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高一数学期中考试定于下月初,期中复习已经开始,瑟瑟发抖

  • 2026-10-28 03:14:28
高一数学期中考试定于下月初,期中复习已经开始,瑟瑟发抖

能够考进高中,甭管重高还是普高,孩子在初中阶段,翻看每门成绩单,大多数都有好几门是拿得出手的优秀成绩,可是踏入高中,那真是被暴击!

我们高中学校用上智学网app,三门主课,300元/学期。数学用得最多,每天晚上打开看看,作业正确率20%-70%来回浮动。错题已经累计过百了,打印出来,没有时间做,就这样放着,孩子说课堂上老师会讲。

家长不放心,抓住国庆假期,盯着他做了第一章和第二章集合和不等式错题。结果大部分还是不会做。

要么老师上课时挑着部分难题作业讲解,没法面面俱到。

没办法,不能光顾着自己追剧,沉下心开启查资料梳理问题模式。

应该是基础知识点不熟悉,找相关知识点复习。

实践下来,还是有用的。

市面上数学网课一般都是2小时起步,主要都是讲解题目,买的课程没全部听。

对比下来,那些公开的,时间短,聚焦基础知识点的内容更适配现阶段。

下个月就要期中考试了,主要是前面三章内容:集合,不等式,函数。

周五晚上问孩子,周六回来听数学还是化学?

答:还是数学吧,最近上幂函数,指数运算。先听这个。上次听过的不等式恒成立,今天老师总结讲了一遍。

看来每个老师都有自己课程体系,时间有先后。之前不等式错的太多了,主要集中在恒成立。

幂函数和指数运算,应该是考基础概念,看智学网作业准确率有70%。网上很少这方面知识点。

还是建议他看函数:

1,函数基础知识图像。

2,单调性

3,奇偶性

4,抽象函数

5,幂函数

这五个板块基础知识点,如果间隔反复看三遍,那基础题应该不会错。

下面是AI给的建议:

单调性、奇偶性,仅仅是函数的基础骨架,期中试卷里还会打包一起考这些内容:

✅ 定义域、值域:所有函数题的第一步,也是最容易漏掉的,求范围、分式、根式、对数限制条件,是高频易错点

✅ 函数的表示:分段函数,是期中必考大题,分段讨论、求值、解不等式,非常容易漏段

✅ 函数的最值:常和单调性绑定,闭区间上求最大最小值

✅ 函数图像变换:平移、对称,看图识图、数形结合,是函数题最重要的思路✅ 零点:函数零点存在定理,判断零点所在区间,结合图像分析根的个数

这一块难就难在,知识点单独拿出来好像都懂,一旦综合出题,就需要数形结合。一道题,同时糅合定义域、奇偶性、单调性、分段函数,一步错,后面全部跑偏。初中数学偏向计算,高中函数是第一次正式接触抽象思维,也是很多学生高一遇到的第一道坎。

最后选定了一个半小时单调性函数归纳总结视频,孩子觉得还不错。购买的阿不数学教材,他不太喜欢视频讲解风格,不过拿来当预习和复习知识点,还是可以的。
没有太高奢望,只期待这次期中数学考试可以及格吧!
基本 文件 流程 错误 SQL 调试
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