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想让孩子数学学透,不妨试试「讲题训练」

  • 2026-11-14 12:51:24
想让孩子数学学透,不妨试试「讲题训练」
很多家长判断孩子数学好不好,只看卷子上答案对不对,关心他刷了多少题、上了多少课,却很少问一句:这道题,你能不能清清楚楚讲明白?在多年教学里我发现:会做题 ≠ 真正懂题。
不少孩子计算很快,答案也能做对,但是如果你追问他,这一步为什么这么算,这个数字代表什么含义,他就卡壳了。
这种情况,大多只是记住了解题套路,背后的逻辑并没有吃透,遇到题型一变就很容易出错。而讲题,就是性价比很高的一项综合训练。
审题、分析、推理、组织语言复盘,一整套思维全部调动起来。孩子在输出讲解的过程中,才更容易把知识点真正学明白。✅ 讲透一道题,胜过盲目刷十道题很多家长以为讲题只是把解题步骤念一遍,远远不是。
一道题拿出来,要能说清:题目给了哪些条件?哪一条条件是突破口?为什么先求这个量?每一个算式对应的含义是什么?必要的时候能不能画图辅助理解?举个简单例子:甲有24张卡片,比乙的2倍少6张,乙有多少张?
孩子直接写出算式算出答案,只是第一层;
能讲明白为什么要先加上6,把线段图画出来,看懂甲乙之间的倍数关系,才算是理解到位。做完之后再想一想,以后同类题目能不能套用这套思路,这才是刷题最终想要达成的目标。我备课的时候,同一道题也会反复琢磨表达方式,怎么讲思路才最顺畅。
对于学生也是同理,认认真真啃透一道经典例题,比囫囵吞枣刷一大堆同类型题目收益更高。
我们最终目标,不是这一道题的答案,而是学会可以迁移到一类题型当中的思考方式。✅ 在家轻松落地,四个小环节讲题不需要每天大量进行,一天一道就足够,重点是理解,不是数量。给大家一套简单好执行的家庭方案:1. 选题很关键
不要一上来就挑难题打击信心。优先选择已经能做出来,但是理解还不够透彻的题目,经典例题、刚订正完的错题都是绝佳素材。已经熟练到张口就来的常规题目,就不用反复练习了。2. 先让孩子独立完整讲一遍
家长暂时放下辅导者的身份,当一名听课的学生,让孩子自己决定讲解顺序,自己思考要不要画图。哪怕表达磕磕绊绊,中途尽量不要中途打断纠正,先听完完整思路。低年级孩子边画边讲,完全没问题。3. 听完之后适当追问
讲完之后挑1-2个核心问题提问,例如:这一步的数据从哪里来?这条线段代表什么?
提问的目的,是帮孩子查漏补缺,不是故意把孩子问倒。一旦卡住,可以引导孩子重读题目、画图,适当给一点点提示。4. 最后简单复盘
收尾的时候简单回顾:这道题最核心考点是什么?刚才讲解的时候,哪一步解释起来最费劲?如果是错题,当初错在哪一步?不用面面俱到,抓住最关键一点思考即可。✅ 写在最后数学学习很多时候是独自埋头计算,很容易枯燥。
讲题给了孩子一次输出表达的机会,也让家庭辅导不再只有家长单方面讲解。长期坚持讲题训练,孩子会从一开始只能读出算式,慢慢能够完整梳理思路,最后主动去对比不同解法,找到各类题目之间的关联。往后检查孩子数学,别只问今天做对几道题,可以换成一句:挑一道今天学的题目,讲给我听听。
每天一道题,坚持下来,孩子对于数学的理解,会慢慢深入。
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