认识整时认识半时综合练习认识时钟退出钟表店返回123456789101112123456789101112时针分针1234567891011123时8时12时4时112112345678910(7时)(10时)(3时)(6时)(9时)(12时)7时7时半512123467891011•512123467891011•512123467891011•7时半8时半11时半钟面上各是几时半?9时5点半6时11点半综合练习112112345678910(7时)(10时)(7时半)(4时半)(3时半)(12时)综合练习说一说yícùnguāngyīnyícùnjīn一寸光阴一寸金cùnjīnnánmǎicùnguāngyīn寸金难买寸光阴下课