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26春青岛版下册六年级单元教学教案课件学案

  • 2026-03-30 00:37:38
26春青岛版下册六年级单元教学教案课件学案

部分展示,完整版请自行拉到文末查看下载方式

单元概述:

教材分析

本单元共安排三个信息窗和一个相关链接。教材以“欢乐农家游”为线索,第一个信息窗呈现的是游客参加农家乐的情景,借助问题“今年自驾游人数比去年多百分之几?”“去年自驾游人数比今年少百分之几?”教学求一个数比另一个数多(或少)百分之几的应用题。第二个信息窗呈现的是“采摘节”的活动情景,借助问题,学习“求一个数的百分之几是多少?”“求比一个数多(或少)百分之几的数是多少”和“已知比一个数多(或少)百分之几的数是多少,求这个数”等复杂的百分数应用题。相关链接是引导学生学习有关利息和利率的问题。本单元教学的重点是解决简单的百分数问题。

本单元是在学生学习了整数、小数、分数的意义和百分数的初步认识的基础上进行学习的,这部分内容在实际生活中有广泛的应用,如果不考虑分数表示量的功能,百分数可以类比分数进行学习,特别是百分数的应用题。同时,也是小学数学中重要的基础知识之一。

本单元教材编写的主要特点:

1.选取现实素材,注重数学与生活的密切联系。

2.循序渐进的安排知识内容。

3.练习素材与现实生活紧密相连,有利于发展学生的应用意识。

本单元教学的知识与日常生活有密切的联系。在现实的生活情境中理解百分数的应用,借助线段图对百分数的应用进行了拓展延伸,不仅让学生直观的理解百分数应用题的含义,还渗透了数形结合的思想。

教学目标

1.理解成数、折扣与利息的含义,知道它们在工农业生产和日常生活中的作用,会进行这方面的简单计算,并能解决简单的实际问题。

2.在理解百分数意义的基础上,借助线段图,分析数量关系,解决有关百分数的问题。在解决实际问题的过程中,进一步体会数学知识间的内在联系,增强思维的深刻性。

3.在用百分数解决问题的过程中,体会百分数与生活的密切联系,感受百分数在现实生活中的应用价值,提高学习百分数知识的兴趣。

重点、难点

重点:通过解决具体的问题,掌握解决百分数问题的基本思路和方法。

难点:能够借助线段图分析数量关系,解决实际问题。

教学建议

1.加强知识间的联系,培养学生迁移运用的能力。

百分数是在学生学过整数、小数,特别是分数意义和分数、并初步认识百分数的基础上进行教学的,它同分数有着密切的联系。教学时,可以利用知识的迁移让学生,利用“一个数比另一个数多几分之几“迁移为“一个数比另一个多百分之几?”,通过转化,使学生建立百分数与分数之间的联系,放手让学生在已有知识的基础上迁移运用,提高学生解决问题的能力和自主学习的能力。

2.引导学生分析问题中的数量关系,灵活解决实际问题。

用百分数解决实际问题时,要引导学生借助线段图分析题意,找出数量关系。要鼓励学生讨论交流,借助题目中的关键词勇于表达自己的想法,引导学生善于倾听,通过交流、质疑、不断修正自己的想法,在沟通交流中达成共识。不盲从老师的讲解,不死记教科书中的模式,更不是依靠记忆题型和套用模式的方法解决问题。例如,在解决“今年自驾游人数比去年多百分之几”的问题时,教材在提示牌上多多百分之几是什么意思作了解释,并借助线段图引导学生分析数量关系,最终解决问题。

课时安排

本单元用10课时完成教学,其中机动1课时。

…………

26春青岛版六年级下册课件教案学案(免费下载)

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  1. CONNECT:[ UseTime:0.000578s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000835s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.022987s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000404s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000701s ]
  6. SELECT * FROM `set` [ RunTime:0.000276s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000731s ]
  8. SELECT * FROM `article` WHERE `id` = 469153 LIMIT 1 [ RunTime:0.000430s ]
  9. UPDATE `article` SET `lasttime` = 1775872452 WHERE `id` = 469153 [ RunTime:0.015877s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000577s ]
  11. SELECT * FROM `article` WHERE `id` < 469153 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000923s ]
  12. SELECT * FROM `article` WHERE `id` > 469153 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000798s ]
  13. SELECT * FROM `article` WHERE `id` < 469153 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001767s ]
  14. SELECT * FROM `article` WHERE `id` < 469153 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001984s ]
  15. SELECT * FROM `article` WHERE `id` < 469153 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001984s ]
0.136973s