苏教版二年级下册《认识时分》1.ppt
,12,1,2,3,4,5,6,7,8,9,10,11,分针,时针,1,2,3,4,5,7,6,8,11,12,10,9,5,10,15,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,钟面上一共有60个小格。,1,2,3,4,5,7,6,8,11,12,10,9,5,10,25,30,20,15,60,35,40,45,50,55,钟面上一共有()个大格,每大格里有()个小格,一共有()个小格。,12,5,60,时针从()走到(),走了()大格,经过了()小时。,4,4,4,12,时针从()走到(),走了()大格,经过了()小时。,7,6,6,1,时针从()走到(),走了()大格,经过了()小时。,6,11,5,5,分针从12走到(),是()个5分,就是()分。,5,5,25,分针从12走到(),是()个5分,就是()分。,7,7,35,分针从12走到(),是()个5分,就是()分。,9,9,45,11,12,10,1,2,3,4,5,6,9,8,7,11,12,10,1,2,3,4,5,6,9,8,7,5,11,12,10,1,2,3,4,5,6,9,8,7,5,10,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,5,10,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,55,11,12,10,1,2,3,4,5,6,9,8,7,5,10,15,20,25,30,35,40,45,50,55,60,分针从12走到(),是()个5分,就是()分。,12,12,60,一分钟,一分钟可以生产600瓶可乐,银行点钞机点1500张人民币,中央电视台播音员播180个字,一分钟能生产2台彩电,一分钟能生产1600支铅笔,一分钟能做些什么呢?,1,2,3,4,5,6,7,8,9,10,11,12,1,2,3,4,5,6,7,8,9,10,11,12,1时=60分,小朋友每天在学校6(),读一篇课文要用3(),穿一件衣服用2(),小时,分钟,分钟,填上时间单位“小时、分钟”,