数顺大小课件.ppt

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,*,100,以内,数的,顺序和大小,7,按照数的顺序，在空格里填数,2,4,6,8,10,11,13,15,17,19,22,28,33,37,44,46,55,64,66,73,82,88,91,99,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？,百数图,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。,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。,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。,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,按照数的顺序填数,。,(1),(2),0,10,()()(),50,()()()()(),32,29,28,30,31,33,20,30,40,60,70,80,90,100,练一练,比一比,28,26,百位十位个位,百位十位个位,比一比,39,45,3 2,3 0,64,58,45,47,6,5,4,4,5,7,两位数比大小，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,。,在 里填上“,”,或“,=”,。,23 33,93 94,57 53,99 100,69 68,40 40,=,49,37,40,51,42,请把这些小鱼从小到大的顺序排列起来。,52 72,46,48,70 86,12,36 50,98,小朋友，你们好，你知道我是谁吗？,14,12,36 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,全课总结,通过这节课的学习你有什么收获,?,