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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,*,学前准备:,1,、,9+,(),=10,2,、口答,3 6 5 8,3,、口算,9+1+4= 9+1+7= 9+1+2=,1,1,1,1,1,2,5,4,7,14,17,12,凑 十 法,先放进,1,盒凑成,10,,,10,3,得,13,。,1,,,2,,,3.12,,,13,,一共有,13,盒。,9,,,10,,,11,,,12,,,13,,一共有,13,盒。,现在有多,少盒?,你喜欢哪一种方法?,牛奶,牛奶,牛奶,牛奶,牛奶,牛奶,牛奶,牛奶,牛奶,牛奶,牛奶,牛奶,牛奶,箱子里有,9,盒,箱子外有,4,盒,?,盒,9,4,1,3,10,1,3,10,盒,3,盒,凑十法,踢毽的和跳远的一共有多少人?,9,7,1,6,10,1,6,凑十法,看大数,分小数,凑成十,算得数。,凑十法,?根,9,3,1,2,10,1,2,?个,9,7,1,6,10,1,6,?个,9,5,1,4,10,1,4,9,6,1,5,10,1,5,9,4,1,3,10,1,3,9,8,1,7,10,1,7,9+5= 9+2= 9+9=,9+4= 9+8= 9+6=,9+7= 9+3=,14,11,18,13,17,15,16,12,1,6,10,9,7,1,6,13,17,15,11,14,12,16,18,1,2,10,9,3,1,2,1,7,10,9,8,1,7,9,5,1,4,10,1,4,9,6,1,5,10,1,5,你还能从图中提出哪些数学问题?,(,9,加几),
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