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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,*,1020,各数的认识,1020各数的认识,1,2,3,4,5,6,7,8,9,10,11,12,13,15,18,14,16,17,19,20,123456789101112131518141617192,请摆出,12,根小棒。,请摆出12根小棒。,12,根,12根,一年级上册数学11-20各数的认识冀教版课件,1,个十,2,个一,1个十2个一,13,13,16,16,摆出 根小棒。,13,17,15,19,20,摆出 根小棒。1317151920,摆出 根小棒。,13,17,15,19,20,摆出 根小棒。1317151920,摆出 根小棒。,13,17,15,19,20,摆出 根小棒。1317151920,1,2,3,4,5,6,7,8,9,10,11,12,13,15,18,14,16,17,19,20,123456789101112131518141617192,1,2,3,4,5,6,7,8,9,10,11,12,13,15,18,14,16,17,19,20,11,1 2 3 4 5 6 7 8 9 10,()()()()()()()()()(),12,13,15,18,14,19,20,16,17,123456789101112131518141617192,()个,()个,()个,()个()个()个,读出直尺上的数。,读出直尺上的数。,数一数。,五十五,七十三,八十九,数一数。五十五七十三八十九,13,15,18,11,20,1315181120,一年级上册数学11-20各数的认识冀教版课件,
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