《有余数的除法》课件(省一等奖).pptx
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《有余数的除法》课件(省一等奖).pptx
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有余数的除法,西南大学附属小学骆丹,义务教育教科书数学(西师版)二年级下册,游戏:
听数抱团,3,3,6,18个小朋友,,每6人分一组,可以分成几组?
7,18个小朋友,,每7人分一组,可以分成几组?
7,19个小朋友,,每7人分一组,可以分成几组?
207=2(组),6(个),217=3(组),227=3(组),1(个),20个,21个,22个,如果继续这样分下去,每7个分一组,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,1,2,3,4,5,6,22个,23个,24个,25个,26个,27个,28个,29个,7=,165=3(组),1(个),16个,每5个分一组,18个,185=3(组),3(个),19个,195=3(组),4(个),1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4,5=,134=3(组),1(个),13个,每4个分一组,14个,144=3(组),2(个),15个,154=3(组),3(个),1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,1,2,3,4=,余数必须小于除数,余数,除数,1,2,3,4,5,6,1,2,3,4,1,2,3,(可能是),(可能是),(可能是),5=,4=,7=,1、,2、,3、,4、,5、,6,1、,2、,3、,4,1、,2、,3,8,小老鼠抢抢抢,18,274,369,183,425,337,有余数,没余数,小青蛙跳跳跳,余数最大是几?
6=5,除数是个一位数,请问除数是几?
9=98,小海豚顶顶顶,283=,8,9,4,1,发现生活中的“有余数除法”的问题。
谢谢!
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