三年级数学上册26三位数被一位数除课件1沪教版.ppt

1、三位数被一位数除（一）三位数被一位数除（一）954=893=39 581 51 2 3 ）4233 98 962 92 7 2 ）3292536536张手工纸平均分给张手工纸平均分给3 3个班，每个班能分到个班，每个班能分到几张？还剩下几张？几张？还剩下几张？5363=178（张）2（张）3003=1002103=70 263=8 2探究一探究一探究一探究一探究二探究二探究三探究三536536张手工纸平均分给张手工纸平均分给3 3个班，每个班能分到个班，每个班能分到几张？还剩下几张？几张？还剩下几张？5363=178（张）2（张）探究一探究一探究一探究一探究二探究二探究三探究三23）5 3 6

2、1 37361482222536536张手工纸平均分给张手工纸平均分给3 3个班，每个班能分到个班，每个班能分到几张？还剩下几张？几张？还剩下几张？5363=178（张）2（张）验算：验算：17832 =534 2 =536 探究一探究一探究一探究一探究二探究二探究三探究三536536张手工纸平均分给张手工纸平均分给3 3个班，每个班能分到个班，每个班能分到几张？还剩下几张？几张？还剩下几张？5363=178（张）2（张）验算：验算：17832 =534 2 =536 探究一探究一探究一探究一探究二探究二探究三探究三6323=2102探究二探究二03）6 3 22 6132302探究一探究一探

3、究二探究二探究三探究三8364=4）8 3 62 98 3 6 3 6 04）8 3 62 0 98 3 6 3 6 0探究三探究三探究一探究一探究二探究二探究三探究三十位上的3除以4不够商1，十位上就要用0来代替。2092 1 06 3 3 2 4）8 3 62 0 98 3 6 3 6 02）8 0 74 0 38 7 6 13）5 4 01 8 032 42 4 0探究一探究一探究二探究二探究三探究三3）6 3 2在计算这些除法题时，请注意商“0”噢！8753=9459=6846=1284=6003=2002703=9053=1229129009=100459=51056006=1006

4、06=10246=41141004=25284=732练习一练习一练习二练习二练习三练习三练习四练习四4）6 2 56）8 0 91 3 462 01 8 2 9 2 4 53）8 2 22 7 462 22 1 1 2 1 2 07）8 1 91 1 771 1 7 4 9 4 9 01 5 642 22 0 2 5 2 4 1练习一练习一练习二练习二练习三练习三练习四练习四1 1）要使得）要使得1 116167 7的商中间有的商中间有1 1个个0 0，里面应，里面应填（填（）。）。A.1 B.2 C.3 D.4 E.0A.1 B.2 C.3 D.4 E.02 2）要使得）要使得6 6545

5、46 6的商中间有的商中间有2 2个个0 0，里面应，里面应填（填（）。）。A.1 B.2 C.3 D.4 E.0A.1 B.2 C.3 D.4 E.0DE练习一练习一练习二练习二练习三练习三练习四练习四3）3 4 61 1 1 3 4 3 6 3）9 0 73 2 9 7 6 1 6）7 2 01 261 2 1 2 0 （）（）（）练习一练习一练习二练习二练习三练习三练习四练习四计算法则：从被除数的最高位除起，计算法则：从被除数的最高位除起，除到哪位商就写在那位。除到哪位商就写在那位。哪一位上不够商哪一位上不够商“1”1”，要用要用“0”0”占位！占位！本课小结团Tiffany，a 16y

6、earold girl，was very shy.Last September，her best friend，Sophie，moved abroad with her family because she had to continue her studies in America.She even said she would not come back for at least a few years.1 “I was really sad the moment I heard the bad news and I didnt know what to do，”Tiffany recal

7、led.“I shut myself in my room for a whole week.It was then that my aunt took me to a sports club one Saturday and I saw so many young people playing different kinds of sports there.I signed up for a beginners course in volleyball and since then I have been playing this sport.Now I practice twice a w

8、eek there.It is wonderful playing sports in this club and I have made lots of friends as well.2 ”The most basic aim of playing sports is that you can improve your health even if you are not very good at sports.Besides，you can get to know a circle of people at your age while playing sports.3 Since sh

9、e joined the sports club，she has opened up herself and now she has become very active and enjoys meeting and talking with others.1Its polite for girls to kiss each other on the side of the face.4Its no big deal.For most people，that is one of the reasons why they join a sports club.4 You dont have to

10、 sit down and talk to strangers.You go in for sports and it is easier to understand your partners on the same team.Now Tiffany is quite popular with her friends and she has also become more confident.团圆圆一家在台湾可受欢迎了。每天，小朋友们排着长队，等着跟它们合影留念。从“排着长队”体现出每天喜欢它们的人不计其数，特别受欢迎。从“合影留念”体现出大家都想和大熊猫留住最美丽的瞬间以作纪念。Nothing can be accomplished without norms or standards.感谢阅读下载！祝你生活愉快，身体健康