2016（人教新课标）小学一年级数学下册 7.2认识时间（二） 课件.ppt

认识时间2,11,12,10,1,2,3,4,5,6,9,8,7,4 ：15,4时15分,5,10,15,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,?,?,11,12,10,1,2,3,4,5,6,9,8,7,4 ：15,4时15分,5,10,15,11,12,10,1,2,3,4,5,6,9,8,7,4 ：16,4时16分,5,10,15,16,11,12,10,1,2,3,4,5,6,9,8,7,4 ：17,4时17分,5,10,15,17,11,12,10,1,2,3,4,5,6,9,8,7,4 ：18,4时18分,5,10,15,18,11,12,10,1,2,3,4,5,6,9,8,7,4 ：19,4时19分,5,10,15,19,写出钟面上的时刻,60,50,10,15,3,20,时（ ）分 分分（ ）分 分比小时少（ ）分 小时比分多（ ）分 时分（ ）时（ ）分,20,同学们再见！,