{"id":2661,"date":"2026-08-20T11:12:21","date_gmt":"2026-08-20T04:12:21","guid":{"rendered":"https:\/\/navi.edu.vn\/blog\/?p=2661"},"modified":"2026-08-20T11:12:21","modified_gmt":"2026-08-20T04:12:21","slug":"ao-giac-hieu-bai-mon-toan-vi-sao-o-lop-con-hieu-nhung-ve-nha-khong-lam-duoc","status":"publish","type":"post","link":"https:\/\/navi.edu.vn\/blog\/ao-giac-hieu-bai-mon-toan-vi-sao-o-lop-con-hieu-nhung-ve-nha-khong-lam-duoc\/","title":{"rendered":"\u1ea2o gi\u00e1c Hi\u1ec3u b\u00e0i m\u00f4n To\u00e1n: V\u00ec sao \u1edf l\u1edbp con hi\u1ec3u nh\u01b0ng v\u1ec1 nh\u00e0 kh\u00f4ng l\u00e0m \u0111\u01b0\u1ee3c?"},"content":{"rendered":"

Ch\u1eafc h\u1eb3n nhi\u1ec1u ba m\u1eb9 kh\u00f4ng xa l\u1ea1 v\u1edbi c\u1ea3nh con g\u1eadt \u0111\u1ea7u hi\u1ec3u b\u00e0i tr\u00ean l\u1edbp, nh\u01b0ng v\u1ec1 nh\u00e0 l\u1ea1i ng\u01a1 ng\u00e1c kh\u00f4ng bi\u1ebft \u0111\u1eb7t b\u00fat t\u1eeb \u0111\u00e2u<\/span><\/span>. <\/span>\u0110\u1eebng v\u1ed9i tr\u00e1ch con l\u01b0\u1eddi hay qu\u00ean, b\u1edfi con \u0111ang m\u1eafc ph\u1ea3i c\u00e1i b\u1eaby nguy hi\u1ec3m: <\/span>\u1ea2o gi\u00e1c hi\u1ec3u b\u00e0i m\u00f4n To\u00e1n<\/span><\/b><\/span>. <\/span>Vi\u1ec7c ch\u1ec9 b\u1eaft ch\u01b0\u1edbc b\u00e0i m\u1eabu m\u00e0 kh\u00f4ng hi\u1ec3u b\u1ea3n ch\u1ea5t khi\u1ebfn con d\u1ea7n th\u1ee5 \u0111\u1ed9ng v\u00e0 s\u1ee3 h\u1ecdc<\/span><\/span>. <\/span>H\u00e3y c\u00f9ng <\/span>NaviEdu<\/span><\/b> b\u00f3c t\u00e1ch nguy\u00ean nh\u00e2n v\u00e0 t\u00ecm gi\u1ea3i ph\u00e1p gi\u00fap con \u0111\u00e1nh th\u1ee9c t\u01b0 duy ch\u1ee7 \u0111\u1ed9ng ngay d\u01b0\u1edbi \u0111\u00e2y<\/span><\/span>!<\/span><\/p>\n

V\u00ec sao con g\u1eb7p t\u00ecnh tr\u1ea1ng “\u1edf l\u1edbp hi\u1ec3u b\u00e0i, v\u1ec1 nh\u00e0 kh\u00f4ng l\u00e0m \u0111\u01b0\u1ee3c”?<\/h2>\n
\"Con
Con g\u1eadt g\u00f9 hi\u1ec3u b\u00e0i tr\u00ean l\u1edbp nh\u01b0ng v\u1ec1 nh\u00e0 nh\u00ecn \u0111\u1ec1 l\u1ea1i c\u1eafn b\u00fat, nguy\u00ean nh\u00e2n do \u0111\u00e2u?<\/figcaption><\/figure>\n

1. Con ch\u1ec9 “hi\u1ec3u c\u00e1ch ch\u00e9p”, ch\u01b0a ph\u1ea3i “hi\u1ec3u b\u1ea3n ch\u1ea5t”<\/h3>\n
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    Bi\u1ec3u hi\u1ec7n:<\/span><\/b> Khi nghe th\u1ea7y c\u00f4 gi\u1ea3ng b\u00e0i ho\u1eb7c nh\u00ecn l\u1eddi gi\u1ea3i m\u1eabu tr\u00ean b\u1ea3ng, con c\u1ea3m th\u1ea5y r\u1ea5t d\u1ec5 hi\u1ec3u v\u00e0 n\u1eafm \u0111\u01b0\u1ee3c c\u00e1c b\u01b0\u1edbc l\u00e0m<\/span><\/span>.<\/span><\/p>\n<\/li>\n

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    B\u1ea3n ch\u1ea5t v\u1ea5n \u0111\u1ec1:<\/span><\/b> L\u00fac n\u00e0y, n\u00e3o b\u1ed9 c\u1ee7a con ch\u1ec9 \u0111ang th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 ghi nh\u1edb ng\u1eafn h\u1ea1n<\/span><\/span>. <\/span>Con m\u1edbi d\u1eebng l\u1ea1i \u1edf m\u1ee9c \u0111\u1ed9 <\/span>b\u1eaft ch\u01b0\u1edbc<\/span><\/b> v\u00e0 h\u1ecdc thu\u1ed9c l\u00f2ng tr\u00ecnh t\u1ef1 gi\u1ea3i, ch\u1ee9 ho\u00e0n to\u00e0n ch\u01b0a t\u1ef1 t\u01b0 duy logic hay ph\u00e2n t\u00edch b\u1ea3n ch\u1ea5t<\/span><\/span>.\u00a0<\/span><\/p>\n<\/li>\n<\/ul>\n

    2. Thi\u1ebfu kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ecbnh h\u01b0\u1edbng<\/h3>\n
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      Bi\u1ec3u hi\u1ec7n:<\/span><\/b> \u1ede tr\u00ean l\u1edbp c\u00f3 s\u1ef1 d\u1eabn d\u1eaft c\u1ee7a th\u1ea7y c\u00f4 th\u00ec l\u00e0m b\u00e0i r\u1ea5t m\u01b0\u1ee3t, nh\u01b0ng t\u1ed1i v\u1ec1 m\u1edf s\u00e1ch t\u1ef1 l\u00e0m m\u1ed9t m\u00ecnh l\u00e0 con l\u1eadp t\u1ee9c b\u1ed1i r\u1ed1i, kh\u00f4ng bi\u1ebft b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2u<\/span><\/span>.<\/span><\/p>\n<\/li>\n

    • \n

      B\u1ea3n ch\u1ea5t v\u1ea5n \u0111\u1ec1:<\/b> <\/span>Th\u1ea7y c\u00f4 tr\u00ean l\u1edbp \u0111\u00f3ng vai tr\u00f2 nh\u01b0 “ng\u01b0\u1eddi d\u1eabn \u0111\u01b0\u1eddng” ch\u1ec9 t\u1eebng b\u01b0\u1edbc<\/span><\/span>. <\/span>Khi v\u1ec1 nh\u00e0 kh\u00f4ng c\u00f3 ai nh\u1eafc n\u01b0\u1edbc \u0111i ti\u1ebfp theo, con l\u1eadp t\u1ee9c m\u1ea5t ph\u01b0\u01a1ng h\u01b0\u1edbng v\u00ec ch\u01b0a bao gi\u1edd t\u1ef1 x\u00e2y d\u1ef1ng t\u01b0 duy cho ri\u00eang m\u00ecnh<\/span><\/span>.<\/span><\/p>\n<\/li>\n<\/ul>\n

      3. M\u1ea5t g\u1ed1c t\u01b0 duy To\u00e1n h\u1ecdc & h\u1ecdc v\u1eb9t c\u00f4ng th\u1ee9c<\/h3>\n
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        Bi\u1ec3u hi\u1ec7n:<\/span><\/b> Con thu\u1ed9c l\u00f2ng c\u00e1c c\u00f4ng th\u1ee9c, \u0111\u1ecbnh l\u00fd nh\u01b0ng ch\u1ec9 c\u1ea7n \u0111\u1ec1 b\u00e0i bi\u1ebfn t\u1ea5u nh\u1eb9 , thay \u0111\u1ed5i c\u00e2u ch\u1eef ho\u1eb7c \u0111\u1ed5i s\u1ed1 li\u1ec7u l\u00e0 con ho\u00e0n to\u00e0n “\u0111\u00f3ng b\u0103ng”<\/span><\/span>.<\/span><\/p>\n<\/li>\n

      • \n

        B\u1ea3n ch\u1ea5t v\u1ea5n \u0111\u1ec1:<\/span><\/b> Do con h\u1ecdc theo ki\u1ec3u h\u1ecdc v\u1eb9t, kh\u00f4ng hi\u1ec3u g\u1ed1c r\u1ec5 l\u00fd do <\/span>“T\u1ea1i sao l\u1ea1i d\u00f9ng c\u00f4ng th\u1ee9c n\u00e0y?”<\/span><\/i> hay <\/span>“B\u1ea3n ch\u1ea5t c\u1ee7a d\u1ea1ng b\u00e0i n\u00e0y l\u00e0 g\u00ec?”<\/span><\/i><\/span>. <\/span>Vi\u1ec7c thi\u1ebfu h\u1ee5t n\u1ec1n t\u1ea3ng t\u01b0 duy khi\u1ebfn con kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng linh ho\u1ea1t bi\u1ebfn \u0111\u1ed5i khi \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c d\u1ea1ng \u0111\u1ec1 to\u00e1n m\u1edf ho\u1eb7c \u0111\u1ec1 thi t\u1ed5ng h\u1ee3p<\/span><\/span>.<\/span><\/p>\n<\/li>\n<\/ul>\n

        H\u1eadu qu\u1ea3 nguy hi\u1ec3m: C\u00e0ng h\u1ecdc c\u00e0ng s\u1ee3, tr\u01b0\u1ee3t d\u00e0i trong th\u1ee5 \u0111\u1ed9ng<\/h2>\n
        \""\u1ea2o
        “\u1ea2o gi\u00e1c” hi\u1ec3u b\u00e0i c\u00f3 th\u1ec3 khi\u1ebfn ki\u1ebfn th\u1ee9c con tr\u01b0\u1ee3t d\u00e0i<\/figcaption><\/figure>\n

        1. M\u1ea5t t\u1ef1 tin v\u00e0 h\u00ecnh th\u00e0nh th\u00f3i quen \u1ef7 l\u1ea1i, th\u1ee5 \u0111\u1ed9ng<\/h3>\n

        Khi \u0111\u00e3 quen v\u1edbi vi\u1ec7c b\u1eaft ch\u01b0\u1edbc l\u1eddi gi\u1ea3i m\u1eabu, n\u00e3o b\u1ed9 c\u1ee7a con r\u01a1i v\u00e0o tr\u1ea1ng th\u00e1i “l\u01b0\u1eddi v\u1eadn \u0111\u1ed9ng”. Con tr\u1edf n\u00ean ho\u00e0n to\u00e0n b\u1ecb \u0111\u1ed9ng, kh\u00f4ng c\u00f2n d\u0169ng c\u1ea3m t\u1ef1 \u0111\u1eb7t b\u00fat ph\u00e2n t\u00edch \u0111\u1ec1 hay th\u1eed nghi\u1ec7m c\u00e1c h\u01b0\u1edbng gi\u1ea3i m\u1edbi. M\u1ed7i khi g\u1eb7p b\u00e0i to\u00e1n l\u1ea1, ph\u1ea3n \u1ee9ng \u0111\u1ea7u ti\u00ean c\u1ee7a con kh\u00f4ng ph\u1ea3i l\u00e0 suy ngh\u0129 m\u00e0 l\u00e0 ch\u1edd \u0111\u1ee3i th\u1ea7y c\u00f4 ch\u1eefa m\u1eabu, tra m\u1ea1ng ho\u1eb7c nh\u00ecn b\u00e0i b\u1ea1n.<\/p>\n

        2. T\u1ed1n nhi\u1ec1u th\u1eddi gian, c\u00f4ng s\u1ee9c nh\u01b0ng \u0111i\u1ec3m s\u1ed1 v\u1eabn gi\u1eadm ch\u00e2n t\u1ea1i ch\u1ed7<\/h3>\n

        H\u00ecnh \u1ea3nh con c\u1eb7m c\u1ee5i ng\u1ed3i v\u00e0o b\u00e0n h\u1ecdc \u0111\u1ebfn mu\u1ed9n m\u1ed7i t\u1ed1i khi\u1ebfn ba m\u1eb9 kh\u00f4ng kh\u1ecfi x\u00f3t xa. Th\u1ebf nh\u01b0ng, d\u00f9 d\u00e0nh h\u00e0ng gi\u1edd \u0111\u1ed3ng h\u1ed3 l\u00e0m b\u00e0i t\u1eadp, k\u1ebft qu\u1ea3 b\u00e0i thi c\u1ee7a con v\u1eabn l\u1eb9t \u0111\u1eb9t. Vi\u1ec7c “c\u00e0y” b\u00e0i t\u1eadp d\u1ef1a tr\u00ean s\u1ef1 b\u1eaft ch\u01b0\u1edbc th\u1ee5 \u0111\u1ed9ng ch\u1ec9 l\u00e0m con ki\u1ec7t s\u1ee9c ch\u1ee9 kh\u00f4ng th\u1ec3 gi\u00fap con v\u01b0\u1ee3t qua c\u00e1c b\u00e0i to\u00e1n ph\u00e2n h\u00f3a trong \u0111\u1ec1 thi th\u1ef1c t\u1ebf.<\/p>\n

        3. N\u1ea3y sinh t\u00e2m l\u00fd s\u1ee3 To\u00e1n v\u00e0 t\u1ef1 g\u00e1n nh\u00e3n “m\u00ecnh k\u00e9m c\u1ecfi”<\/h3>\n

        C\u1ea3m gi\u00e1c “r\u00f5 r\u00e0ng tr\u00ean l\u1edbp m\u00ecnh hi\u1ec3u m\u00e0 sao l\u00e0m b\u00e0i v\u1eabn \u0111i\u1ec3m k\u00e9m” l\u1eb7p \u0111i l\u1eb7p l\u1ea1i t\u1ea1o ra s\u1ef1 h\u1ee5t h\u1eabng v\u00e0 b\u1ea5t an l\u1edbn trong t\u00e2m l\u00fd con. L\u00e2u d\u1ea7n, con h\u00ecnh th\u00e0nh t\u00e2m l\u00fd n\u00e9 tr\u00e1nh, s\u1ee3 h\u00e3i m\u1ed7i khi \u0111\u1ebfn gi\u1edd h\u1ecdc To\u00e1n v\u00e0 t\u1ef1 g\u00e1n nh\u00e3n cho m\u00ecnh l\u00e0 “kh\u00f4ng c\u00f3 n\u0103ng khi\u1ebfu h\u1ecdc To\u00e1n” hay “m\u00ecnh sinh ra kh\u00f4ng d\u00e0nh cho m\u00f4n t\u1ef1 nhi\u00ean”.<\/p>\n

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        L\u1eddi khuy\u00ean cho ba m\u1eb9:<\/b> \u0110\u1eebng \u0111\u1ec3 “\u1ea3o gi\u00e1c hi\u1ec3u b\u00e0i” bi\u1ebfn m\u00f4n To\u00e1n th\u00e0nh n\u1ed7i \u00e1m \u1ea3nh k\u00e9o d\u00e0i. \u0110i\u1ec1u con c\u1ea7n l\u00fac n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ecb \u00e9p l\u00e0m th\u00eam h\u00e0ng tr\u0103m b\u00e0i t\u1eadp l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, m\u00e0 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p gi\u00fap \u0111\u00e1nh th\u1ee9c t\u01b0 duy ch\u1ee7 \u0111\u1ed9ng<\/b> v\u00e0 h\u1ecdc To\u00e1n t\u1eeb b\u1ea3n ch\u1ea5t!<\/em><\/p>\n<\/blockquote>\n

        Gi\u1ea3i ph\u00e1p t\u1eeb NaviEdu: Chuy\u1ec3n t\u1eeb “H\u1ecdc b\u1eaft ch\u01b0\u1edbc” sang “T\u01b0 duy ch\u1ee7 \u0111\u1ed9ng”<\/h2>\n
        \"R\u00e8n
        R\u00e8n t\u01b0 duy ch\u1ee7 \u0111\u1ed9ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 gi\u00fap con l\u00e0m ch\u1ee7 ki\u1ebfn th\u1ee9c<\/figcaption><\/figure>\n

        Th\u1ea5u hi\u1ec3u nh\u1eefng kh\u00f3 kh\u0103n c\u1ee7a h\u1ecdc sinh, NaviEdu nh\u1eadn \u0111\u1ecbnh r\u1eb1ng \u0111i\u1ec1u con c\u1ea7n kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ecb \u00e9p l\u00e0m th\u00eam h\u00e0ng tr\u0103m b\u00e0i t\u1eadp m\u1eabu, m\u00e0 l\u00e0 \u0111\u01b0\u1ee3c \u0111\u00e1nh th\u1ee9c t\u01b0 duy ch\u1ee7 \u0111\u1ed9ng<\/span><\/span>. Thay v\u00ec \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p nh\u1ed3i nh\u00e9t, NaviEdu x\u00e2y d\u1ef1ng l\u1ed9 tr\u00ecnh g\u1ee1 r\u1ed1i d\u1ef1a tr\u00ean 3 n\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i:<\/span><\/p>\n

        1. T\u1eadp trung v\u00e0o B\u1ea2N CH\u1ea4T ki\u1ebfn th\u1ee9c thay v\u00ec \u00e9p l\u00e0m b\u00e0i t\u1eadp m\u1eabu<\/h3>\n