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    小学数学二级上册认识时间.ppt

    • 资源ID:2239332       资源大小:2.52MB        全文页数:60页
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    小学数学二级上册认识时间.ppt

    1,认识时间,二年级上册,2,你能说出钟面上的时间吗?,3,3:00,()时,分针,时针,12,3,3,4:00,()时,4,4,()时,8,8:00,5,3:00,9:00,6:00,12:00,6,分针,时针,7,3,4,5,6,7,8,9,10,11,12,2,钟面上有()个大格,12,8,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,(),1,2,3,4,(),每个大格里有()个小格,5,9,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,每个大格里有(5)个小格,一共有(60)个小格,10,11,12,10,1,2,3,4,5,6,9,8,7,钟面上有12个大格,有60个小格,11,11,12,10,1,2,3,4,5,6,9,8,7,时针走1大格是1小时,12,11,12,10,1,2,3,4,5,6,9,8,7,1,分针走1小格是1分。,13,12,1,2,3,4,5,6,7,8,9,10,11,1分钟有多长呢?,14,11,12,10,1,2,3,4,5,6,9,8,7,5,分针走1大格是5分。,15,11,12,10,1,2,3,4,5,6,9,8,7,5,10,16,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,5,10,17,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,18,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,19,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,20,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,21,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,22,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,23,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,24,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,55,25,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,55,60,26,1,2,3,4,5,7,6,8,11,12,10,9,1时=60分,27,分针走一圈,时针走一个大格。1时 60分,=,28,11,12,10,1,2,3,4,5,6,9,8,7,12:00,29,11,12,10,1,2,3,4,5,6,9,8,7,1:00,30,11,12,10,1,2,3,4,5,6,9,8,7,1:多,31,11,12,10,1,2,3,4,5,6,9,8,7,1:多,32,11,12,10,1,2,3,4,5,6,9,8,7,1:多,33,11,12,10,1,2,3,4,5,6,9,8,7,2:00,34,11,12,10,1,2,3,4,5,6,9,8,7,4:00,35,11,12,10,1,2,3,4,5,6,9,8,7,4:多,36,11,12,10,1,2,3,4,5,6,9,8,7,4:多,37,11,12,10,1,2,3,4,5,6,9,8,7,5:00,38,11,12,10,1,2,3,4,5,6,9,8,7,9:00,39,11,12,10,1,2,3,4,5,6,9,8,7,9:多,40,11,12,10,1,2,3,4,5,6,9,8,7,41,11,12,10,1,2,3,4,5,6,9,8,7,11:多,42,11,12,10,1,2,3,4,5,6,9,8,7,12:00,43,11,12,10,1,2,3,4,5,6,9,8,7,44,11,12,10,1,2,3,4,5,6,9,8,7,45,11,12,10,1,2,3,4,5,6,9,8,7,5,4时,4:05,5分,46,11,12,10,1,2,3,4,5,6,9,8,7,5,4:15,10,15,47,11,12,10,1,2,3,4,5,6,9,8,7,5,4:30,10,30,20,25,15,4时半,48,11,12,10,1,2,3,4,5,6,9,8,7,5,4:45,10,30,20,25,15,35,40,45,49,11,12,10,1,2,3,4,5,6,9,8,7,4:55,30,35,40,45,50,55,50,11,12,10,1,2,3,4,5,6,9,8,7,5:00,30,45,15,51,谁最棒?,52,715,53,120,54,525,55,845,56,1150,57,730,740,800,120,1045,955,605,58,930,640,935,59,60,请珍惜每一分,让生命更有价值!,

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