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示范立标引航 精准教学增效——高三一轮复习示范课(数学)

  • 2026-10-27 15:44:29
示范立标引航 精准教学增效——高三一轮复习示范课(数学)

示范立标引航

精准教学增效

高三一轮复习示范课(数学)

      为明晰高三一轮复习实施路径,打磨提质增效的复习课堂,助力教师破解一轮教学中的难点堵点,搭建集思研学、互学共进的教研平台,近日,经开区八中组织开展高三一轮复习示范课教研活动。全体授课教师立足课堂主阵地,研教法、析学情、谋实策,凝心聚力为 2027 届高考备考夯实根基。

示范课展示

王航老师的课堂以“数列是特殊的函数”为核心立意,从近五年高考考情切入,按“教考衔接—典例探究—拓展延伸—总结提升”四个板块稳步推进。教学以教材习题和改编题为起点,由学生自主推导发现 Sₙ 的二次函数特征;例题围绕“求最值”“Sₙ 的对称性”等主干问题展开,引导学生从函数、项的关系、单调性多个角度切入,并借助 AI、GeoGebra 动态演示化抽象为直观;末段回归教材原题,提醒学生函数是工具,数列自身的性质同样重要。

全课以“以函解列”为主线,讲练结合、数形结合,依标扣本、突出主干,体现了一轮复习“回归教材、强化思想方法”的规范要求,为复习课如何实现从“可得分”到“必得分”提供了可借鉴的样本。

教研组研讨

数学教研组围绕本节课展开了深入的研讨:本节课为高三一轮等差数列前 n 项和复习课,贴合高考方向,立足教材,覆盖核心考点,借助一题多解拓展思维,融合典例落实数学核心素养;采用 “课前诊断 — 典例探究 — 变式训练” 模式,改变了复习课重公式识记的老套路。同时建议,结合文科班学情,放缓节奏、降低习题难度,兼顾分层,为一轮复习课设计提供参考。

校领导点评

蔡校长充分肯定本节课的课堂质量与思维深度。本课以课前检测摸排学情,立足教材夯实基础,依托学生真实情况开展教学,通过典例探究、讲练结合、一题多解引导学生展示辨析,教师精准点拨,凸显学生主体地位;教学融入函数思想,帮助学生认识数列是特殊函数,合理运用 AI 工具赋能课堂,紧扣一轮复习目标。教师备课充分,时间分配得当,环节衔接流畅,整体设计务实高效,对高三复习课具有较好的借鉴价值。

示范课展示

张晶琦老师的《平面向量的数量积》一轮复习课以“提取、整合、选择、迁移”为核心主线,设计了四个层层递进的环节。在引入中带领学生回归教材,快速激活定义、投影、基底和坐标四大基础运算;接着在“方法综合”中,通过一题多解,重点总结这四种方法以及极化恒等式的最佳适用场景,引领学生“不仅要会算,更要会选”;随后用历年高考真题进行实战检验,进一步拓展高阶解题思维。本节课由浅入深,更希望通过本节课帮助学生在一轮复习中彻底理清向量脉络,在考场上慧眼识珠、游刃有余。

教研组研讨

本节课坚持以学生为中心,充分关注课堂听课实效,紧密结合本班学情与高考考情开展教学。教学中重视知识点的梳理归纳,授课语言简洁精准,契合课标要求,引导学生深入理解、掌握平面向量数量积的本质与内涵;习题设计梯度清晰、层层递进,同时抓实答题步骤书写与答题规范的训练,引导学生形成严谨的解题习惯,助力学生夯实基础、提升解题能力。

校领导点评

校领导在全程观摩后,对本节《向量的数量积》一轮复习课给予高度评价。

范景伟主任则对课堂实施与教学效果给予了充分肯定。他指出,本节课紧密结合学情和考情,课堂设计充分考虑了学生的听课效果。范主任强调,本节课抓实了答题规范,为高三复习提供了“以生为本、素养导向”的清晰路径。

蔡爱华校长从教学主线与设计理念方面肯定了本节课。她指出,本节课环节层层递进,充分做到了以学生为中心,紧跟课标要求,是一样立意高远,有深度,有梯度的课。语言干净精准,帮助学生彻底理清了向量脉络和各种方法的适用条件。同时,蔡校长建议,后续一轮复习可进一步深挖拓展资源,让复习课在扎实的基础上更具灵活性。

研课聚力寻良策,精耕备考赴新程。一轮复习示范课汇聚骨干教师备考智慧,为各高三备课组厘清复习脉络、把握教学分寸、搭建交流载体。2027 届高三全体教师将以本次教研为契机,博采众长、聚力共进,在集体研课中优化复习方案,在靶向施教中补齐学生短板,恪守育人初心,抓实备考各环节,稳步推进经开区八中高考备考工作再上新台阶。

END

文字:王航 张晶琦 刘怡淼

图片:刘斯琦

排版:郑贺元(实习生)

责编:  张丽媛

审核:李广海

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  137. /www/wwwroot/www.sjds.net/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
  138. /www/wwwroot/www.sjds.net/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /www/wwwroot/www.sjds.net/runtime/temp/022a5b1eae5a9e3c31e54f699d8ae600.php ( 8.05 KB )
  140. /www/wwwroot/www.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000621s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000783s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000433s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000351s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000576s ]
  6. SELECT * FROM `set` [ RunTime:0.000331s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000618s ]
  8. SELECT * FROM `article` WHERE `id` = 528584 LIMIT 1 [ RunTime:0.000405s ]
  9. UPDATE `article` SET `lasttime` = 1793088753 WHERE `id` = 528584 [ RunTime:0.001400s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000341s ]
  11. SELECT * FROM `article` WHERE `id` < 528584 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000476s ]
  12. SELECT * FROM `article` WHERE `id` > 528584 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000414s ]
  13. SELECT * FROM `article` WHERE `id` < 528584 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000560s ]
  14. SELECT * FROM `article` WHERE `id` < 528584 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000755s ]
  15. SELECT * FROM `article` WHERE `id` < 528584 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000811s ]
0.081784s