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1c:T102d,初めまして。rockyyyと申します。
数学の勉強法において、最も重要なことは解法を見ながら理解することであると思っています。一度間違えた問題の解法を完全に理解しないままにしておくと、同じ問題に何度向き合っても解けないままです。なので解けなかった問題に関しては、解説をよく読み、理解することを重要視すると良いと思います。

具体的にどのようなことをすればいいのかというと、僕は解説を最初から最後まで逐一理解しながら読み進めていくことが良いと思います。

例えば、
「ここで、次のように式変形する。」と言ったような文言が出てきた場合、「なんかわからんけど、そう式変形するのね」と考えるのではなく、「なんのためにその式変形をするのか。その式変形でなんの得があるのか」ということを考えるということです。そうすると、「この式変形をすることで、このような操作が可能になるのか！」とか「こう式変形することでこの法則が使えるようになるんだ!」などの発見があるのではないかと思います。それを繰り返して、その問題の解法を完全に理解すると、その問題に対してだけでなく、似たような問題にも同時に対応できるようになると思います。「ここで、この法則を使いたいから、前学んだみたいにこうすることで・・」と言ったような感じで対応できてくるのではないかと思います。僕はそうして学んだ知識をノートに書き留めておき、チラチラ日常的にみるようなことをしていました。

そうすると、実際に数学において、未知の問題(自分が解いたことのない問題)に対しても、その問題を解くための様々な手法を思いつくようになり、それを使って解くことができるようになりました。成績も伸びて、数学がより楽しく、そして勉強が楽しくなったことを覚えています。

なので、数学の問題を解くことにおいて大事なことは、最初は解けなくても良いので解法を読んで、「こうすることでこの解法が使えるのか」ということや「こうすることでこの公式が使えるのか」となることが重要です。それを自分の言葉でノートなどにまとめておくとさらに良いと思います。僕は問題を解いてわからなかったため空いた空白に色ペンで「このようにすることで、この公式を使って問題が解ける」と言ったようなことを書いていました。そして今でもその手法で数学を勉強しています。

そして、話が変わりますが数学において慣れというものも僕は大事であると思っています。ある程度の知識(基本問題を一通り解くなど)を得た場合は、問題集などでひたすら演習を積んで、解説を読んでわからなかった問題に対する解法を学んで自分の言葉でインプットするということを繰り返すと良いのではないかと思います。そうすることで、この「問題見たことある!]となって、自然に解法が浮かんでくるようになると思います。そうなっていくとどんどん問題が解けるようになってくるので、数学が楽しくなり、また勉強するという好循環を引き起こしてくれると思います。

そして、理系においては数学に比重が大きい入試がほとんどなので、入試において優位に立てるようになると思います。最初の方は、まだ知識も足りていないかもしれないので全然解けないかもしれませんが、辛抱強くこうした勉強法を続けていくと、自然に解けるようになってくると思います。良ければ参考にしてください！！受験応援しています！1d:Tc25,まずはどの科目にも言えることですが、基礎をしっかり理解し、解けるようにしてください。

基本問題を解き、わからないところは教科書や参考書に立ち返り復習する癖をつけましょう。
そして解法パターンを身につければ、応用問題も怖くありません。

数学はとにかく問題を解けばいい、と思っていませんか？
実はわたしもそう思っていました。
なので理論もわからず、とにかく問題集（私は青チャートを使っていました）を解き、間違える日々。

しかしこの勉強法は間違っている、と浪人してからやっと気付きました。

数学には定型パターンがあります。
高校数学を難しく感じるのは、そのパターンが非常に多いためです。
なので、まずはお決まりのパターンをしっかり覚えるようにしてください。

こういう問題がきたら、この公式だな、ってすぐに思いつくレベルまでもっていくのです。

以下、具体的な方法です。

私は青チャートを使っていたので、青チャートをイメージしてお答えしますが、ご自身の使っている問題集に置き換えて参考にしてみてください。

1.まずは一通り例題を解き、公式の使いどころを覚える。（基本問題）
→数学には解法パターンがあります。こういう問題が来たら、こういう方法で解く、というのが反射的にわかる、身につく、というところまでもっていきます。
この時、公式がわからない、理解できないときは教科書を開いて理解するようにしましょう。

2.例題の下にある問題を解く（標準問題）
→わからなくてもすぐに答えなどみずに、10分は考えるようにしましょう。この時色々な公式や解法が頭に浮かべば、知識は身についている証拠です。
逆に標準問題で手も足も出ないなら、教科書に立ち返りましょう。
ここまでできれば、定期テストや模試である程度の得点は見込めます。（青チャートなら国立大やマーチレベル）

3.章末問題を解く（応用、発展問題）
→数学を得点源にしたい人、難関国立大や早慶を狙う人は最終的に解けるようにしましょう。
このレベルだとさまざまな公式を合わせて使う、複合タイプの問題になります。
この問題をやるときは、「自分がどこまでわかっていて、どこからがわからないのか」をしっかり把握するようにしてください。復習するときはできないところの例題などを見返し、できるようにしましょう。
これが解ければ模試の大問もほぼ完投できます。


このように、大事なことはとにかく、
理論を理解する
ことです。
闇雲にやって量をこなすのではなく、丁寧に時間をかけて勉強してください。
2:["$","main",null,{"className":"px-4 pt-4 pb-4","children":["$","div",null,{"className":"max-w-3xl mx-auto w-full","children":[["$","div",null,{"className":"mb-8","children":["$","$L7",null,{"href":"https://unilink-app.onelink.me/isbO/h6xeh63x?advice=R1Ldhn4BTqPwDZPuwgOv","target":"_blank","children":["$","$L8",null,{"src":"/images/web_to_app_banner.jpg","width":3660,"height":1500,"sizes":"100vw","style":{"width":"100%","height":"auto"},"alt":"UniLink WebToAppバナー画像","className":"mb-4 rounded"}]}]}],["$","h1",null,{"className":"text-xl font-semibold mb-2","children":"数学の勉強の考え方"}],["$","div",null,{"className":"flex justify-between mb-4","children":[["$","div",null,{"className":"text-left text-xs text-caption","children":["クリップ(",29,") コメント(",1,")"]}],["$","div",null,{"className":"text-right text-xs text-caption","children":"1/23 12:16"}]]}],["$","div",null,{"className":"coach-mark 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"青チャート何周もしたのに解法を忘れるのはなぜか？"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"つるまるさん、こんにちは〜☺️\n\n確かに、やってもやっても身につかないことってありますよね。私も、模試などの時に、「これ絶対やった問題なのに〜。なんで分からないんだー。」と自分を殴りたくなる経験を何度もしてきました。そんな私が悩んだ末に編み出した。解法暗記方法をお教えしたいと思います。\n\n✅行き当たりばったりの解答を止める\n\n解答を作成するときに、最後まで解答が思い浮かんでいないうちに書き進めてしまっていませんか？\nもちろん、模試の時や入試本番でどうしても点数が取りたい時にはとりあえず書き進めるという方法を取ることも全然アリです。\n\nしかし、練習の時はそれではいけません。特に解法を定着させたい時には、方針を立ててから解くようにしましょう。\n\nではなぜこのようにするといいのでしょうか。\n\n行き当たりばったりで解くと、自分がなぜその思考に至ったのか分からなくなってしまいます。自分の思考の理由がわかると足がかりが増えます。\n\n✅多くの解答に共通する考え方を探す\n\n数学には多くの問題に使える考え方がたくさんあります。\n\nたとえば…\n\n２変数だったら一文字固定しよう\n整数問題は因数分解、剰余類に分ける、範囲を絞る\nベクトルは基本ベクトルだけで表す\n軌跡は軌跡上の点を（x,y）で置く\n\nなど最初の一手が決まっている問題は多いです。\nこのような共通する考え方をたくさん知っていると解法に辿り着きやすくなります。\n\n✅最後から考えよう\n\nこれは方針を考えるコツです。\n最終的に何をしたいのかを確認しましょう。特に指数対数の範囲では式の変形に注目しすぎて最終的に何をしたいのか分からなくなりがちです。\n\nですから、最後から逆算してゴールから考えてみるというのも解法にたどり着くための鍵になると思います。\n\n✅大量の問題を解こう\n\nやはり、これが単純かつ確実かつ最強です。大量の問題を解くことによって、解答の中の当たり前の部分が増えます。すると、一瞬で頭の中で解答の最後の方まで辿り着けます。\n\nさらには初見の問題を見ても頭の中で類似問題を検索して知っている問題として解く事ができ流ようになります。\n\n\nどうでしたか？文系の方にとっては数学は難敵ですよね。数学の問題を解く１番のコツは必ず解けると思うこと。解けないかもしれないと思いながらだと解けません。自信が実力を上げ、実力が自信を上げるのです。"}],["$","div",null,{"className":"flex 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"応用問題の解き方"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"こんにちは、はじめまして。\n東工大二年のたかゆーといいます。\n\n僕自身、高一の頃は進研模試の数学で60点とかを連発していましたが、高3の頃では東工大オープンで数学が10番代という結果を残せたのである程度参考になるかと思います。\n\n質問者さんの「どうやったら応用問題を解けるようになるのか」ということですが原因は主に２つあると考えられます。\n\n①基本的な考え方(フォーカスやチャート)の問題を完璧にできていない\n②問題を解く時になんとなくで解いてしまっている\n\n①に関しては、ほとんどの受験生ができていないように思われます。全部解けるのはもちろんのこと、なぜそのような解き方、考え方をするのかというところまで理解しましょう。\n僕はフォーカスしか使ったことがありませんが、文系の方でしたら例題の星4は完璧にしなくても大丈夫だと思われます。\n具体的にどのようにフォーカスやチャートを使っていくかは僕自身のブログでまとめておりますのでそちらをご覧ください。\n\n②に関しては、①とかぶるところがありますが問題を解く時に使った考え方や解き方を「なぜ選んだか」という理由を自分なりに考えながら問題演習をしていきましょう。最初は難しいかと思いますが、自分なりに考えて量を積んでいくと見たことのない問題でもある程度方針を絞ることができます。\nこのトレーニングの積み方としては「入試数学の掌握」という参考書がすごく役に立ちます。\nですが、この参考書はあくまでも読み物として使いましょう。\n\n入試数学において、解法の本質は30個程度しかないことに加え、問題を分析すればそのうちの２つ程度に絞られます。\nこの領域に達するのは難しいですが、僕が述べた方法で勉強していけば必ずたどり着く日がきます。\n\n拙い文章ですが最後まで読んでいただきありがとうございました。\n応援してます、頑張ってください"}],["$","div",null,{"className":"flex mb-1","children":[["$","svg",null,{"stroke":"currentColor","fill":"currentColor","strokeWidth":"0","viewBox":"0 0 24 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mb-1","children":"こんにちは！東大理3のゆきです。まず、数学を勉強する上で最も意識すべきことは、「問題を見たときに解法の方針がすぐに思い浮かぶ状態」を目指すことです。単に解けたというレベルではなく、「この問題はこう考えるべきだ」という見通しが自然に浮かぶまで練習を重ねることが重要です。そのためには、一問一問を「なぜこの解法になるのか」と自問しながら取り組むことが必要です。公式や解法をただ覚えるのではなく、「なぜその式を立てるのか」「なぜその変形を使うのか」といった“理由”を意識することで、より深い理解が得られます。\n\nまた、問題を解くたびに「この問題はどういうタイプで、どんなアプローチを取るべきか」という視点で分類する習慣をつけることも大切です。青チャートなどの問題集を解き進める中で、「これは二次関数の最大最小の典型問題だな」などとパターンを意識して整理していくことで、類題に出会ったときにすぐに解法が浮かびやすくなります。\n\n勉強の進度としては、高3の4月までに数IA・ⅡBの基礎を一通り終えておくことが理想です。これは共通テストや志望校対策に十分な時間を残すためにも必要な目標です。具体的には、高2の夏までに数IAの基礎を固め、冬までに数Ⅱ、春までに数B（数列・ベクトル）を終わらせることを目指します。\n\nさらに、問題の本質を理解するためには、解答の手順を自分の言葉で説明できることがひとつの目安になります。誰かに「なぜその式を使うのか」「なぜその考え方が成り立つのか」と聞かれたときに、しっかり説明できる状態であれば、理解はかなり深まっているはずです。また、特に関数や図形の分野では、グラフや図を使って視覚的に理解することも効果的です。計算だけに頼らず、図からアプローチすることで、より直感的に問題の構造をつかむことができます。\n\n最後に、数学は積み重ねの科目なので、どれだけ“型”を身につけ、それを再現できるかが実力を決めます。ただし、それは暗記とは違い、「理由を理解した上で再現できるようにする」ことが重要です。青チャートの例題を使って、すぐに解法の方針が立てられる状態を目指して繰り返し練習していくことで、確実に力はついていきます。"}],["$","div",null,{"className":"flex 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"数学における｢問題の本質の理解｣とは何か"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"こんにちは！数学の本質理解についてですね！\n文系ではありますが、数学は得意だったので私の考えを描こうと思います。\n\n数学の本質を理解しろ！何ていろんな人が言いますが、はっきりいって良く分からないですよね。私も確かに解法丸暗記はよくないしなぁ…なんて思いつつ勉強してました。\n\nしかし、ある時ふと本質を理解しろとはどういう意味か考えたときに思い当たったことがあります。\nそれは、本質を理解できているかは、その問題を何も見ず他人に説明できるかどうかではないかということです。\n\n本質って言ったって、数学者じゃないので全てが分かるわけでもない。でも、テストの問題は解かなきゃいけないと考えたときに、どこに基準を置くかと言うことだと思います。私の結論は先ほど述べたように、1から大筋を説明できるようになることになりました。\n\n受験数学において、最も必要とされる水準は東大をはじめとした大学な記述式ですから、他人に説明できるようになればどんな問題も対応可能なはずです。\nですから、数学の学習で1から大筋を説明しようと思ったとき、詰まってしまうとこが理解できていない所なんだと思います。\n\n普段の学習からなぜ？？どうして？？を大事にしていくと良いのではないでしょうか。そうやって突き詰めることが数強への道だと思います！\n\n他に質問ありましたらお寄せください！"}],["$","div",null,{"className":"flex mb-1","children":[["$","svg",null,{"stroke":"currentColor","fill":"currentColor","strokeWidth":"0","viewBox":"0 0 24 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items-center py-4","children":[["$","div",null,{"className":"flex-1","children":[["$","div",null,{"className":"mb-1","children":"答え見てもわからない問題"}],["$","div",null,{"className":"text-xs text-caption line-clamp-2 mb-1","children":"こんにちは！東工大理学院のひろと申します！\n\n数学で、答えを見ても分からない問題がある時の対処法をお伝えしようと思います！\n\nまず、教科書に載っている基本事項が抜けていないか確認しましょう。大抵の問題は基本事項を抑えることが出来ていれば、解説を読めば理解出来るはずです！それでも分からないという場合は数学の先生に聞くなどして解決しましょう。その際も、ここまでは理解できたが、その先が分からないという聞き方をするとスムーズで仕事が早いでしょう。\n\nでは、教科書に載っている基本事項を抑えるとはどういうことなのかをお伝えします。まず、大切なのは公式を一通りマスターすることです。もちろん公式の丸暗記はよくありません。なぜその公式が導かれるのかを自分で説明できるようになって初めてその公式をマスターできたと言えるでしょう。実際に僕は公式は無理に暗記せず、なんとなくで覚えて全て導出できるようにしていました。あとは、問題を解いていく中で自然に使えるようになります。覚えようとして覚えるのではなく、使っていくうちに覚えるのが効率が良いと思います。また、公式をマスターした後に解く問題は教科書の例題程度で構いません。教科書の例題は舐められがちですが、重要な例題が沢山載っているのでしっかりマスターしましょう。その後は、教科書の章末問題、網羅系参考書といった順番で進めていくと良いでしょう。僕は網羅系参考書でFocusGoldを使っていました。この流れで進めていけば大抵の問題で解説を理解することは可能だと思います。(初見で解けなくても)\n大切なのは、丸暗記しないことです。数学は暗記科目ではありません。必ず思考のプロセスがあります。それをおろそかにするといつか難しい問題に当たった時に行き詰まります。そうならないように、日頃から思考のプロセスを意識して数学の勉強をしてください。思考のプロセスとは、何故そのような変形をするのか、何故その公式を使うのかなどのことです。これを説明できるようになると、数学の力がどんどん上がっていくでしょう。\n\n最後に、何故そうなるのかを意識しながら数学の勉強を進めてください。分からないことがあれば基本事項に立ち返って、周りの人に頼りながら頑張ってください！良い結果が出ることを心から祈ってます！！"}],["$","div",null,{"className":"flex 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