人教版一年级下册数学第四单元-数的顺序--比较大小省名师优质课赛课获奖课件市赛课一等奖课件.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,*,本资料仅供参考，不能作为科学依据。谢谢。本资料仅供参考，不能作为科学依据。谢谢您,100,以内数,次序,第1页,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,按照数次序在空格里填数,:,百数表中藏着好多秘密呢，儿童你发觉了吗？,第2页,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，个位上数字相加等于,10,数占方格图上绿色,第3页,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，个位上数字相加等于,10,数占方格图上绿色,第4页,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,4546,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,给个位是,3,数涂上黄色。,第5页,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数涂上粉色。,第6页,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,你还能从表里发觉哪些有趣排列？,1,2,3,4,5,6,7,89,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,第7页,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8页,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,第9页,说出1100中个位上是5全部数。,说出1100中十位上是5全部数。,第10页,猜一猜,在1100中，个位上是0数一共有多少个？在第几列位置上？,个位上是1数在第几列？,十位上是9数有多少个？在第几行位置上？,第11页,填一填,比69大1数是()，比69 少10数是（），比69多30数在第（）列位置上。,比,100,小,1,数是,(),。,40,比,(),大,1,，比,(),小,1,。,70,99,39,41,59,9,第12页,52 72,46,48,70 86,12,36 50,98,儿童，你们好，你知道我是谁吗？,14,第13页,12,36 50,98,14,52 72,46,48,70 86,(1),正方形里最大数是我,我是,.,儿童，你们好，你知道我是谁吗？,98,第14页,12,36 50,98,14,52 72,46,48,70 86,(1),正方形里最大数是我,我是,.,儿童，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,第15页,12,36 50,98,14,52 72,46,48,70 86,(1),正方形里最大数是我,我是,.,儿童，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,第16页,12,36 50,98,14,52 72,46,48,70 86,(1),正方形里最大数是我,我是,.,儿童，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,第17页,比一比,42,37,42,里面有,4,个十。,37,里面有,3,个十。,第18页,比一比,两位数比大小，先比十位，,十位上数一样，再比个位，,个位上数大这个数就大,。,百位十位个位,百位十位个位,23,25,2 3,2 5,第19页,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，,十位上数大这个数就大。,2 9,3 0,第20页,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，,十位上数大这个数就大。,8 1,1 8,第21页,64,58,45,47,6,5,4,4,5,7,两位数比大小，先比十位，,十位上数一样，再比个位，,个位上数大这个数就大,。,第22页,在 里填上“,”,或“,=”,。,41 45,68 78,57 56,98 89,80 90,69 69,=,第23页,再见,第24页,