38,1,2,3,4,6,7,8,9,10,11,12,13,14,16,17,18,19,20,21,22,23,24,26,27,28,29,30,31,32,33,34,36,37,38,39,40,41,42,43,44,46,47,48,49,50,51,52,53,54,56,57,58,59,60,61,62,63,64,66,67,68,69,70,71,72,73,74,76,77,78,79,80,81,82,83,84,86,87,88,89,90,91,92,93,94,96,97,98,99,100,涂一涂,1,、给十位是,3,的数涂上红色,;,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,涂一涂,2,、给个位是,3,的数涂上绿色,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,涂一涂,3,、给个位和十位相同的数涂上粉色。,按照数的顺序填数。,(,1,),29 31,32,30,(,2,),0,10,(),(),50,(),(),(),(),(),28,33,20,30,40,60,70,80,90,100,(),练一练,百 十 个,百 十 个,9,4,5,3,57 70,80 79,你发现了什么?,比一比,百 十 个,百 十 个,3,2,3,0,4 5 4 8,2 8 2 6,你发现了什么?,比一比,百 十 个,百 十 个,0,0,5,3,1,三位数,两位数,9 27,一位数,两位数,你发现了什么?,比一比,先看位数,位数多的数肯定大。,都是两位数时,先比十位上的数。,十位上的数相同时,再比个位上的数。,52 72,46,48,70 86,12,36 50,98,小朋友,你们好,你知道我是谁吗?,14,考一考,12,36 50,98,14,52 72,46,48,70 86,(1),正方形里最大的数是我,我是,.,小朋友,你们好,你知道我是谁吗?,98,12,36 50,98,14,52 72,46,48,70 86,(1),正方形里最大的数是我,我是,.,小朋友,你们好,你知道我是谁吗?,(2),我在圆和三角形里,比,80,大,我是,.,98,86,12,36 50,98,14,52 72,46,48,70 86,(1),正方形里最大的数是我,我是,.,小朋友,你们好,你知道我是谁吗?,(2),我在圆和三角形里,比,80,大,我是,.,(3),我在正方形,圆和三角形里,我是,.,98,70,86,12,36 50,98,14,52 72,46,48,70 86,(1),正方形里最大的数是我,我是,.,小朋友,你们好,你知道我是谁吗?,(2),我在圆和三角形里,比,80,大,我是,.,(3),我在正方形,圆和三角形里,我是,.,(4),我在正方形和圆里,比,50,小,我是,.,98,70,86,48,练一练,全课总结,
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