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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,*,1,、,1,个十和,2,个一组成()。,2,、,20,是()个十组成。,3,、,5,个一和,1,个十组成()。,4,、()个十和()个一组成,17,。,5,、,1,个十和,8,个一组成()。,15,2,12,1,7,18,100,以内数的认识,数数,数的组成,13,按照数的顺序在空格里填数,:,2,11,22,33,44,55,66,77,88,99,4,6,8,10,15,17,19,28,37,46,64,73,82,91,100,以内数的顺序,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,按照数的顺序在空格里填数,:,2,11,22,33,44,55,66,77,88,99,4,6,8,10,15,17,19,28,37,46,64,73,82,91,100,以内数的顺序,(),40,10,40,(),大约,估一估,(),80,40,大约,大约,估一估,10,10,1个1,10,个,1,1 0,10,个,10,1 0 0,1,10,20,30,40,50,60,70,80,90,100,十个十个的数,有()个。,有()个。,41,29,数一数。,29,后面是,59,后面是,79,后面是,99,后面是,30,60,80,100,看你行不行,从三十五数到四十二。,三十五,四十二,从八十八数到一百。,八十八,,八十九,,九十,,九十一,,九十二,,九十三,,九十四,,九十五,,九十六,,九十七,,九十八,,九十九,,一百。,从五十六数到六十三,再接着数到七十二。,28,30,32,34,36,38,40,42,50,55,60,65,70,75,80,85,三十五,,()个十和()个一。,3,5,四十三,,()个十和()个一。,4,3,六十二,,()个一和()个十。,2,6,10,支笔,46,是由()个十和()个一。,4,6,24,是由()个十和()个一。,2,4,汤圆,汤圆,数一数,填一填。,6,5,7,8,绿色圃中小学教育网,http:/,
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