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2021年2018年春季送教上门一年级数学教案设计.pdf

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1、教学内容10 的认识课型新授教学方法面授教学目标1、引导学生经历 10 认识的过程，初步建立10 的数感2、学会 10 的数数、认读，比较大小和组成及10 的写法，对 10 的数概念获得全面认识和掌握3、培养学生实践能力、观察能力及初步的数学交流意识。4、引导学生感受数10 与实际生活的密切联系。重难点掌握 10 的组成。教学过程一、引入新课二、探究新知1、10的含义及 10以内数的顺序。（1）生活中和 10 有关的事情很多，你能用一句话说说吗（2）在学习中经常用到尺子，9 在 8 的后面，10 在哪里，为什么引导学生回答，9 再添上 1 就是 10，10在 9 的后面，10 比 09 都大

2、。（4）刚才我们猜了谜底09 的谜语，你能编谜底是 10 的谜语吗 2、比大小（1）10 和一个数比大小，谁能说一说。除了这种，还可以填什么10（2）93、10的写法。（1）10 的写法和 09 这些数的写法有什么不同（2）请说说 10 怎样写（学生先尝试说说，教师再小结）（3）在书本的田字格里练习写10。4、10的组成有一天，小聪约小伙伴去踢球，顺便从家里带 10 瓶饮料去和小朋友|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 1 页，共 32 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 1

3、页，共 32 页一起喝，把饮料装到袋子里，可是一个袋子装不完，就把 10 瓶饮料分别装到两个袋子里，小聪可能会怎样装这10 瓶饮料呢（1）请你拿出 10 根小棒代替 10 瓶饮料，摆一摆，分一分，看看你有多少种方法（4）汇报板书 10 的组成（5）讨论 10 的组成的记忆方法。你有什么办法记住这些分法，把你的方法说给老师听。三、课堂小结效果|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 2 页，共 32 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 2 页，共 32 页文档编码:CY7S3P2

4、D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 H

5、N1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8

6、S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 Z

7、O10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C

8、3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10

9、文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:C

10、Y7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10文档编码:CY7S3P2D7X7 HN1J1U8S1Y7 ZO10E3C3T6D10教学内容连加课型新授教学方法面授教学目标1、知道连加的含义和运算顺序，能正确进行口算；初步体会计算的变化，培养和发展学生的口算和计算能力。2、在生活情境中学习，使学生喜欢学习、乐意学习，感受

11、数学与生活的密切联系。重难点初步体验运用知识解决问题的乐趣主要教学过程一、复习旧知1、出示 10 之内的加、减法，请同学们口算。2、出示图片，学生根据题意列出算式并计算。二、探索新知?、引导观察师：同学们，芳芳是一个爱劳动的孩子。今天，她又在帮妈妈干活了，瞧!芳芳在干什么(出示芳芳在喂 5 只小鸡)问：现在地上有几只小鸡在吃米师：请同学们观察，认真看发生了什么事出示来了2 只鸡的图片。谁能把图意叙述一遍，提出一个数学问题（学生：5=2=7）师：请同学们再观察，又有怎样的变化呢出示又来了1 只鸡的图片。2、交流、汇报。问：你看到了什么谁能把图意叙述一遍，提出一个数学问题学生汇报。师：芳芳在喂 5

12、只小鸡，跑来 2 只小鸡，又跑来1 只小鸡，共有几只小鸡师：有 5 只小鸡在吃米，跑来3 只小鸡，共有几只（提醒学生，跑来的小鸡。）学生说出算式：5 十 2 十 1 教师问：这个算式和我们以前学过的算式一样吗生：不一样。师：3 只是一起跑来的吗不是。、揭示课题：像这种算式我们叫“连加”师：像这样一个数加上一个数再加上一个数，叫连加。板书课题：?连?加|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 3 页，共 32 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 3 页，共 32 页文档编码:CR

13、5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9

14、F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5

15、O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:

16、CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 H

17、L9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 Z

18、K5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编

19、码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6、探究“连加”计算的顺序方法问：5 十 2 十 18，你是怎样算出数的学生可能说一个一个地数出来的；5 只加上 2 只是 7 只，再加上 1 只是 8 只；共跑来 3 只，加上原来的 5 只，共是 8 只。(不管哪种方法，学生只要说出理由，都给予肯定。)?教师总结计算顺序和方法

20、。师板书：在 5+2的下面划一条横线，并把得数7 记录在横线下面，再在7+1的下面划一条横线，写出得数8。5、做一做：?学生摆小棒，先摆出4 根小棒，再摆出3 根小棒，最后摆出1 根小棒，一共是几根小棒怎样列式计算呢说说先算什么，再算什么。效果|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 4 页，共 32 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 4 页，共 32 页文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F

21、2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O

22、6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:C

23、R5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL

24、9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK

25、5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码

26、:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8

27、HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6教学内容连减课型新授教学方法面授教学目标1、知道连减的含义和运算顺序，能正确进行口算；初步体会计算的变化，培养和发展学生的口算和计算能力。2、在生活情境中学习，使学生喜欢学习、乐意学习，感受数学与生活的密切联系。重难点初步体验运用知识解决问题的乐趣主要教学过程一、学习连减1、出示挂图问：先有几只鸡?老师移动2只鸡，表示走了。问：走了几只还剩下几只用什么方法计算怎样列式学生回答，教师板

28、书：8-2。老师再移动2 只，表示又走了2 只鸡。问：又走了几只还剩下几只问：谁能说一说这剩下的4 只鸡是怎样算来的?问：那么也就是说是几减几再减几随着学生回答，老师在8-2 的后面接着写“-2”。2、揭示课题：像这种算式我们叫“连减”师：这道题是从1 个数里先去掉一个部分后，再去掉一个部分，也就是连续去掉两个部分，这就是要学习的新知识：连减。(板书：连减)师：算式读作8 减 2 再减 2。3、探究“连加”计算的顺序方法（师：连减的算式怎样算呢谁能根据连加的计算顺序，说说这道连减算式先算什么，再算什么板书计算过程师板书：在8-3 下面划一条横线写上5，在 5 和 2 的下面划横线，相减得3。指

29、名学生口述计算过程。再出示海鸥图片，以此为例讲述连减。帮助学生进一步掌握连减的运算方法与过程。|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 5 页，共 32 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 5 页，共 32 页文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7

30、H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10

31、K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N

32、6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6

33、N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N

34、10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T

35、4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1

36、Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N64、做一做：学生摆圆片，摆出9 个三角形，先拿走5 个，再拿走3 个，还剩几个怎样列式计算5、请小朋友说一说生活中你用连加连减来计算的问题效果|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 6 页，共 32 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 6 页，共 32 页文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6

37、文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N

38、7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N1

39、0K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4

40、N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q

41、6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1

42、N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9

43、T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6教学内容加减混合课型新授教学方法面授教学目标1、通过生活中有时间顺序的“先加后减”或“先减后加”的连贯情节，学习加减混合的含义，会进行10 以内加减混合计算。2、会根据情节看图说故事，培养学生的语言表达能力。重难点正确进行 10 以内混合的计算主要教学过程一、引入?1、复习连加连减计算过程?二、探究新知?1、师：今天这节课，老师继续请出我们的好朋友小鸟。?出示动画片段：原来有2 只小鸟，飞来了 4 只，又飞走了 3 只。?

44、a.分别说说这三幅图的意思?b.根据三幅图编个数学小故事?生：树上原来有2 只小鸟，飞来了 4 只，又飞来了 3 只，现在还剩下几只小鸟【生齐读小故事】?c.列式:2+4-3=3?d.读算式：2 加 4 再减 3 等于 3。e.出示课题：加减混合f.大胆猜测算式怎么计算：先算2+4=6，再算 6-3=3，所以 2+4-3=3。?3、出示动画片段：树上原来有6 只小鸟，飞走了 4 只，又飞来了 1 只。a.分别说说这三幅图的意思|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 7 页，共 32 页|精.|品.|可.|编.|辑.|学.|习.|资.|料.

45、*|*|*|*|欢.|迎.|下.|载.第 7 页，共 32 页文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A

46、1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L

47、9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5

48、A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F

49、2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O

50、6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:CR5A1Q6N7H8 HL9F2A1N10K2 ZK5O6L9T4N6文档编码:C

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