{"id":949,"date":"2024-11-19T14:26:22","date_gmt":"2024-11-19T07:26:22","guid":{"rendered":"https:\/\/navi.edu.vn\/blog\/?p=949"},"modified":"2024-11-26T15:19:05","modified_gmt":"2024-11-26T08:19:05","slug":"trong-tam-kien-thuc-toan-lop-9-trong-de-thi-vao-10","status":"publish","type":"post","link":"https:\/\/navi.edu.vn\/blog\/trong-tam-kien-thuc-toan-lop-9-trong-de-thi-vao-10\/","title":{"rendered":"Tr\u1ecdng t\u00e2m ki\u1ebfn th\u1ee9c To\u00e1n l\u1edbp 9 trong \u0111\u1ec1 thi v\u00e0o 10"},"content":{"rendered":"

K\u1ef3 thi v\u00e0o l\u1edbp 10 l\u00e0 c\u1ed9t m\u1ed1c quan tr\u1ecdng \u0111\u1ed1i v\u1edbi h\u1ecdc sinh l\u1edbp 9, trong \u0111\u00f3 ki\u1ebfn th\u1ee9c To\u00e1n l\u1edbp 9 \u0111\u00f3ng vai tr\u00f2 c\u1ed1t l\u00f5i quy\u1ebft \u0111\u1ecbnh k\u1ebft qu\u1ea3. V\u1edbi s\u1ef1 \u0111a d\u1ea1ng c\u00e1c chuy\u00ean \u0111\u1ec1 To\u00e1n 9, vi\u1ec7c n\u1eafm v\u1eefng n\u1ed9i dung tr\u1ecdng t\u00e2m kh\u00f4ng ch\u1ec9 gi\u00fap h\u1ecdc sinh t\u1ef1 tin m\u00e0 c\u00f2n ti\u1ebft ki\u1ec7m th\u1eddi gian \u00f4n t\u1eadp. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n kh\u00e1m ph\u00e1 c\u00e1c chuy\u00ean \u0111\u1ec1 quan tr\u1ecdng c\u00f9ng ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc hi\u1ec7u qu\u1ea3 \u0111\u1ec3 chinh ph\u1ee5c \u0111\u1ec1 thi v\u00e0o l\u1edbp 10.<\/p>\n

1. T\u1ea7m quan tr\u1ecdng c\u1ee7a To\u00e1n l\u1edbp 9 trong \u0111\u1ec1 thi v\u00e0o l\u1edbp 10<\/strong><\/h2>\n

To\u00e1n l\u1edbp 9<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 n\u1ed9i dung tr\u1ecdng t\u00e2m trong ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc m\u00e0 c\u00f2n l\u00e0 n\u1ec1n t\u1ea3ng ki\u1ebfn th\u1ee9c quy\u1ebft \u0111\u1ecbnh th\u00e0nh c\u00f4ng trong k\u1ef3 thi tuy\u1ec3n sinh v\u00e0o l\u1edbp 10. C\u00e1c chuy\u00ean \u0111\u1ec1 quan tr\u1ecdng nh\u01b0 h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh, b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh, v\u00e0 h\u00ecnh h\u1ecdc kh\u00f4ng gian xu\u1ea5t hi\u1ec7n th\u01b0\u1eddng xuy\u00ean trong c\u1ea5u tr\u00fac \u0111\u1ec1 thi, y\u00eau c\u1ea7u h\u1ecdc sinh v\u1eadn d\u1ee5ng c\u1ea3 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u00e0 k\u1ef9 n\u0103ng t\u01b0 duy n\u00e2ng cao.<\/p>\n

K\u1ef3 thi v\u00e0o l\u1edbp 10 \u0111\u00f2i h\u1ecfi s\u1ef1 li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd gi\u1eefa l\u00fd thuy\u1ebft v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, t\u1eeb gi\u1ea3i to\u00e1n theo s\u00e1ch gi\u00e1o khoa \u0111\u1ebfn v\u1eadn d\u1ee5ng s\u00e1ng t\u1ea1o v\u00e0o c\u00e1c b\u00e0i to\u00e1n th\u1ef1c t\u1ebf. Do \u0111\u00f3, vi\u1ec7c n\u1eafm v\u1eefng tr\u1ecdng t\u00e2m To\u00e1n l\u1edbp 9<\/strong> l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft gi\u00fap h\u1ecdc sinh kh\u00f4ng ch\u1ec9 v\u01b0\u1ee3t qua k\u1ef3 thi m\u00e0 c\u00f2n x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng h\u1ecdc t\u1eadp v\u1eefng ch\u1eafc cho c\u1ea5p 3. Ph\u1ee5 huynh v\u00e0 h\u1ecdc sinh c\u1ea7n ch\u00fa \u00fd \u0111\u1ea7u t\u01b0 th\u1eddi gian v\u00e0o nh\u1eefng chuy\u00ean \u0111\u1ec1 quan tr\u1ecdng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 \u00f4n t\u1eadp.<\/p>\n

\"\"<\/p>\n

2. C\u00e1c chuy\u00ean \u0111\u1ec1 To\u00e1n l\u1edbp 9 th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong \u0111\u1ec1 thi v\u00e0o l\u1edbp 10<\/strong><\/h2>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng chuy\u00ean \u0111\u1ec1 quan tr\u1ecdng v\u00e0 m\u1ed9t s\u1ed1 d\u1ea1ng b\u00e0i c\u1ea7n \u00f4n t\u1eadp:<\/p>\n

2.1 Ph\u1ea7n \u0110\u1ea1i s\u1ed1<\/strong><\/h3>\n

Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t hai \u1ea9n<\/strong><\/p>\n

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  • Chuy\u00ean \u0111\u1ec1 1. Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t hai \u1ea9n: C\u00e1c d\u1ea1ng to\u00e1n v\u1ec1 Nh\u1eadn d\u1ea1ng ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t hai \u1ea9n, nghi\u1ec7m c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t hai \u1ea9n v\u00e0 bi\u1ec3u di\u1ec5n t\u1eadp nghi\u1ec7m tr\u00ean m\u1eb7t ph\u1eb3ng to\u1ea1 \u0111\u1ed9; T\u00ecm \u0111i\u1ec1u ki\u1ec7n c\u1ee7a tham s\u1ed1 \u0111\u1ec3 \u0111\u01b0\u1eddng th\u1eb3ng ax+by=c tho\u1ea3 m\u00e3n \u0111i\u1ec1u ki\u1ec7n cho tr\u01b0\u1edbc<\/li>\n
  • Chuy\u00ean \u0111\u1ec1 2. H\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t hai \u1ea9n: Gi\u1ea3i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p th\u1ebf, c\u1ed9ng \u0111\u1ea1i s\u1ed1, ph\u01b0\u01a1ng ph\u00e1p \u0111\u1eb7t \u1ea9n ph\u1ee5; H\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh ch\u1ee9a tham s\u1ed1; H\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh \u0111\u1ed1i x\u1ee9ng<\/li>\n
  • Chuy\u00ean \u0111\u1ec1 3. Gi\u1ea3i b\u00e0i to\u00e1n b\u1eb1ng c\u00e1ch l\u1eadp h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh: B\u00e0i to\u00e1n chuy\u1ec3n \u0111\u1ed9ng tr\u00ean c\u1ea1n; Chuy\u1ec3n \u0111\u1ed9ng tr\u00ean n\u01b0\u1edbc; D\u1ea1ng to\u00e1n c\u00f4ng vi\u1ec7c, l\u00e0m chung, l\u00e0m ri\u00eang; To\u00e1n c\u00f3 n\u1ed9i dung s\u1ed1 h\u1ecdc v\u00e0 h\u00ecnh h\u1ecdc<\/li>\n<\/ul>\n

    Ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh<\/strong><\/p>\n

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    • Chuy\u00ean \u0111\u1ec1 1. Ph\u01b0\u01a1ng tr\u00ecnh quy v\u1ec1 ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t m\u1ed9t \u1ea9n: Ph\u01b0\u01a1ng tr\u00ecnh t\u00edch; T\u00ecm \u0110KX\u0110 c\u1ee7a ph\u01b0\u01a1ng tr\u00ecnh ch\u1ee9a \u1ea9n \u1edf m\u1eabu; Ph\u01b0\u01a1ng tr\u00ecnh ch\u1ee9a \u1ea9n \u1edf m\u1eabu;\u00a0M\u1ed9t s\u1ed1 b\u00e0i to\u00e1n th\u1ef1c t\u1ebf<\/li>\n
    • Chuy\u00ean \u0111\u1ec1 2. B\u1ea5t \u0111\u1eb3ng th\u1ee9c v\u00e0 t\u00ednh ch\u1ea5t: B\u1ea5t \u0111\u1eb3ng th\u1ee9c v\u00e0 so s\u00e1nh;\u00a0Ch\u1ee9ng minh b\u1ea5t \u0111\u1eb3ng th\u1ee9c<\/li>\n
    • Chuy\u00ean \u0111\u1ec1 3. B\u1ea5t \u0111\u1eb3ng th\u1ee9c b\u1eadc nh\u1ea5t m\u1ed9t \u1ea9n: Gi\u1ea3i b\u1ea5t \u0111\u1eb3ng th\u1ee9c b\u1eadc nh\u1ea5t m\u1ed9t \u1ea9n; B\u00e0i to\u00e1n th\u1ef1c t\u1ebf v\u1ec1 b\u1ea5t \u0111\u1eb3ng th\u1ee9c b\u1eadc nh\u1ea5t m\u1ed9t \u1ea9n<\/li>\n<\/ul>\n

      C\u0103n b\u1eadc 2, c\u0103n b\u1eadc 3<\/strong><\/p>\n

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      • Chuy\u00ean \u0111\u1ec1 1. C\u0103n b\u1eadc 2 v\u00e0 c\u0103n th\u1ee9c b\u1eadc 2: T\u00ednh to\u00e1n, thu g\u1ecdn bi\u1ec3u th\u1ee9c ch\u1ee9a c\u0103n b\u1eadc 2…<\/li>\n
      • Chuy\u00ean \u0111\u1ec1 2. C\u0103n b\u1eadc 2 v\u00e0 c\u0103n b\u1eadc 3: R\u00fat g\u1ecdn bi\u1ec3u th\u1ee9c, ch\u1ee9ng minh<\/li>\n
      • Chuy\u00ean \u0111\u1ec1 3. C\u00e1c ph\u00e9p bi\u1ebfn \u0111\u1ed5i bi\u1ec3u th\u1ee9c ch\u1ee9a c\u0103n: Th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh; \u0110\u01b0a th\u1eeba s\u1ed1 v\u00e0o trong, ra ngo\u00e0i d\u1ea5u c\u0103n, tr\u1ee5c c\u0103n th\u1ee9c \u1edf m\u1eabu<\/li>\n
      • Chuy\u00ean \u0111\u1ec1 4. R\u00fat g\u1ecdn v\u00e0 c\u00e1c c\u00e2u h\u1ecfi sau r\u00fat g\u1ecdn: R\u00fat g\u1ecdn v\u00e0 t\u00ecm c\u00e1c gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ebfn \u0111\u1ec3 bi\u1ec3u th\u1ee9c c\u00f3 gi\u00e1 tr\u1ecb nguy\u00ean; r\u00fat g\u1ecdn v\u00e0 t\u00ecm GTLN, GTNN; r\u00fat g\u1ecdn v\u00e0 t\u00ecm gi\u00e1 tr\u1ecb tham s\u1ed1 \u0111\u1ec3 PT ho\u1eb7c BPT c\u00f3 nghi\u1ec7m…<\/li>\n
      • Chuy\u00ean \u0111\u1ec1 5. C\u0103n b\u1eadc 3 v\u00e0 c\u0103n th\u1ee9c b\u1eadc 3<\/li>\n
      • Chuy\u00ean \u0111\u1ec1 6. Ph\u01b0\u01a1ng tr\u00ecnh ch\u1ee9a c\u0103n th\u1ee9c<\/li>\n<\/ul>\n

        H\u00e0m s\u1ed1 v\u00e0 \u0111\u1ed3 th\u1ecb<\/p>\n

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        • V\u1ebd \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1, t\u00ednh bi\u1ebfn thi\u00ean c\u1ee7a h\u00e0m s\u1ed1<\/li>\n
        • T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a h\u00e0m s\u1ed1 y=ax^2<\/li>\n
        • X\u00e1c \u0111\u1ecbnh h\u00e0m s\u1ed1 tho\u1ea3 m\u00e3n t\u00ednh ch\u1ea5t, \u0111i\u1ec1u ki\u1ec7n cho tr\u01b0\u1edbc<\/li>\n<\/ul>\n

          Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc 2 m\u1ed9t \u1ea9n v\u00e0 c\u00e1ch gi\u1ea3i<\/p>\n

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          • Nh\u1eadn bi\u1ebft, x\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 a, b, c c\u1ee7a PT<\/li>\n
          • Gi\u1ea3i PT b\u1eadc 2. Gi\u1ea3i v\u00e0 bi\u1ec7n lu\u1eadn PT b\u1eadc 2<\/li>\n
          • PT quy v\u1ec1 PT b\u1eadc 2<\/li>\n<\/ul>\n

            \u0110\u1ecbnh l\u00fd Vi-\u00e9t v\u00e0 \u1ee9ng d\u1ee5ng<\/p>\n

            2.2 Ph\u1ea7n H\u00ecnh h\u1ecdc<\/strong><\/h3>\n

            H\u1ec7 th\u1ee9c l\u01b0\u1ee3ng trong tam gi\u00e1c vu\u00f4ng<\/strong><\/p>\n

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            • Chuy\u00ean \u0111\u1ec1 1. T\u1ef7 s\u1ed1 l\u01b0\u1ee3ng gi\u00e1c c\u1ee7a g\u00f3c nh\u1ecdn: T\u00ednh t\u1ef7 s\u1ed1 l\u01b0\u1ee3ng gi\u00e1c c\u1ee7a g\u00f3c nh\u1ecdn; t\u00ednh c\u1ea1nh v\u00e0 g\u00f3c nh\u1ecdn ch\u01b0a bi\u1ebft trong tam gi\u00e1c vu\u00f4ng; t\u1ef7 s\u1ed1 l\u01b0\u1ee3ng gi\u00e1c c\u1ee7a 2 g\u00f3c ph\u1ee5 nhau<\/li>\n
            • Chuy\u00ean \u0111\u1ec1 2. H\u1ec7 th\u1ee9c gi\u1eefa c\u1ea1nh, g\u00f3c trong tam gi\u00e1c vu\u00f4ng v\u00e0 \u1ee9ng d\u1ee5ng<\/li>\n
            • Chuy\u00ean \u0111\u1ec1 3. \u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf, \u01b0\u1edbc l\u01b0\u1ee3ng kho\u1ea3ng c\u00e1ch<\/li>\n
            • Chuy\u00ean \u0111\u1ec1 4. \u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf, \u01b0\u1edbc l\u01b0\u1ee3ng chi\u1ec1u cao<\/li>\n<\/ul>\n

              \u0110\u01b0\u1eddng tr\u00f2n<\/strong><\/p>\n

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              • Chuy\u00ean \u0111\u1ec1 1. T\u00ednh \u0111\u1ed1i x\u1ee9ng c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n<\/li>\n
              • Chuy\u00ean \u0111\u1ec1 2. C\u00e1c g\u00f3c c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n<\/li>\n
              • Chuy\u00ean \u0111\u1ec1 3. Cung v\u00e0 d\u00e2y c\u1ee7a m\u1ed9t \u0111\u01b0\u1eddng tr\u00f2n<\/li>\n
              • Chuy\u00ean \u0111\u1ec1 4. \u0110\u1ed9 d\u00e0i cung tr\u00f2n, di\u1ec7n t\u00edch h\u00ecnh qu\u1ea1t tr\u00f2n v\u00e0 h\u00ecnh v\u00e0nh kh\u0103n<\/li>\n
              • Chuy\u00ean \u0111\u1ec1 5. V\u1ecb tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng v\u00e0 \u0111\u01b0\u1eddng tr\u00f2n, ti\u1ebfp tuy\u1ebfn<\/li>\n
              • Chuy\u00ean \u0111\u1ec1 6. 2 ti\u1ebfp tuy\u1ebfn c\u1eaft nhau c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n<\/li>\n
              • Chuy\u00ean \u0111\u1ec1 7. V\u1ecb tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a 2 \u0111\u01b0\u1eddng tr\u00f2n<\/li>\n<\/ul>\n

                T\u1ee9 gi\u00e1c n\u1ed9i ti\u1ebfp<\/strong><\/p>\n

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                • Chuy\u00ean \u0111\u1ec1 1. G\u00f3c n\u1ed9i ti\u1ebfp<\/li>\n
                • Chuy\u00ean \u0111\u1ec1 2. \u0110\u01b0\u1eddng tr\u00f2n ngo\u1ea1i ti\u1ebfp v\u00e0 n\u1ed9i ti\u1ebfp c\u1ee7a tam gi\u00e1c<\/li>\n
                • Chuy\u00ean \u0111\u1ec1 3. T\u1ee9 gi\u00e1c n\u1ed9i ti\u1ebfp<\/li>\n
                • Chuy\u00ean \u0111\u1ec1 4. \u0110a gi\u00e1c \u0111\u1ec1u<\/li>\n
                • Chuy\u00ean \u0111\u1ec1 5. T\u1ed5ng h\u1ee3p h\u00ecnh h\u1ecdc<\/li>\n<\/ul>\n

                  H\u00ecnh kh\u00f4ng gian<\/strong><\/p>\n

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                  • Chuy\u00ean \u0111\u1ec1 1. H\u00ecnh tr\u1ee5<\/li>\n
                  • Chuy\u00ean \u0111\u1ec1 2. H\u00ecnh n\u00f3n<\/li>\n
                  • Chuy\u00ean \u0111\u1ec1 3. H\u00ecnh c\u1ea7u<\/li>\n<\/ul>\n

                    2.3 Ph\u1ea7n X\u00e1c su\u1ea5t – Th\u1ed1ng k\u00ea<\/strong><\/h3>\n
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                    • Chuy\u00ean \u0111\u1ec1 1. Ph\u00e9p th\u1eed ng\u1eabu nhi\u00ean v\u00e0 kh\u00f4ng gian m\u1eabu<\/li>\n
                    • Chuy\u00ean \u0111\u1ec1 2. X\u00e1c su\u1ea5t c\u1ee7a bi\u1ebfn c\u1ed1 li\u00ean quan t\u1edbi ph\u00e9p th\u1eed<\/li>\n
                    • Chuy\u00ean \u0111\u1ec1 3. X\u00e1c su\u1ea5t c\u1ee7a bi\u1ebfn c\u1ed1 li\u00ean quan trong m\u1ed9t m\u00f4 h\u00ecnh x\u00e1c su\u1ea5t \u0111\u01a1n gi\u1ea3n<\/li>\n
                    • Chuy\u00ean \u0111\u1ec1 4. \u0110a gi\u00e1c \u0111\u1ec1u<\/li>\n
                    • Chuy\u00ean \u0111\u1ec1 5. T\u1ed5ng h\u1ee3p h\u00ecnh h\u1ecdc<\/li>\n<\/ul>\n

                      3. B\u00ed quy\u1ebft \u00f4n thi To\u00e1n l\u1edbp 9 hi\u1ec7u qu\u1ea3<\/h2>\n

                      \u0110\u1ec3 \u0111\u1ea1t k\u1ebft qu\u1ea3 cao trong k\u1ef3 thi v\u00e0o l\u1edbp 10, h\u1ecdc sinh c\u1ea7n c\u00f3 ph\u01b0\u01a1ng ph\u00e1p \u00f4n t\u1eadp khoa h\u1ecdc, t\u1eadp trung v\u00e0o c\u00e1c chuy\u00ean \u0111\u1ec1 tr\u1ecdng t\u00e2m v\u00e0 r\u00e8n luy\u1ec7n k\u1ef9 n\u0103ng l\u00e0m b\u00e0i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng b\u00ed quy\u1ebft \u00f4n thi To\u00e1n l\u1edbp 9 hi\u1ec7u qu\u1ea3:<\/p>\n

                      3.1 X\u00e2y d\u1ef1ng l\u1ed9 tr\u00ecnh h\u1ecdc t\u1eadp r\u00f5 r\u00e0ng<\/strong><\/h3>\n
                        \n
                      • L\u1eadp danh s\u00e1ch chuy\u00ean \u0111\u1ec1: <\/strong>X\u00e1c \u0111\u1ecbnh c\u00e1c n\u1ed9i dung quan tr\u1ecdng trong ch\u01b0\u01a1ng tr\u00ecnh To\u00e1n l\u1edbp 9. \u01afu ti\u00ean \u00f4n t\u1eadp c\u00e1c chuy\u00ean \u0111\u1ec1 xu\u1ea5t hi\u1ec7n nhi\u1ec1u trong \u0111\u1ec1 thi nh\u1eefng n\u0103m tr\u01b0\u1edbc.<\/li>\n
                      • Ph\u00e2n b\u1ed5 th\u1eddi gian h\u1ee3p l\u00fd: <\/strong>M\u1ed7i ng\u00e0y, d\u00e0nh 2-3 gi\u1edd \u0111\u1ec3 \u00f4n t\u1eadp, chia nh\u1ecf th\u00e0nh t\u1eebng chuy\u00ean \u0111\u1ec1. V\u00ed d\u1ee5: s\u00e1ng luy\u1ec7n h\u1ec7 ph\u01b0\u01a1ng tr\u00ecnh, chi\u1ec1u h\u1ecdc h\u00ecnh h\u1ecdc, t\u1ed1i l\u00e0m \u0111\u1ec1 thi m\u1eabu.<\/li>\n
                      • Theo d\u00f5i ti\u1ebfn \u0111\u1ed9: <\/strong>S\u1eed d\u1ee5ng b\u1ea3ng theo d\u00f5i \u0111\u1ec3 \u0111\u00e1nh d\u1ea5u nh\u1eefng n\u1ed9i dung \u0111\u00e3 h\u1ecdc v\u00e0 nh\u1eefng b\u00e0i t\u1eadp \u0111\u00e3 ho\u00e0n th\u00e0nh, t\u1eeb \u0111\u00f3 nh\u1eadn bi\u1ebft ph\u1ea7n ki\u1ebfn th\u1ee9c c\u00f2n y\u1ebfu.<\/li>\n<\/ul>\n

                        3.2 T\u00ecm ki\u1ebfm t\u00e0i li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng<\/strong><\/h3>\n
                          \n
                        • S\u00e1ch \u00f4n thi v\u00e0 \u0111\u1ec1 thi m\u1eabu: <\/strong>Ch\u1ecdn c\u00e1c \u0111\u1ea7u s\u00e1ch uy t\u00edn, c\u1eadp nh\u1eadt c\u1ea5u tr\u00fac \u0111\u1ec1 thi m\u1edbi nh\u1ea5t.<\/li>\n
                        • Ngu\u1ed3n t\u00e0i li\u1ec7u tr\u1ef1c tuy\u1ebfn: <\/strong>C\u00e1c website nh\u01b0 NaviEdu cung c\u1ea5p b\u00e0i gi\u1ea3ng, b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh v\u00e0 \u0111\u1ec1 thi m\u1eabu ch\u1ea5t l\u01b0\u1ee3ng. H\u1ecdc sinh c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng \u0111\u1ec3 \u00f4n t\u1eadp hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<\/ul>\n

                          3.3 T\u00edch c\u1ef1c luy\u1ec7n \u0111\u1ec1<\/strong><\/h3>\n
                            \n
                          • L\u00e0m quen v\u1edbi c\u1ea5u tr\u00fac \u0111\u1ec1 thi: <\/strong>H\u1ecdc sinh n\u00ean t\u1eadp trung luy\u1ec7n c\u00e1c \u0111\u1ec1 thi th\u1eed t\u1eeb c\u00e1c tr\u01b0\u1eddng, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ec1 thi ch\u00ednh th\u1ee9c t\u1eeb c\u00e1c n\u0103m tr\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y gi\u00fap quen thu\u1ed9c v\u1edbi c\u1ea5u tr\u00fac v\u00e0 d\u1ea1ng b\u00e0i.<\/li>\n
                          • R\u00e8n k\u1ef9 n\u0103ng gi\u1ea3i b\u00e0i nhanh: <\/strong>Th\u1ef1c hi\u1ec7n b\u00e0i t\u1eadp d\u01b0\u1edbi \u00e1p l\u1ef1c th\u1eddi gian th\u1ef1c \u0111\u1ec3 n\u00e2ng cao t\u1ed1c \u0111\u1ed9 l\u00e0m b\u00e0i. Luy\u1ec7n t\u1eadp c\u00e1ch tr\u00ecnh b\u00e0y b\u00e0i gi\u1ea3i r\u00f5 r\u00e0ng, logic, tr\u00e1nh m\u1ea5t \u0111i\u1ec3m v\u00ec tr\u00ecnh b\u00e0y s\u01a1 s\u00e0i.<\/li>\n
                          • Ph\u00e2n t\u00edch k\u1ebft qu\u1ea3: <\/strong>Sau khi l\u00e0m \u0111\u1ec1, ph\u00e2n t\u00edch k\u1ef9 c\u00e1c l\u1ed7i sai \u0111\u1ec3 r\u00fat kinh nghi\u1ec7m v\u00e0 kh\u00f4ng m\u1eafc ph\u1ea3i trong c\u00e1c b\u00e0i thi ch\u00ednh th\u1ee9c.<\/li>\n<\/ul>\n

                            \u0110\u1ec3 chu\u1ea9n b\u1ecb t\u1ed1t cho k\u1ef3 thi, h\u1ecdc sinh kh\u00f4ng n\u00ean ch\u1ec9 \u00f4n t\u1eadp b\u1eb1ng c\u00e1ch h\u1ecdc thu\u1ed9c l\u00f2ng m\u00e0 c\u1ea7n \u00e1p d\u1ee5ng t\u01b0 duy logic \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i to\u00e1n v\u1eadn d\u1ee5ng. \u0110\u1ed3ng th\u1eddi, h\u00e3y gi\u1eef t\u00e2m l\u00fd tho\u1ea3i m\u00e1i, kh\u00f4ng n\u00ean \u00f4n thi qu\u00e1 t\u1ea3i \u0111\u1ec3 tr\u00e1nh c\u0103ng th\u1eb3ng v\u00e0 m\u1ea5t t\u1eadp trung trong k\u1ef3 thi.<\/p>\n

                            4. S\u1eed d\u1ee5ng gi\u1ea3i ph\u00e1p h\u1ecdc t\u1eadp t\u1eeb NaviEdu \u0111\u1ec3 chinh ph\u1ee5c To\u00e1n l\u1edbp 9<\/strong><\/h2>\n

                            NaviEdu l\u00e0 n\u1ec1n t\u1ea3ng h\u1ecdc t\u1eadp ti\u00ean ti\u1ebfn, mang \u0111\u1ebfn c\u00e1c gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u \u0111\u1ec3 h\u1ed7 tr\u1ee3 h\u1ecdc sinh l\u1edbp 9 chu\u1ea9n b\u1ecb t\u1ed1t nh\u1ea5t cho k\u1ef3 thi v\u00e0o l\u1edbp 10. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng t\u00ednh n\u0103ng n\u1ed5i b\u1eadt gi\u00fap h\u1ecdc sinh n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c v\u00e0 t\u1ef1 tin l\u00e0m b\u00e0i thi:<\/p>\n

                            4.1 H\u1ec7 th\u1ed1ng b\u00e0i gi\u1ea3ng th\u00f4ng minh<\/strong><\/h3>\n
                              \n
                            • N\u1ed9i dung b\u00e1m s\u00e1t \u0111\u1ec1 thi: <\/strong>C\u00e1c b\u00e0i gi\u1ea3ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean c\u1ea5u tr\u00fac \u0111\u1ec1 thi v\u00e0o l\u1edbp 10, t\u1eadp trung v\u00e0o c\u00e1c chuy\u00ean \u0111\u1ec1 tr\u1ecdng t\u00e2m nh\u01b0 ph\u01b0\u01a1ng tr\u00ecnh, b\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh, v\u00e0 h\u00ecnh h\u1ecdc kh\u00f4ng gian.<\/li>\n
                            • Kho h\u1ecdc li\u1ec7u chi ti\u1ebft: <\/strong>M\u1ed7i d\u1ea1ng b\u00e0i \u0111\u01b0\u1ee3c cung c\u1ea5p n\u1ed9i dung l\u00fd thuy\u1ebft chi ti\u1ebft, d\u1ec5 hi\u1ec3u, gi\u00fap h\u1ecdc sinh n\u1eafm v\u1eefng l\u00fd thuy\u1ebft v\u00e0 c\u00e1ch gi\u1ea3i b\u00e0i. Nh\u1eefng v\u00ed d\u1ee5 minh h\u1ecda th\u1ef1c t\u1ebf \u0111\u01b0\u1ee3c l\u1ed3ng gh\u00e9p gi\u00fap h\u1ecdc sinh hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 c\u00e1ch \u00e1p d\u1ee5ng ki\u1ebfn th\u1ee9c v\u00e0o b\u00e0i to\u00e1n.<\/li>\n<\/ul>\n

                              4.2 B\u00e0i t\u1eadp th\u1ef1c h\u00e0nh v\u00e0 ki\u1ec3m tra \u0111\u00e1nh gi\u00e1<\/strong><\/h3>\n
                                \n
                              • B\u00e0i t\u1eadp \u0111a d\u1ea1ng: <\/strong>NaviEdu cung c\u1ea5p kho b\u00e0i t\u1eadp t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao, bao g\u1ed3m c\u1ea3 nh\u1eefng d\u1ea1ng b\u00e0i kh\u00f3 th\u01b0\u1eddng g\u1eb7p trong \u0111\u1ec1 thi ch\u00ednh th\u1ee9c.<\/li>\n
                              • Ki\u1ec3m tra v\u00e0 b\u00e1o c\u00e1o ti\u1ebfn \u0111\u1ed9: <\/strong>H\u1ecdc sinh c\u00f3 th\u1ec3 l\u00e0m c\u00e1c b\u00e0i ki\u1ec3m tra nh\u1ecf \u0111\u1ec3 t\u1ef1 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng. H\u1ec7 th\u1ed1ng b\u00e1o c\u00e1o chi ti\u1ebft gi\u00fap ph\u00e1t hi\u1ec7n nh\u1eefng ph\u1ea7n ki\u1ebfn th\u1ee9c c\u00f2n y\u1ebfu, t\u1eeb \u0111\u00f3 t\u1eadp trung \u00f4n luy\u1ec7n hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<\/ul>\n

                                4.3 C\u00e1 nh\u00e2n h\u00f3a l\u1ed9 tr\u00ecnh h\u1ecdc t\u1eadp<\/strong><\/h3>\n
                                  \n
                                • Adaptive Learning hi\u1ec7n \u0111\u1ea1i: <\/strong>C\u00f4ng ngh\u1ec7 h\u1ecdc t\u1eadp th\u00edch \u1ee9ng c\u1ee7a NaviEdu gi\u00fap x\u00e2y d\u1ef1ng l\u1ed9 tr\u00ecnh h\u1ecdc c\u00e1 nh\u00e2n h\u00f3a, ph\u00f9 h\u1ee3p v\u1edbi n\u0103ng l\u1ef1c v\u00e0 t\u1ed1c \u0111\u1ed9 h\u1ecdc c\u1ee7a t\u1eebng h\u1ecdc sinh.<\/li>\n
                                • T\u1ed1i \u01b0u h\u00f3a th\u1eddi gian: <\/strong>NaviEdu \u0111\u1ecbnh h\u01b0\u1edbng r\u00f5 r\u00e0ng, gi\u00fap h\u1ecdc sinh ti\u1ebft ki\u1ec7m th\u1eddi gian \u00f4n t\u1eadp b\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o nh\u1eefng ph\u1ea7n ki\u1ebfn th\u1ee9c quan tr\u1ecdng v\u00e0 c\u1ea7n c\u1ea3i thi\u1ec7n nh\u1ea5t.<\/li>\n<\/ul>\n

                                  V\u1edbi h\u1ec7 th\u1ed1ng h\u1ecdc t\u1eadp th\u00f4ng minh v\u00e0 c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn, NaviEdu kh\u00f4ng ch\u1ec9 gi\u00fap h\u1ecdc sinh n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c m\u00e0 c\u00f2n r\u00e8n luy\u1ec7n t\u01b0 duy logic v\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1. \u0110\u00e2y l\u00e0 ng\u01b0\u1eddi b\u1ea1n \u0111\u1ed3ng h\u00e0nh \u0111\u00e1ng tin c\u1eady, gi\u00fap c\u00e1c em t\u1ef1 tin chinh ph\u1ee5c k\u1ef3 thi v\u00e0o l\u1edbp 10 m\u1ed9t c\u00e1ch xu\u1ea5t s\u1eafc.<\/p>\n

                                  To\u00e1n l\u1edbp 9 \u0111\u00f3ng vai tr\u00f2 n\u1ec1n t\u1ea3ng quan tr\u1ecdng trong h\u00e0nh tr\u00ecnh chinh ph\u1ee5c k\u1ef3 thi v\u00e0o l\u1edbp 10, kh\u00f4ng ch\u1ec9 gi\u00fap h\u1ecdc sinh n\u1eafm ch\u1eafc ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n m\u00e0 c\u00f2n ph\u00e1t tri\u1ec3n t\u01b0 duy logic v\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1. \u0110\u1ec3 \u0111\u1ea1t k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t, ph\u1ee5 huynh v\u00e0 h\u1ecdc sinh n\u00ean k\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc t\u1eadp khoa h\u1ecdc v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 hi\u1ec7n \u0111\u1ea1i. M\u1ed9t l\u1ed9 tr\u00ecnh \u00f4n t\u1eadp ph\u00f9 h\u1ee3p s\u1ebd l\u00e0 ch\u00eca kh\u00f3a gi\u00fap h\u1ecdc sinh v\u01b0\u1ee3t qua k\u1ef3 thi m\u1ed9t c\u00e1ch t\u1ef1 tin v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n","protected":false},"excerpt":{"rendered":"

                                  K\u1ef3 thi v\u00e0o l\u1edbp 10 l\u00e0 c\u1ed9t m\u1ed1c quan tr\u1ecdng \u0111\u1ed1i v\u1edbi h\u1ecdc sinh l\u1edbp 9, trong \u0111\u00f3 ki\u1ebfn th\u1ee9c To\u00e1n l\u1edbp 9 \u0111\u00f3ng vai tr\u00f2 c\u1ed1t l\u00f5i quy\u1ebft \u0111\u1ecbnh k\u1ebft qu\u1ea3. V\u1edbi s\u1ef1 \u0111a d\u1ea1ng c\u00e1c chuy\u00ean \u0111\u1ec1 To\u00e1n 9, vi\u1ec7c n\u1eafm v\u1eefng n\u1ed9i dung tr\u1ecdng t\u00e2m kh\u00f4ng ch\u1ec9 gi\u00fap h\u1ecdc sinh t\u1ef1 tin…<\/p>\n","protected":false},"author":2,"featured_media":951,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[6],"tags":[24,15],"_links":{"self":[{"href":"https:\/\/navi.edu.vn\/blog\/wp-json\/wp\/v2\/posts\/949"}],"collection":[{"href":"https:\/\/navi.edu.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/navi.edu.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/navi.edu.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/navi.edu.vn\/blog\/wp-json\/wp\/v2\/comments?post=949"}],"version-history":[{"count":3,"href":"https:\/\/navi.edu.vn\/blog\/wp-json\/wp\/v2\/posts\/949\/revisions"}],"predecessor-version":[{"id":954,"href":"https:\/\/navi.edu.vn\/blog\/wp-json\/wp\/v2\/posts\/949\/revisions\/954"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/navi.edu.vn\/blog\/wp-json\/wp\/v2\/media\/951"}],"wp:attachment":[{"href":"https:\/\/navi.edu.vn\/blog\/wp-json\/wp\/v2\/media?parent=949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/navi.edu.vn\/blog\/wp-json\/wp\/v2\/categories?post=949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/navi.edu.vn\/blog\/wp-json\/wp\/v2\/tags?post=949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}