一年级数学下册-百数表ppt课件-沪教版

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,*,百数表,沪教版一年级数学下册,百数表沪教版一年级数学下册,1,学习目标：,1.使同学们能够熟练掌握百数表。,2.能够根据几行几列写出百数表中的数字。,学习目标：,2,一年级数学下册-百数表ppt课件-沪教版,3,一年级数学下册-百数表ppt课件-沪教版,4,21,22,23,24,25,26,27,28,29,30,2,2,2,2,2,2,2,2,2,21222324252627282930222222222,5,一年级数学下册-百数表ppt课件-沪教版,6,1,23,34,45,56,67,78,89,100,11,22,33,44,55,99,66,77,88,12,123344556677889100112233445599,7,23,33,53,63,23335363,8,23,25,26,27,23252627,9,12,12在第（）行第（）列,2,2,1212在第（）行第（）列22,10,35,35在第（）行第（）列,4,5,3535在第（）行第（）列45,11,行,3,5,列,5,2,数,猜猜它是几？,行 3 5 列 5 2 数猜猜,12,21,22,23,24,25,26,27,28,29,30,5,15,25,35,45,55,65,75,85,95,25,21222324252627282930 515253545,13,行,3,5,列,5,2,数,25,行 3 5 列 5 2 数,14,41,42,43,44,45,46,47,48,49,50,2,12,22,32,42,52,62,72,82,92,42,41424344454647484950 212223242,15,行,3,5,列,5,2,数,25,42,行 3 5 列 5 2 数,16,学数表背口诀,行是横、列是竖；,行是十位，列是个；,遇到行，要减1；,遇到列，它不变；,第十列，行不变。,学数表背口诀行是横、列是竖；,17,28,47,45,53,39,2847455339,18,27,25,填一填,28,37,38,24,26,15,35,67,66,56,76,68,58,78,67,57,56,76,77,58,78,2725填一填28373824261535676656766,19,行,2,3,4,5,6,7,4,4,4,8,8,8,8,8,8,列,5,5,5,5,5,5,6,7,8,3,4,5,6,7,8,数,填一填、画一画,行234567444888888列5555556783456,20,1,2,3,4,5,7,9,10,6,8,11,13,15,17,19,12,14,16,18,20,21,23,25,27,29,22,24,26,28,30,31,33,35,37,39,32,34,36,38,40,41,43,45,47,49,42,44,46,48,50,51,53,55,57,59,52,54,56,58,60,61,63,65,67,69,62,64,66,68,70,71,73,75,77,79,72,74,76,78,80,81,83,85,87,89,82,84,86,88,90,91,93,95,97,99,92,94,96,98,100,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,8,8,8,8,9,9,9,9,0,0,0,0,123457910681113151719121416182,21,行是横、列是竖；,行是十位，列是个；,遇到行，要减1；,遇到列，它不变；,第十列，行不变。,学数表背口诀,行是横、列是竖；学数表背口诀,22,