《三年级上册数学课件-2.13三位数除一位数(三)∣浙教版(共25张PPT)》由会员分享,可在线阅读,更多相关《三年级上册数学课件-2.13三位数除一位数(三)∣浙教版(共25张PPT)(25页珍藏版)》请在金锄头文库上搜索。
1、三位数除一位数(三),平均每组捡了多少个?,4244,400,100(个),4244,440,110(个),平均每组捡的个数在100110个之间。,用4去除被除数十位上的2,不够商1,怎么办?,可这样简写:,106,第2组平均每人大约捡了多少个?,商个位上的0可以省略吗?为什么?,验算:205+3=103,2 0,01=0,02=0,03=0,04=0,05=0,06=0,07=0,08=0,09=0,0除以任何不是0的数都得0。,02= 07= 05=,02= 07= 05=,0,0,0,这个星期的前三天共产鸡蛋306千克,前3天平均每天产鸡蛋多少千克?,估计3063的商比100大一些,30
2、63= ( ),3003=10063=2 1002=102,3063= ( ),3063= ( ),3 0 6,),3,1,3,0,0,0,6,6,0,2,102 千克,3063= ( ),3 0 6,),3,1,3,0,0,0,6,6,0,2,102 千克,3 0 6,),3,1,3,0,6,6,0,2,4 8 0,),4,3 5 0,),5,4,),4,4,8,8,0,2,1,0,8,0,0,0,4,),4,4,8,8,2,1,0,8,0,4,),4,4,8,8,0,2,1,0,8,0,3 5 0,),5,0,0,7,5,3,6,),2,),3,6,8,8,1,4,3,9,3,0,9,3,
3、0,),4,8,4,4,1,0,2,0,8,0,3,0,9,9,0,4,7077,5084,4408,9063,8202,2406,8005,4072,江苏省电化教育馆制作,7077,5084,4408,9063,8202,2406,8005,4072,9,),3,9,6,6,2,0,3,0,0,6,7077,5084,4408,9063,8202,2406,8005,4072,7,),7,7,7,7,1,0,1,0,0,7,7077,5084,4408,9063,8202,2406,8005,4072,2,),6,2,0,0,4,4,4,0,7077,5084,4408,9063,8202,
4、2406,8005,4072,8,),2,8,2,2,0,1,4,0,2,0,7077,5084,4408,9063,8202,2406,8005,4072,4,),2,4,6,7,3,0,2,1,0,7,7077,5084,4408,9063,8202,2406,8005,4072,8,),5,5,3,3,0,6,1,0,0,0,0,0,7077,5084,4408,9063,8202,2406,8005,4072,5,),4,4,8,1,7,2,1,2,0,8,0,8,8,2,0,7077,5084,4408,9063,8202,2406,8005,4072,4,),8,4,0,5,5,0,4,0,4,4,0,0,