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教育 · 2022年9月30日 0

永宁县北师大版小学数学空中课堂链接

一年级上册
一年级数学第1课时《快乐的家园》第一课时
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=700754cb5cac44dc8b145a9965530f57
一年级数学第2课时《快乐的家园》（第二课时）…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=cf9f39e390d6480393f511b44b646ad9
一年级数学第3课时《玩具》..
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=97e63706045844a88d4a8c22e4c6575d
一年级数学第4课时《小猫钓鱼》..
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=3a9e61c6fc234ec299870cd274e19ec3
一年级数学第5课时《文具》（第1课时）
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=6511808bdc804680995b37c35564377d
一年级数学第6课时《文具》（第2课时）
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f47d03d131b843b488c8d552b4985fae
一年级数学第7课时《快乐的午餐》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=ae326df60f1f4e6fa0380f7e383f3e3d
一年级数学第8课时《动物乐园》
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=8ec11c0cfab2417797032fc6509f595f
一年级数学第9课时《过生日》..
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=5bd8c185dc624aaeabe619a7e72233de
一年级数学第10课时《下课啦》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=174c852088c746deaf082840e852e1d6
一年级数学第11课时《跷跷板》..
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=6bd29a4ae8cd49b0ae3be09af1756bc3
一年级数学第12课时《一共有多少》（第一课时）
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=02fd77ab28134f7e9ba906707774e0a6
一年级数学第13课时《一共有多少》（第二课时）
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=c84bcb9f6b984be2a8b1e7ab8353458d
一年级数学第14课时《还剩下多少》（第一课时…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=bdb928037e014679b377a8a81b337168
一年级数学第15课时《还剩下多少》（第二课时…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=999f36d4012f4d609a92370324f92f4f
一年级数学第16课时《可爱的小猫》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=14qBrMavy2pW9umzuhd7eMDVpwQ62xRtPK
一年级数学第17课时《练习一》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=e9cb09dc11644a07a3b6e26e717b6e45
一年级数学第18课时《猜数游戏》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=6aba98dacb7f4a239573ae38bc9918ed
一年级数学第19课时《背土豆》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=78c49be31cfa4af592058e55b3817e57
一年级数学第20课时《跳绳》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=a4c51d7ba1ca45c3b13645a50c71f54d
一年级数学第21课时《跳绳》（第二课时）…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=b376dcfb3a6c4b4988eadebba9932143
一年级数学第22课时《可爱的企鹅》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=da401759c3f548c999349460aeb4875b
一年级数学第23课时《小鸡吃食》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=3594ea704bad4ba5a1cffdb2afcb047c
一年级数学第24课时《乘车》（第一课…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=55dd6272b9944d49a28089e247064ab8
一年级数学第25课时《乘车》 (第二…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=7b5490d3415646e9bd44c1b6b15d37ad
一年级数学第26课时《练习二》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=0daf5790b3af4e9785fa44b7612e782b
一年级数学第27课时《做个加法表》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=27a3c977807044dea05dd91ceb02ef88
一年级数学第28课时《做个减法表》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=486a2dd165db4073b3d10389fd4e934a
一年级数学第29课时《整理和复习》（第一…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f6bea7d009384f24a1027b79e128062d
一年级数学第30课时《整理与复习》（第二…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=76b80685cb3d4d4d987af63cc7ee828d
一年级数学第31课时《整理与复习》（第三…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=ecac9703b478487d8127d8dee30482a5
一年级数学第32课四单元1.整理房间永…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f5c63b96f38c44df968c07f363d92650
一年级数学第33课四单元.一起来分类（…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d489b787b89c4795aecfefe7c15af48b
一年级数学第34课四单元一起来分类(…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=4e76be24e87d4f26b18a74bf9178639f
一年级数学第35课五单元前后…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=ba67556541894bc7a51e077f69f34f9c
一年级数学第36课五单元上下…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f4f949f0dcf043f48d0195d3346920d3
一年级数学第37课五单元左右
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=4583264f2695469cbfdf7e64fe760dae
一年级数学第38课五单元《教室》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=b3c3d9874520427281d72bfd2f7a63ed
一年级数学第39课六单元认识图形
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=5e4a06d159f545f9af5cf30e9cbdbc51
一年级数学第40课六单元我说你做..
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=0ab51e3e0f264a429bd32161fd65013d
一年级数学第41课七单元古人计数（第…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=db67e6477a3e4ab2bf974abca3961fd0
一年级数学第42课七单元古人计数(第…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=825e0c489a9a422d88c9f73a687b936d
一年级数学第43课七单元搭积木（2…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=5ff7afb597d94a99b22e65eeeb678b20
一年级数学第44课七单元有几瓶牛奶（9…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=0f52fdef694a4d14be0eb56629840f21
一年级数学第45课七单元有几棵树
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d9820378c9dc4dba9e97db80451a926c
一年级数学第46课七单元有几只小鸟
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=01eca136ae4a48bfb6015e8899c889dc
一年级数学第47课七单元练习三
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=7ecf3ff685754e3ebd70af735a6d92fc
一年级数学第48课七单元做个加法表
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=bf9cff7148b7475b85052c4cbfc4c209
一年级数学第49课七单元淘气的校园
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=57a2288566a6455d9004634c290dc76e
一年级数学第50课七单元一起做游戏 …
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=009bf0a0d18a40ddadf85bd6dc2d4bc2
一年级数学第51课八单元小明的一天 …
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=3ffbf7893022437893b9263c3ab5b325
一年级数学第52课八单元练一练
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=e38b49a2dfac4b10a56370d2949b45aa
一年级数学第53课总复习数与代数（一…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=52a4fa27e77d4cbfbb3c9ceee32679cc
一年级数学第54课总复习 ;数与代数（二
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=0876f89193e94615a1fbdc640fb033b7
一年级数学第55课总复习图形与几何
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=1b102380179445ec8ce4f9fb94f56222
一年级数学第56课总复习统计与概率
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=3ee53a5d39e144308d2a82b99ea51396

二年级上册
二年级第1课《谁的得分高》三沙源小学王悦 (1).mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=7c54094db4374977bfa80dcc216930ef
二年级第2课《秋游》三沙源小学马宏.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f527127094064b589d5d088a59f4c4a0
二年级第3课《星星合唱队》三沙源小学翟欣悦.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=89741ea4535d4857a3b8481f3ffdc660
二年级数学第4课《练习一》三沙源小学王丹.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=b1bba23fbc1d405682425764acc9f43a
二年级数学第5课《买文具》胜利中心小学李佳容.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=97b0ccf0262546c7a84452bfe8c54f97
二年级数学第6课《买衣服》胜利中心小学徐玲玲.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=14qBrMavy2pW9umzuhd7eMDVpwQ62xRtPK
二年级数学第7课《小小商店》胜利中心小学陈志勇.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=068a2415bf674088a1461d0ad72c6145
二年级数学第8课《谁的得分高》三沙源小学王丹.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=9888b1be04a640f9b6b35810da3505dd
二年级数学第9课《儿童乐园》三沙源小学王丹.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=769d9dc428df47d5865882cceaee6735
二年级数学第10课《有多少点子》三沙源小学熊丽萍.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=044103d83f2041b0a9487f98b1431268
二年级数学第11课《动物聚会》三沙源小学熊丽萍.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=e3d977e8fe5748288d2d5757a2bd5aa0
二年级数学第12课《练习二》三沙源小学王慧.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=72cc7d973a4249c5bf49b90e5782acaf
二年级数学第13课《折一折，做一做》征沙渠小学张苜颜.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=e12f928369c545819efb725c67074f6f
二年级数学第14课《玩一玩，做一做》征沙渠小学张苜颜.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=067b96dac97a4a2d83e8f49f71904d49
二年级数学第15课《数松果》三沙源小学王悦.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=32842783790f4af784dda28629ec0b75
二年级数学第16课《做家务》三沙源小学马瑞.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=3GvSevN4pTrQrBY9PhEwozRPh5uPsL8jUZ
二年级数学第17课《课间活动》三沙源小学马瑞.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=46fe9f3ffe75428e9f6e4fad9ab70697
二年级数学第18课《需要几个轮子》三沙源小学王慧.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=ed7c49a93f59424586ebce8c05ecbb67
二年级数学第19课《小熊请客》三沙源小学王慧.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=fd62b334b39b492f8535373a5c13ce3b
二年级数学第20课《回家路上》三沙源小学邵莉丽.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=e01b4079298e444a9e9b89bbde3ca2f8
二年级数学第21课《练习三》三沙源小学邵莉丽.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=7f14bbb71f8a42bc97b3ffc595793c67
二年级数学第22课《整理与复习一》三沙源小学熊丽萍.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=faac6ac2f0b948e29bfe3228794a6718
二年级数学第23课《整理复习二》三沙源小学王慧.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f9b54881061443e4b1b9f8b36f42dc4b
二年级数学第24课《教室有多长》征沙渠小学牛雨婷.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f822aa0380d1439fbc38d6400bec493a
二年级数学第25课《课桌有多长》征沙渠小学牛雨婷.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d5ace2bfb60b4bab81dbcc57471a30e0
二年级数学第26课《1米有多长》征沙渠小学牛雨婷.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=74988e96523a476f97d90677205b60fd
二年级数学第27课《1米有多长》（二）征沙渠小学牛雨婷.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f9e6f084b96e4ef3969a8ebdd10efe94
二年级数学第28课《练习四》征沙渠小学张苜颜.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=48bf7f3704674f5ca477514741a8d876
二年级数学第29课《分物游戏》玉泉营小学王富强.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=1d09e0cdb81147e7a15c010cfde0c6af
二年级数学第30课《分苹果》玉泉营小学刘丽婷_2021102791725.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=7a451be3c0c94def9911adfac5587a99
二年级数学第31课《分糖果》玉泉营小学刘丽婷.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=5eba06ef2c424af7935b4e74c05e2bd8
二年级数学第32课《分香蕉》玉泉营小学张小娟.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=0409f00117af41ddb5c864cf8995e71b
二年级数学第33课《练习五》玉泉营小学蒋瑞雪_2021102720456.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=dcfb4d023766446d83d26a3aeac5140d
二年级数学第34课《小熊开店》玉泉营小学王莹.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=cd94f92123d04488bb0c936252ec5156
二年级数学第35课《快乐的动物（第一课时）》玉泉营小学谢静(1).mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=0ec399aba35e43e8bfe112c093764003
二年级数学第36课《快乐的动物（第二课时）》玉泉营小学谢静.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=877ad5193d644e1b8e59371ee8b5f432
二年级数学第37课《花园》玉泉营小学王富强.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=ddef2044f46543a7a609ec1c35db0375
二年级数学第38课《练习六》玉泉营小学谢静.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=a80ac36e0095421daa9a6f1484bdbc58
二年级数学第39课《有多少张贴画》玉泉营小学刘丽婷.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=b9c4fed3668d41e1ba65625b7e17c0e0
二年级数学第40课《一共有多少天》玉泉营小学张小娟.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=57a0dbe4a0b544bab2c7801eebd5681c
二年级数学第41课《买球》玉泉营小学胡菲.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=090cba659f8849f4bda4618310d3f344
二年级数学第42课《做个乘法表》玉泉营小学蒋瑞雪.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=db3654cf064f455984d3a3c7142c1c47
二年级数学第43课《数学好玩：班级旧物市场》玉泉营小学王莹.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=b5dabaef3f2746abaa7741b468cce8ea
二年级数学第44课《数学好玩：寻找身体上的数学“秘密”》玉泉营小学胡菲.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=ecc119d9ea8e48afbfac9f9b229f5ae4
二年级数学第45课《长颈鹿与小鸟（一）》黄羊滩小学赵小莉.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=952bd05cd36d45f9b7dd626d5f572e3c
二年级数学第46课《长颈鹿与小鸟（二）》黄羊滩小学杨晓东.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=c0273ad04e4a4969aa84e62289816245
二年级数学第47课《农家小院》黄羊滩小学李玉梅.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=c0c4c39b524e4be2a5beeb8e5d834f2f
二年级数学第48课《练习七》黄羊滩小学王伏义.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=6b4f5ad6de7f4004984c443f9ccd934f
二年级数学第49课《总复习：数与代数（一）》胜利中心小学徐玲玲.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=5a0261815dbd4acc8ca52cc85f7a9a96
二年级数学第50课《总复习：数与代数（二）》胜利中心小学徐玲玲.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=8219e53ca62a448d8335170e38f02e51
二年级数学第51课《总复习：图形与几何》黄羊滩小学史月华.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=a11f2d5541fc46578ff0ceb5c7cdd03f

三年级上册
三年级数学-第1课时-小熊购物…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=c750bafc6a0940638b7e404a6db2e900
三年级数学-第2课时-小熊购物试一试-
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=b13c26b8751b4f4690a02fcfbf8ae7f7
三年级数学-第3课时-买文具（一）
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=1628b714a92a4282a407f40dae137a36
三年级数学-第4课时-买文具（二）
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=bf9cac56fa9744c388399d87c4c68490
三年级数学-第5课时-过河（一）
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=e4c45f361111479aa7dc4efba8d0eaa6
三年级数学-第6课时-过河（二）
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=48c8e2e41a5149069ce6724ec43a1149
三年级数学-第7课时-练习一-
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=c9c67acb4b0e47b69bc1d287a8f32206
三年级数学-第8课时-看一看（一）
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=cb0cf38c769c4a15a66acfb3bbe0fce0
三年级数学-第9课时-看一看（二）
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=dbee961eadd5441095eee055016f3df2
三年级数学-第10课时-捐书活动-
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f5065189f048441c8fcf0fa6b3f6d7ce
三年级数学-第11课时-运白菜-
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=9d0af9d18d5c44e4a6161d29d20718e6
三年级数学-第12课时-节余多少钱（一）…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=3GvSevN4pTrQrBY9PhEwozRPh5uPsL8jUZ
三年级数学-第13课时-节余多少钱（二）…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=8eab90104bef491ea185cf32d6fd4be7
三年级数学-第14课时-里程表（一）-
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=3e612f304ee246f6857fd48139bfe3a6
三年级数学-第15课时-里程表（二）
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f567e083f7f040139d02aadbd212a8be
三年级数学-第16课时-练习二-
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=ac49d15200974e78be3332f5a8a4445d
三年级数学-第17课时-小树有多少棵
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=28010aed3b764ea199af26ba9a09e99a
三年级数学-第18课时-需要多少钱-
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=280ff84c3579467f83d469c136567538
三年级数学-第19课时-丰收了
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=eb77c09f3ef7486d9a9f222af747b1cb
三年级数学-第20课时-植树-
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=562ead01d49d47c8a84a7dff0288cc5a
三年级数学-第21课时-练习三-永宁县蓝山学校-董雪.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=193dd06f6366403f9a4522582350c78c
三年级数学-第22课时-整理与复习-永宁县蓝山学校-陆瑞.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=5823f534db0a429cbde128fcd940a9bb
三年级数学-第23课时-整理与复习（二）-永宁县蓝山学校-陆瑞.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=1ead0e6e07d64f5f8c80fb6696437885
三年级数学-第24课时-什么是周长（一）-永宁县蓝山学校-谢雅楠.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=0c121e9f9d894e42ab373439c4e8599d
三年级数学-第25课时-什么是周长（二）-永宁县蓝山学校-谢雅楠.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f8616baf4d5d4181bc0716feb8ba359b
三年级数学-第26课时-《长方形周长》蓝山学校-龚媛.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=62b166b5770149fca0cfb33a36fefcfb
三年级数学-第27课时-《练习四》蓝山学校-龚媛.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=2f946b43be904182a9c2bb4f165352ec
三年级数学第28课时蚂蚁做操宁县蓝山学校周玉宏.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=1ec4859d0b15476686060774707e2714
三年级数学-第29课时-去游乐园-永宁县蓝山学校-周玉宏.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=8068f638584b4bef8a2d3df1d55e13e9
三年级数学-第30课时-乘火车-永宁县蓝山学校-吕冬华.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=6bf0ca70d01c49b4822d2b3f747c506f
三年级数学-第31课时-去奶奶家-永宁县蓝山学校-吕冬华.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=3GvSevN4pTrQrBY9PhEwozRPh5uPsL8jUZ
三年级数学-第32课时-零乘五等于多少-永宁县蓝山学校-任玉梅.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=8d82312a2f674310bb2462b6dda9b16e
三年级数学-第33课时-买矿泉水-永宁县蓝山学校-任玉梅.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=62637f3695164880a29f418ad249358c
三年级数学-第34课时-练习五（一）-永宁县蓝山学校-董雪.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=14f35880b8b14c338b1fdc0e4797ea89
三年级数学-第35课时-练习五（二）-永宁县蓝山学校-董雪.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=c25773ec33694697ac9bf8fd4436b335
三年级数学-第36课时-《看日历（一）》蓝山学校-龚媛.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=e5acb91d2e8b4efdbf1f67059e8e2c9d
三年级数学-第37课时-《看日历（二）》蓝山学校-龚媛.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=90d643c3b79c4b31bfcdc2efe75553ef
三年级数学-第38课时-一天的时间-永宁县蓝山学校-董雪.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=907b9b3b8e2149c7b69dabe71be7aa55
三年级数学-第39课时-时间表-永宁县蓝山学校-姜春冉.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=b9ffc67619ef4ecaaba26bf514ae0dee
三年级数学-第40课时-校园中的测量-永宁县蓝山学校-肖青青.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=dcc8e43dff814a47ae81f1b7c0d9533f
三年级数学-第41课时-搭配中的学问-永宁县蓝山学校-肖青青.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=e3011054f24f447595e19ce38d1d85fb
三年级数学-第42课时-数学好玩-时间与数学-永宁县蓝山学校-撒梅.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=e67506b4e88a4e6fb1cde6703e852c59
三年级数学第43课《文具店》蓝山学校何义连.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=3f8c9530def14002b12b47820e0c3d22
三年级数学第44课《货比三家》蓝山学校何义连.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=92fc27da3d7448f38816617d90719018
三年级数学第45课《存零用钱》蓝山学校何义连.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=920cb72ee4c24af0b73097ad1fcce6e8
三年级数学第46课《寄书》蓝山学校何义连.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=ef7e846dbb4e4e94ba07d789204b70e2
三年级数学-第47课时-能通过吗-永宁县蓝山学校-蔡峰.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=ca1b3b15141543ddb2b3d2f72422841d
三年级数学-第48课时-《练习六》蓝山学校-龚媛.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=7f25de8c978f4055a9e85663fb180931
三年级数学-第49课-总复习（一）蓝山学校-牛婷婷.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d8e027742af64654ba69a80895e811ed
三年级数学第50课总复习（二）蓝山学校谢雅楠.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=b43ea4c26e1a4e3cba8dde9a5e58eae8
三年级数学第51课总复习（三)蓝山学校何义连.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=8c5fdf1a136f4d2195881c95dcd12e0f

四年级上册
四年级数学第1课《数一数》闽宁二小王红艳.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=cc91e855eb7c40ebb48eb462f7590b63
四年级数学第2课《认识更大的数》闽宁二小马燕.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=042cba5aa4414af1805df20fa37c5e73
四年级数学第3课《人口普查》闽宁二小成晓艳.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=b427928f3dbe4f46ba7bd28b8c5dbbe2
四年级数学第4课《国土面积》闽宁二小李秀.MP4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=81575c1b6e5e4f3f93f14068d47e33c7
四年级数学第5课《近似数》—闽宁二小伏瑜.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=ea02cf4c88814e889bad90ffeb94469b
四年级数学第6课《从结绳计数说起》闽宁二小马艳.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=2fa6e755efea46d2800f1a863262352f
四年级数学第7课《练习一》闽宁二小计鹏举.MP4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=57344275dd9d48bdb1e8f5e69e63d809
四年级数学第8课《线的认识》原隆小学李凤娟.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d357c17802824e02a986fd82cd691a5c
四年级数学第9课《相交与垂直》原隆小学马玉洁.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=db16250f866f4902b0f586de2a60a944
四年级数学第10课《平移与平行》原隆小学杨芳丽20211028142051.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=cb8fdcbf68e44982a0fcc28641b64400 四年级数学第11课《旋转与角》原隆小学唐蕊_20211028143058.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d153de99f1634bc3980a38eb5200e226 四年级数学第12课《角的度量（一）》原隆小学王福.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=6dc7df6ccf5c404481db38f90f12d0a3 四年级数学第13课《角的度量（二）》原隆小学吴继贤_20211028145043.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f00585888977454cafb02680cad687b5 四年级数学第14课《练习二》原隆小学张怀珍_2021102815131.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=c3bc4ad55fb2443690c63ddb5ef9b2c9 四年级数学第15课《卫星运行时间（一）》永宁县闽宁镇中心小学李瑾.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d0586d1c733e4178934d76cbf502ee39 四年级数学第16课《卫星运行时间（二）》永宁县闽宁镇中心小学赵慧琴.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=aa9af685bcf44cc6ac3c3bb45e147211 四年级数学第17课《有多少名观众》闽宁镇中心小学房倩.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d591017247e24b8ba72e92c340b410ae 四年级数学第18课《神奇的计算工具》闽宁镇中心小学马华梅.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=b37835d81aeb422a8f398f9999dffe16 四年级数学第19课《有趣的算式》闽宁镇中心小学李晓琴.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=c81c6d4ddb6c4bfb86744e65dd664c43 四年级数学第20课《练习三》闽宁镇中心小学梁妮娜.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d1808f84aa034f15859d1625af7b9d1a 四年级数学第21课《整理与复习（一）》闽宁镇中心小学马雪瑞.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=da11ce6c158447e1b94e7a8f40d4f09c 四年级数学第22课《整理与复习（二）》闽宁镇中心小学李素君.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=86afccc1c0594b2ea1cf55c8be0e28b7 四年级数学第25课时《加法交换律和乘法交换律》永宁二小吴明番_batch.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=7451842680294754a980eeb051d49d32 四年级数学第26课时《加法结合律》永宁二小吴明番_batch.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=cea6411b1ad34eb7afa91b9dc7ae16bb 四年级数学第27课时《乘法结合律》永宁二小施庆铃_batch.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=8dbad16eb22f4c38b7c8eb732289b015 四年级数学第28课时《乘法分配律》(一)永宁二小张会玲.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d8cdc091f06b41749136d4a61b3699e5 四年级数学第29课时《乘法分配律》(二)永宁二小张会玲.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=3ff9d34bd166446c8982ec67de1bb0a5 四年级数学第30课时《练习四》永宁二小吴明番_batch.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=681399416a2a48fab090191fe73464b1 四年级数学第31课时《去图书馆》永宁二小吴明番_batch.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d67ca8147ecf4286b92bca17fce11cde 四年级数学第32课时《确定位置一》永宁二小杨梅 (1).mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d9cb93cc228e41e4bcaa389cfef9aefc 四年级数学第33课时《确定位置二》永宁二小杨梅 (2).mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=1fbc98def31e4ef0b20505773b6a796d 四年级数学第34课时《买文具（一）》永宁二小陈楠_batch.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=08a44bbeed8447fa943b925ebecd0674 四年级数学第35课时《买文具（二）》永宁二小陈楠.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=1bba0bcc08d04e55967b06c884a32f9b 四年级数学第36课时《参观花圃（一）》永宁二小杨芸.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=ea3199e02e04449c842dd6a0988367c6 四年级数学第37课时《参观花圃（二）》永宁二小杨芸.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=5975400b69a84b46a931fe78bfb4c3b2 四年级数学第38课《秋游（一）》永宁二小李红.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f297a4e24c6441298e112f341de3b34f 四年级数学第39课《秋游（二）》永宁二小李红.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=884c56a23ad44236afa997e7c1a97aae 四年级数学第40课《练习五》永宁二小杨梅.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d5642e27b4d14816ac773a5e4cf1f4c0 四年级数学第41课《商不变的规律》永宁二小杨梅.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=38435078982346ab96ae15be7bf2d982 四年级数学第42课《路程、时间与速度（一）》永宁县第二小学.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f2643fd6f39a44cba86b1cc3e59ea37d 四年级数学第43课《路程、时间与速度（二）》永宁县第二小学.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=e53740970db34068a8dca6e1de3fc721 四年级数学第44课《练习六》永宁二小施庆铃.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=5716a918d778419d9af7ef5ddfe92c50 四年级数学第45课《温度》永宁二小李红.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=498c6b94d8554db39ccabc6187054503 四年级数学第46课《正负数》永宁第二小李红.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=3df057630caf48e8a784dd41bc5863a4 四年级数学第47课《滴水实验》永宁县第二小学.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d01eda9f28994ab3a16d0f89a27ceed1 四年级数学第48课《编码》永宁县第二小学.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=82d7049be6b8460dbb6d48a45fb4dd39 四年级数学第49课时《数图形的学问》永宁二小陈楠_batch.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=7c02fd53648f4aaaaef566c9f5f1b160 四年级数学第50课时《不确定性》永宁二小施庆铃_batch.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=d227503a7ad44e419fef6dcdd7d59baf 四年级数学第51课时《摸球游戏》永宁二小施庆铃_batch.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f340059638394746b0755fa5a8f6b215 四年级数学第52课《总复习数与代数（一）》永宁二小张会玲.mp4
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四年级数学第53课《总复习数与代数（二）》永宁二小张会玲.mp4 https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=dc46922e337d4eeba155a36c794eb8e3 四年级数学第54课《总复习图形与几何》永宁二小陈楠.mp4
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四年级数学第55课《总复习_统计与概率》永宁县第二小学.mp4
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=4768456d406c41b0a97dd54317203eef

五年级上册
五年级数学第1课《精打细算》永宁一小朱玉…
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五年级数学第2课《打扫卫生（第一课时）》…
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五年级数学第3课《打扫卫生（第二课时）》永宁…
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五年级数学第4课《谁打电话的时间长（第一课时…
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五年级数学第5课《谁打电话的时间长（第二课时…
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五年级数学第6课《练习一》永宁一小朱玉琴.m…
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五年级数学第7课《人民币兑换（第一课时）》永…
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五年级数学第8课《人民币兑换（第二课时）》永…
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五年级数学第9课《除得尽吗》永宁一小王晓璐(…
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五年级数学第10课《调查“生活垃圾”》永宁一…
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五年级数学第11课《练习二》永宁一小王晓璐….
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五年级数学第12课《轴对称再认识（一）》永宁…
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五年级数学第13课《轴对称再认识（二）》永宁…
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五年级数学第14课《平移》永宁一小宿海萍.m…
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五年级数学第15课《欣赏与设计》永宁一小宿海…
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五年级数学第16课《练习三》永宁一小宿海萍….
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五年级数学第17课《倍数与因数》永宁一小宋艳…
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五年级数学第18课《探索活动：2,5的倍数的…
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五年级数学第19课《探索活动：3的倍数的特征…
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五年级数学第20课《找因数》永宁一小宋艳超…
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五年级数学第21课《找质数》永宁一小宋艳超…
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五年级数学第22课《练习四（第一课时）》永宁…
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五年级数学第23课《练习四（第二课时）》永宁…
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五年级数学第24课《整理复习（第一课时）》永…
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五年级数学第25课《整理复习（第二课时）》永…
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五年级数学第26课《比较图形的面积》永宁一小…
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五年级数学第27课《认识底和高》永宁一小马艳…
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五年级数学第28课《探索活动：平行四边形的面…
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五年级数学第29课《探索活动：平行四边形…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=34c63942f2504cc5a9f04b8568e5af16
五年级数学第30课《探索活动：三角形的面…
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五年级数学第31课《探索活动：三角形的面…
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五年级数学第32课《探索活动：梯形的面积…
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五年级数学第33课《练习五》永宁一小王惠…
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五年级数学第34课《分数的再认识（一） …
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五年级数学第35课《分数的再认识（二） …
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五年级数学第36课《分饼》——永宁县王…
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五年级数学第37课《分数与除法》——永宁…
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五年级数学第38课《分数的基本性质》
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五年级数学第39课《练习六》永宁新华小学…
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五年级数学第40课《找最大公因数》永…
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五年级数学第41课《约分》永宁新华小学…
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五年级数学第42课找最小公倍数》望洪小…
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五年级数学第43课《分数的大小》望洪小…
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五年级数学第44课《练习七（一）》望洪…
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五年级数学第45课《练习七（二）》永宁望洪…
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五年级数学第46课《组合图形的面积》望洪…
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五年级数学第47课《成长中的脚印》永宁新华小…
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五年级数学第48课《公顷、平方千米的认识》永…
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五年级数学第49课《设计秋游方案》永宁李…
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五年级数学第50课《图形中的规律》永宁李…
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五年级数学第51课《尝试与猜测》永宁李俊…
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五年级数学第52课《谁先走（一》永宁李俊…
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五年级数学第53课——《谁先走（二）》永…
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五年级数学第54课《总复习数与代数（…
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五年级数学第55课《总复习数与代数（…
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五年级数学第56课《总复习图形与几何(…
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五年级数学第57课《总复习图形与几何二…
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五年级数学第58课《总复习——统计与概率…
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六年级上册
六年级数学第1课第一单元《圆的认识(一）…
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六年级数学第2课第一单元《圆的认识(一）》第2课时望远中心小学张莹.mp4
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六年级数学第3课第一单元《圆的认识(二）…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=55af59e6cbc94cea87f2bcbc23fc4bf1
六年级数学第4课第一单元《欣赏与设计》望…
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六年级数学第5课第一单元《圆的周长（一）…
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六年级数学第6课第一单元《圆的周长（二）…
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六年级数学第7课第一单元《圆周率的历史》…
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六年级数学第8课第一单元《圆的面积（一）…
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六年级数学第9课第一单元《圆的面积（二）…
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六年级数学第10课第一单元《练习一》望远…
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六年级数学第11课第二单元《分数混合运算…
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六年级数学第12课第二单元《分数混合运算…
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六年级数学第13课第二单元《分数混合运算…
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六年级数学第14课第二单元《分数混合运算…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=aeba1238b1374dae8e0bdcd360892cad
六年级数学第15课第二单元《分数混合运算…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=bb57ff6a98ec4e5eaea80713cd10995c
六年级数学第16课第二单元《分数混合运算…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=bb06e6f2e6e041d88ebe106089b525df
六年级数学第17课第二单元《练习二》望远…
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六年级数学第18课第三单元《搭积木比赛》…
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六年级数学第19课第三单元《观察的范围》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=4b67029b4fb84c8e9b3bac01c4d0977d
六年级数学第20课第三单元《天安门广场》…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=95e369b3134a48ccad018d011e0f0bf2
六年级数学第21课第三单元《天安门广场》…
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六年级数学第22课第四单元《百分数的认识…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=f56dd733bf8545e9bb9307c2eaa29f18
六年级数学第23课第四单元《合格率（一）…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=6095b48ac2684876a1b94ddb698dc671
六年级数学第24课第四单元《合格率（二）…
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六年级数学第25课第四单元《营养含量》望…
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六年级数学第26课第四单元《这月我当家（…
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六年级数学第27课第四单元《这月我当家（…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=a8f0679398bd46e2a2b0e2a1533745e9
六年级数学第28课第四单元《练习三》望远…
https://yun.nxeduyun.com/index.php?r=space/org/resources/Detail&sid=c49ffa6a5d914881ba6dd833175f94e4&resId=efe9a7777df34af6b2140ff797253a49
六年级数学第29课《整理复习（一）》望远…
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六年级数学第30课《整理复习（二）》望远…
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六年级数学第43课数学好玩《反弹的高度》…
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六年级数学第46课第七单元《百分数的应用…
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六年级数学第48课第七单元《百分数的应用…
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六年级数学第49课第七单元《百分数的应用…
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六年级数学第50课第七单元《百分数的应用…
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六年级数学第51课第七单元《百分数的应用…
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六年级数学第52课第七单元《百分数的应用…
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六年级数学第53课第七单元《练习六》望远…
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六年级数学第55课总复习《数与代数》第2…
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