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【教学课件】10.3交通运输问题

  • 2026-04-21 22:12:21
【教学课件】10.3交通运输问题

10.3  交通运输问题

——人教版七年级下册 第十章

苗超（赵桂芳名师工作室C组）
作者简介

苗超，葫芦岛市兴城市第三初级中学教师，赵桂芳名师工作室C组成员，葫芦岛市优秀教师，葫芦岛市数学核心团队成员、骨干班主任.在全省义务教育阶段岗位“大练兵”活动中获奖，撰写的多篇论文被中国知网收录，曾多次获得省优课、市优课一等奖.

作品简介

本课件以人教版七年级下册第十章第3节《实际问题与二元一次方程组》中的“交通运输问题”为主题，以“生活情境—问题探究—模型构建—应用实践”为主线，紧扣七年级学生认知特点设计.

本课件通过分步设问引导学生认真阅读题干，梳理繁多的数量关系，分析已知量与未知量，引导学生抓住关键数量，通过列图表的方法梳理数量关系，帮助分析，提炼等量关系，进而列出二元一次方程组，体会用方程组解决实际问题的方法、作用和意义.课件注重对问题的分析，学生思维的发展，渗透建模思想，培养学生用数学解决实际问题的能力.
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  1. CONNECT:[ UseTime:0.000425s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000634s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000289s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000285s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000480s ]
  6. SELECT * FROM `set` [ RunTime:0.000216s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000525s ]
  8. SELECT * FROM `article` WHERE `id` = 484320 LIMIT 1 [ RunTime:0.000383s ]
  9. UPDATE `article` SET `lasttime` = 1776790259 WHERE `id` = 484320 [ RunTime:0.000708s ]
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0.077569s