{"id":40733,"date":"2025-08-08T16:45:24","date_gmt":"2025-08-08T09:45:24","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=40733"},"modified":"2025-08-09T05:07:58","modified_gmt":"2025-08-08T22:07:58","slug":"phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/","title":{"rendered":"Ph\u00e9p tr\u1eeb c\u00f3 nh\u1edb trong ph\u1ea1m vi 1000: L\u00fd thuy\u1ebft &amp; B\u00e0i t\u1eadp!"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Kien_thuc_ve_phuong_thuoc_voi_bo_nho_trong_vong_1000_de_lam_chu\" >Ki\u1ebfn th\u1ee9c v\u1ec1 ph\u01b0\u01a1ng thu\u1ed1c v\u1edbi b\u1ed9 nh\u1edb trong v\u00f2ng 1000 \u0111\u1ec3 l\u00e0m ch\u1ee7<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Cac_loai_bai_tap_loai_tru_trong_vong_1000_la_bo_nho_pho_bien\" >C\u00e1c lo\u1ea1i b\u00e0i t\u1eadp lo\u1ea1i tr\u1eeb trong v\u00f2ng 1000 l\u00e0 b\u1ed9 nh\u1edb ph\u1ed5 bi\u1ebfn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Mau_1_Dat_tinh_toan_va_tinh_toan\" >M\u1eabu 1: \u0110\u1eb7t t\u00ednh to\u00e1n v\u00e0 t\u00ednh to\u00e1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Mau_2_Van_de_co_tu\" >M\u1eabu 2: V\u1ea5n \u0111\u1ec1 c\u00f3 t\u1eeb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Mau_3_Thuc_hien_cac_tinh_toan_tru_bo_nho_trong_vong_1000_va_so_sanh\" >M\u1eabu 3: Th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n tr\u1eeb b\u1ed9 nh\u1edb trong v\u00f2ng 1000 v\u00e0 so s\u00e1nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Mau_4_Hoan_thanh_so_luong_so_dong_deu\" >M\u1eabu 4: Ho\u00e0n th\u00e0nh s\u1ed1 l\u01b0\u1ee3ng s\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Mau_5_Tim_sai_lam_va_tinh_toan_chinh_xac\" >M\u1eabu 5: T\u00ecm sai l\u1ea7m v\u00e0 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Mot_so_bai_tap_khau_tru_duoc_ghi_nho_trong_vong_1000_de_em_be_se_thuc_hanh\" >M\u1ed9t s\u1ed1 b\u00e0i t\u1eadp kh\u1ea5u tr\u1eeb \u0111\u01b0\u1ee3c ghi nh\u1edb trong v\u00f2ng 1000 \u0111\u1ec3 em b\u00e9 s\u1ebd th\u1ef1c h\u00e0nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Kho_khan_khi_tre_hoc_toan_trong_vong_1000_hay_nho\" >Kh\u00f3 kh\u0103n khi tr\u1ebb h\u1ecdc to\u00e1n trong v\u00f2ng 1000, h\u00e3y nh\u1edb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Bi_quyet_de_giup_tre_hoc_cach_ghi_nho_trong_vong_1000_hieu_qua\" >B\u00ed quy\u1ebft \u0111\u1ec3 gi\u00fap tr\u1ebb h\u1ecdc c\u00e1ch ghi nh\u1edb trong v\u00f2ng 1000 hi\u1ec7u qu\u1ea3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Xay_dung_mot_nen_tang_toan_hoc_cho_tre_em_tu_khi_con_nho_voi_toan_hoc\" >X\u00e2y d\u1ef1ng m\u1ed9t n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc cho tr\u1ebb em t\u1eeb khi c\u00f2n nh\u1ecf v\u1edbi to\u00e1n h\u1ecdc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Giup_tre_hieu_cac_quy_tac_ban_chat_cua_bo_nho_loai_bo\" >Gi\u00fap tr\u1ebb hi\u1ec3u c\u00e1c quy t\u1eafc, b\u1ea3n ch\u1ea5t c\u1ee7a b\u1ed9 nh\u1edb lo\u1ea1i b\u1ecf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Hoc_cach_loai_tru_toan_hoc_co_co_ban_de_nang_cao\" >H\u1ecdc c\u00e1ch lo\u1ea1i tr\u1eeb to\u00e1n h\u1ecdc c\u00f3 c\u01a1 b\u1ea3n \u0111\u1ec3 n\u00e2ng cao<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Thuc_hanh_em_be_cua_ban_thuong_xuyen\" >Th\u1ef1c h\u00e0nh em b\u00e9 c\u1ee7a b\u1ea1n th\u01b0\u1eddng xuy\u00ean<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Thuc_hanh_ky_nang_doc_ky_truoc_khi_giai_tap_cac_bai_tap\" >Th\u1ef1c h\u00e0nh k\u1ef9 n\u0103ng \u0111\u1ecdc k\u1ef9 tr\u01b0\u1edbc khi gi\u1ea3i t\u1eadp c\u00e1c b\u00e0i t\u1eadp<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ckconitsha.com\/vn\/phep-tru-co-nho-trong-pham-vi-1000-ly-thuyet-bai-tap\/#Mot_so_ghi_chu_Khi_cha_me_day_con_hoc_toan\" >M\u1ed9t s\u1ed1 ghi ch\u00fa Khi cha m\u1eb9 d\u1ea1y con h\u1ecdc to\u00e1n<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>H\u00e3y nh\u1edb trong v\u00f2ng 1000 l\u00e0 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 to\u00e1n h\u1ecdc c\u1ea5p 2. B\u1edfi v\u00ec s\u1ed1 l\u01b0\u1ee3ng qu\u00e1 l\u1edbn, trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n, em b\u00e9 d\u1ec5 d\u00e0ng sai. Do \u0111\u00f3, \u0111\u1ec3 gi\u00fap em b\u00e9 c\u1ee7a b\u1ea1n hi\u1ec3u v\u00e0 chinh ph\u1ee5c ki\u1ebfn th\u1ee9c n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, cha m\u1eb9, h\u00e3y \u0111\u1ec3 Kh\u1ec9 ph\u00e1t hi\u1ec7n ra nh\u1eefng b\u00ed m\u1eadt \u0111\u01b0\u1ee3c chia s\u1ebb trong th\u1eddi gian ng\u1eafn.<\/p>\n<p>                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/image\/600x480_(1).png\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Kien_thuc_ve_phuong_thuoc_voi_bo_nho_trong_vong_1000_de_lam_chu\"><\/span>Ki\u1ebfn th\u1ee9c v\u1ec1 ph\u01b0\u01a1ng thu\u1ed1c v\u1edbi b\u1ed9 nh\u1edb trong v\u00f2ng 1000 \u0111\u1ec3 l\u00e0m ch\u1ee7<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ki\u1ebfn th\u1ee9c v\u1ec1 vi\u1ec7c lo\u1ea1i b\u1ecf v\u1edbi b\u1ed9 nh\u1edb trong v\u00f2ng 1000 m\u00e0 h\u1ecdc sinh ti\u1ec3u h\u1ecdc c\u1ea7n th\u00e0nh th\u1ea1o:<\/p>\n<ul>\n<li>Kh\u00e1i ni\u1ec7m tr\u1eeb c\u00f3 b\u1ed9 nh\u1edb: H\u00e3y nh\u1edb r\u1eb1ng s\u1ef1 t\u01b0\u1edfng nh\u1edb x\u1ea3y ra khi s\u1ed1 l\u01b0\u1ee3ng c\u00e1c kho\u1ea3n kh\u1ea5u tr\u1eeb nh\u1ecf h\u01a1n s\u1ed1 \u0111\u01b0\u1ee3c kh\u1ea5u tr\u1eeb trong m\u1ed9t h\u00e0ng, ph\u1ea3i &#8220;m\u01b0\u1ee3n&#8221; m\u1ed9t \u0111\u01a1n v\u1ecb t\u1eeb h\u00e0ng b\u00ean tr\u00e1i.<\/li>\n<li>C\u1ea5u tr\u00fac k\u1ef9 thu\u1eadt s\u1ed1 v\u1edbi ba ch\u1eef s\u1ed1: Hi\u1ec3u s\u1ed1 3 s\u1ed1 bao g\u1ed3m h\u00e0ng tr\u0103m, h\u00e0ng ch\u1ee5c v\u00e0 \u0111\u01a1n v\u1ecb.<\/li>\n<li>K\u1ef9 n\u0103ng th\u1ef1c hi\u1ec7n ph\u00e9p tr\u1eeb v\u1edbi c\u00e1c c\u1ed9t d\u1ecdc:\n<ul>\n<li>Vi\u1ebft ph\u00e9p tr\u1eeb trong c\u1ed9t d\u1ecdc, theo d\u00f2ng, h\u00e0ng ch\u1ee5c v\u00e0 h\u00e0ng tr\u0103m.<\/li>\n<li>Th\u1ef1c hi\u1ec7n t\u1eeb ph\u1ea3i sang tr\u00e1i: \u0110\u01a1n v\u1ecb \u2192 H\u00e0ng ch\u1ee5c \u2192 tr\u0103m.<\/li>\n<li>N\u1ebfu s\u1ed1 tr\u1eeb l\u1edbn h\u01a1n s\u1ed1 \u0111\u01b0\u1ee3c kh\u1ea5u tr\u1eeb trong 1 h\u00e0ng, h\u00e3y nh\u1edb (m\u01b0\u1ee3n) 1 \u0111\u01a1n v\u1ecb t\u1eeb d\u00f2ng b\u00ean tr\u00e1i.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_loai_bai_tap_loai_tru_trong_vong_1000_la_bo_nho_pho_bien\"><\/span>C\u00e1c lo\u1ea1i b\u00e0i t\u1eadp lo\u1ea1i tr\u1eeb trong v\u00f2ng 1000 l\u00e0 b\u1ed9 nh\u1edb ph\u1ed5 bi\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ed1i v\u1edbi h\u00ecnh th\u1ee9c to\u00e1n h\u1ecdc th\u1ef1c hi\u1ec7n b\u1ed9 nh\u1edb trong ph\u1ea1m vi 1000 c\u0169ng s\u1ebd c\u00f3 c\u00e1c lo\u1ea1i b\u00e0i t\u1eadp ph\u1ed5 bi\u1ebfn sau:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_1_Dat_tinh_toan_va_tinh_toan\"><\/span>M\u1eabu 1: \u0110\u1eb7t t\u00ednh to\u00e1n v\u00e0 t\u00ednh to\u00e1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i quy\u1ebft: \u0110\u1eb7t t\u00ednh to\u00e1n th\u1eb3ng \u0111\u1ee9ng v\u1edbi c\u00e1c s\u1ed1 trong c\u00f9ng m\u1ed9t d\u00f2ng c\u00f9ng nhau, h\u00e0ng tr\u0103m h\u00e0ng tr\u0103m, h\u00e0ng ch\u1ee5c h\u00e0ng ch\u1ee5c h\u00e0ng ch\u1ee5c v\u00e0 h\u00e0ng \u0111\u01a1n v\u1ecb. Sau \u0111\u00f3, ngo\u1ea1i tr\u1eeb vi\u1ec7c t\u00ednh to\u00e1n t\u1eeb ph\u1ea3i sang tr\u00e1i. L\u01b0u \u00fd r\u1eb1ng &#8220;h\u00e3y nh\u1edb&#8221; tr\u00ean ch\u1eef s\u1ed1 \u1edf \u0111i\u1ec3m tr\u1eeb \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn khi th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5:<\/em><\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/phep-tru-co-nho-pham-vi-1000-5.jpg\" alt=\"\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_2_Van_de_co_tu\"><\/span>M\u1eabu 2: V\u1ea5n \u0111\u1ec1 c\u00f3 t\u1eeb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i ph\u00e1p: \u0110\u1ecdc v\u00e0 ph\u00e2n t\u00edch c\u1ea9n th\u1eadn v\u1ea5n \u0111\u1ec1, xem d\u1eef li\u1ec7u n\u00e0o \u0111\u01b0\u1ee3c \u0111\u01b0a ra tr\u01b0\u1edbc, \u0111\u00f2i h\u1ecfi ph\u1ea3i t\u00ednh to\u00e1n nh\u1eefng g\u00ec \u0111\u1ec3 t\u00ecm m\u1ed9t gi\u1ea3i ph\u00e1p ch\u00ednh x\u00e1c. Sau \u0111\u00f3 tr\u00ecnh b\u00e0y gi\u1ea3i ph\u00e1p v\u1edbi t\u00ednh to\u00e1n v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi r\u1ea5t r\u00f5 r\u00e0ng v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: Gia \u0111\u00ecnh c\u1ee7a \u00f4ng Tu c\u00f3 m\u1ed9t khu v\u01b0\u1eddn \u1ed5i l\u1edbn, n\u0103m nay \u0111\u00e3 thu ho\u1ea1ch 739 kg, bao g\u1ed3m 238 kg \u1ed5i, ph\u1ea7n c\u00f2n l\u1ea1i l\u00e0 Queen Guava. H\u1ecfi c\u00f3 bao nhi\u00eau kg gia \u0111\u00ecnh Queen Queen c\u1ee7a N\u1eef ho\u00e0ng?<\/em><\/p>\n<p dir=\"ltr\"><em>Gi\u1ea3i ph\u00e1p:<\/em><\/p>\n<p dir=\"ltr\"><em>S\u1ed1 l\u01b0\u1ee3ng kil\u00f4gam c\u1ee7a Queen Queen = s\u1ed1 kg gia \u0111\u00ecnh c\u1ee7a \u00f4ng Tu \u0111\u01b0\u1ee3c thu ho\u1ea1ch &#8211; s\u1ed1 l\u01b0\u1ee3ng kg \u1ed5i.<\/em><\/p>\n<p dir=\"ltr\"><em>Gi\u1ea3i ph\u00e1p chi ti\u1ebft:<\/em><\/p>\n<p dir=\"ltr\"><em>Gia \u0111\u00ecnh c\u1ee7a \u00f4ng Tu \u0111\u00e3 thu ho\u1ea1ch s\u1ed1 l\u01b0\u1ee3ng km c\u1ee7a n\u1eef ho\u00e0ng:<\/em><\/p>\n<p dir=\"ltr\"><em>739 &#8211; 238 = 501 (kg)<\/em><\/p>\n<p dir=\"ltr\"><em>Tr\u1ea3 l\u1eddi: 501 kg<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_3_Thuc_hien_cac_tinh_toan_tru_bo_nho_trong_vong_1000_va_so_sanh\"><\/span>M\u1eabu 3: Th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n tr\u1eeb b\u1ed9 nh\u1edb trong v\u00f2ng 1000 v\u00e0 so s\u00e1nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Gi\u1ea3i ph\u00e1p: Ch\u00fang t\u00f4i c\u0169ng s\u1ebd th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n \u1edf hai b\u00ean v\u00e0 sau \u0111\u00f3 so s\u00e1nh s\u1ed1 n\u00e0o l\u1edbn h\u01a1n, nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng, \u0111\u1ec3 \u0111i\u1ec1n v\u00e0o d\u1ea5u ch\u00ednh x\u00e1c.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: Nh\u1eadp con d\u1ea5u&gt;, &lt;, = trong d\u1ea5u ch\u1ea5m<\/em><\/p>\n<p dir=\"ltr\"><em>A) 829 &#8211; 182&gt; 813 &#8211; 289<\/em><\/p>\n<p dir=\"ltr\"><em>b) 913 &#8211; 679 &lt;891 &#8211; 399<\/em><\/p>\n<p dir=\"ltr\"><em>c) 719 &#8211; 81&gt; 591 &#8211; 67<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_4_Hoan_thanh_so_luong_so_dong_deu\"><\/span>M\u1eabu 4: Ho\u00e0n th\u00e0nh s\u1ed1 l\u01b0\u1ee3ng s\u1ed1 \u0111\u1ed3ng \u0111\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Gi\u1ea3i ph\u00e1p: Ch\u00fang t\u00f4i s\u1ebd chuy\u00ean nghi\u1ec7p bao nhi\u00eau \u0111\u01a1n v\u1ecb<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: \u0110i\u1ec1n v\u00e0o s\u1ed1 th\u00edch h\u1ee3p trong d\u1ea5u ch\u1ea5m<\/em><\/p>\n<p dir=\"ltr\"><em>390; 375; &#8230;; 345; &#8230;; &#8230;; 300.<\/em><\/p>\n<p dir=\"ltr\"><em>Ph\u1ea7n th\u01b0\u1edfng:<\/em><\/p>\n<p dir=\"ltr\"><em>Ch\u00fang ta th\u1ea5y: 390 &#8211; 375 = 15 V\u00ec v\u1eady, chu\u1ed7i n\u00e0y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t chu\u1ed7i gi\u1ea3m c\u1ee7a 15 \u0111\u01a1n v\u1ecb, s\u1ed1 sau \u0111\u00e2y nh\u1ecf h\u01a1n s\u1ed1 l\u01b0\u1ee3ng tr\u01b0\u1edbc \u0111\u00f3 c\u1ee7a 15 \u0111\u01a1n v\u1ecb, s\u1ed1 tr\u01b0\u1edbc \u0111\u00f3 l\u1edbn h\u01a1n s\u1ed1 sau 15 \u0111\u01a1n v\u1ecb. V\u00ec v\u1eady, c\u00e1c d\u1ea5u ch\u1ea5m ch\u00fang t\u00f4i s\u1ebd \u0111i\u1ec1n nh\u01b0 sau:<\/em><\/p>\n<p dir=\"ltr\"><em>390; 375; 360; 345; 330; 315; 300.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_5_Tim_sai_lam_va_tinh_toan_chinh_xac\"><\/span>M\u1eabu 5: T\u00ecm sai l\u1ea7m v\u00e0 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Gi\u1ea3i ph\u00e1p: Ch\u00fang t\u00f4i s\u1ebd x\u00e1c \u0111\u1ecbnh l\u1ed7i trong t\u00ednh to\u00e1n th\u00f4ng qua t\u00ednh to\u00e1n, ki\u1ec3m tra k\u1ebft qu\u1ea3 c\u1ee7a ph\u00e9p t\u00ednh ho\u1eb7c v\u1ecb tr\u00ed sai, t\u00ednh to\u00e1n sai. Sau khi x\u00e1c \u0111\u1ecbnh l\u1ed7i, l\u1ed7i s\u1ebd s\u1eeda l\u1ed7i.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/phep-tru-co-nho-pham-vi-1000-6.jpg\" alt=\"\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_bai_tap_khau_tru_duoc_ghi_nho_trong_vong_1000_de_em_be_se_thuc_hanh\"><\/span>M\u1ed9t s\u1ed1 b\u00e0i t\u1eadp kh\u1ea5u tr\u1eeb \u0111\u01b0\u1ee3c ghi nh\u1edb trong v\u00f2ng 1000 \u0111\u1ec3 em b\u00e9 s\u1ebd th\u1ef1c h\u00e0nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y kh\u1ec9 s\u1ebd t\u00f3m t\u1eaft m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp li\u00ean quan \u0111\u1ebfn ph\u00e9p tr\u1eeb v\u1edbi b\u1ed9 nh\u1edb c\u1ee7a L\u1edbp 2 trong s\u1ed1 1000 \u0111\u1ec3 ch\u00fang c\u00f3 th\u1ec3 th\u1ef1c h\u00e0nh:<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/phep-tru-co-nho-pham-vi-1000-7.jpg\" alt=\"(Ngu\u1ed3n: T\u00f3m t\u1eaft)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Kho_khan_khi_tre_hoc_toan_trong_vong_1000_hay_nho\"><\/span>Kh\u00f3 kh\u0103n khi tr\u1ebb h\u1ecdc to\u00e1n trong v\u00f2ng 1000, h\u00e3y nh\u1edb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau khi hi\u1ec3u kh\u00e1i ni\u1ec7m tr\u1eeb, ch\u00fang ta bi\u1ebft s\u1ebd c\u00f3 hai h\u00ecnh th\u1ee9c tr\u1eeb v\u1edbi b\u1ed9 nh\u1edb v\u00e0 tr\u1eeb t\u00e0 m\u00e0 kh\u00f4ng c\u1ea7n nh\u1edb. C\u1ee5 th\u1ec3, suy lu\u1eadn b\u1ed9 nh\u1edb l\u00e0 m\u1ed9t ki\u1ebfn th\u1ee9c n\u00e2ng cao h\u01a1n l\u00e0 kh\u00f4ng nh\u1edb. C\u1ee5 th\u1ec3, vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n trong v\u00f2ng 1000 c\u0169ng s\u1ebd khi\u1ebfn nhi\u1ec1u tr\u1ebb em tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n. B\u1edfi v\u00ec:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1ed1 l\u01b0\u1ee3ng l\u1edbn: Tr\u1ebb em s\u1ebd h\u1ecdc ki\u1ebfn th\u1ee9c v\u1edbi tr\u00ed nh\u1edb c\u1ee7a to\u00e1n h\u1ecdc l\u1edbp 2, v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn l\u00ean t\u1edbi 1000 v\u00ec v\u1eady s\u1ed1 t\u00ednh to\u00e1n s\u1ebd nhi\u1ec1u h\u01a1n, v\u00ec v\u1eady khi th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n d\u1ec5 b\u1ecb l\u1ed7i.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u1ea3 n\u0103ng suy ngh\u0129 h\u1ea1n ch\u1ebf: Khi th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng thu\u1ed1c v\u1edbi b\u1ed9 nh\u1edb v\u1edbi c\u00e1c lo\u1ea1i b\u00e0i t\u1eadp v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p, b\u1edfi v\u00ec kh\u1ea3 n\u0103ng ngh\u0129 r\u1eb1ng nhi\u1ec1u tr\u1ebb em b\u1ecb h\u1ea1n ch\u1ebf, r\u1ea5t kh\u00f3 \u0111\u1ec3 \u0111\u01b0\u1ee3c ph\u00e9p t\u00ednh to\u00e1n v\u00e0 th\u1ef1c hi\u1ec7n ch\u00ednh x\u00e1c.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Tr\u1ebb s\u01a1 sinh kh\u00f4ng hi\u1ec3u c\u00e1c quy t\u1eafc t\u00ednh to\u00e1n, b\u1ed9 nh\u1edb: <em>Khi trong c\u00f9ng m\u1ed9t h\u00e0ng trong \u0111\u00f3 s\u1ed1 l\u01b0\u1ee3ng c\u00e1c kho\u1ea3n kh\u1ea5u tr\u1eeb nh\u1ecf h\u01a1n ph\u00e9p tr\u1eeb, ch\u00fang t\u00f4i ph\u1ea3i m\u01b0\u1ee3n 1 trong h\u00e0ng ti\u1ebfp theo \u0111\u1ec3 tr\u1eeb. \u0110\u1ed5i l\u1ea1i, khi ti\u1ebfp c\u1eadn \u0111\u01a1n v\u1ecb ti\u1ebfp theo, ch\u00fang t\u00f4i th\u00eam 1 trong s\u1ed1 tr\u1eeb trong h\u00e0ng sau.<\/em>Tuy nhi\u00ean, nhi\u1ec1u em b\u00e9 \u0111\u00e3 kh\u00f4ng n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c quy t\u1eafc n\u00e0y, v\u00ec v\u1eady ch\u00fang th\u01b0\u1eddng tu\u00e2n theo s\u1ef1 lo\u1ea1i b\u1ecf m\u00e0 kh\u00f4ng c\u1ea7n nh\u1edb.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00e1c b\u00e0i t\u1eadp \u0111a d\u1ea1ng: V\u1edbi ki\u1ebfn th\u1ee9c t\u1eeb L\u1edbp 2 v\u1ec1 ph\u00e9p tr\u1eeb, s\u1ebd c\u00f3 nhi\u1ec1u lo\u1ea1i b\u00e0i t\u1eadp kh\u00e1c nhau t\u1eeb t\u00ednh to\u00e1n, t\u00ednh to\u00e1n v\u00e0 t\u00ednh to\u00e1n, so s\u00e1nh, &#8230; r\u1ea5t nhi\u1ec1u em b\u00e9 s\u1ebd g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i t\u1eadp n\u1ebfu ch\u00fang kh\u00f4ng hi\u1ec3u b\u00e0i h\u1ecdc.<\/p>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/phep-tru-co-nho-pham-vi-1000-1.jpg\" alt=\"Khi th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n ngo\u1ea1i tr\u1eeb, s\u1ebd kh\u00f3 lo\u1ea1i b\u1ecf kh\u00f4ng nh\u1edb h\u01a1n. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bi_quyet_de_giup_tre_hoc_cach_ghi_nho_trong_vong_1000_hieu_qua\"><\/span>B\u00ed quy\u1ebft \u0111\u1ec3 gi\u00fap tr\u1ebb h\u1ecdc c\u00e1ch ghi nh\u1edb trong v\u00f2ng 1000 hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 gi\u00fap tr\u1ebb h\u1ecdc, h\u00e3y nh\u1edb v\u00e0 gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp to\u00e1n ngo\u1ea1i tr\u1eeb b\u1ed9 nh\u1edb trong 1000 hi\u1ec7u \u1ee9ng, ph\u1ee5 huynh c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ngay c\u00e1c m\u1eb9o sau:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Xay_dung_mot_nen_tang_toan_hoc_cho_tre_em_tu_khi_con_nho_voi_toan_hoc\"><\/span>X\u00e2y d\u1ef1ng m\u1ed9t n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc cho tr\u1ebb em t\u1eeb khi c\u00f2n nh\u1ecf v\u1edbi to\u00e1n h\u1ecdc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Tr\u00ean th\u1ef1c t\u1ebf, vi\u1ec7c t\u00ednh to\u00e1n ngo\u1ea1i tr\u1eeb b\u1ed9 nh\u1edb l\u00e0 m\u1ed9t ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n m\u00e0 n\u1ebfu \u0111\u1ee9a tr\u1ebb kh\u00f4ng th\u00e0nh th\u1ea1o, khi vi\u1ec7c gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i t\u1eadp n\u00e2ng cao h\u01a1n s\u1ebd kh\u00f3 c\u00f3 hi\u1ec7u qu\u1ea3. Do \u0111\u00f3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 t\u1ea1o ra m\u1ed9t em b\u00e9 v\u1eefng ch\u1eafc s\u1edbm.<\/p>\n<p dir=\"ltr\">Ngo\u00e0i vi\u1ec7c h\u1ecdc t\u1eadp trong l\u1edbp, n\u1ebfu ph\u1ee5 huynh kh\u00f4ng c\u00f3 nhi\u1ec1u th\u1eddi gian \u0111\u1ec3 h\u1ecdc v\u1edbi tr\u1ebb, ch\u00fang c\u00f3 th\u1ec3 ngay l\u1eadp t\u1ee9c \u0111\u1ec1 c\u1eadp \u0111\u1ebfn to\u00e1n kh\u1ec9. \u0110\u00e2y l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng cho t\u01b0 duy ti\u1ebfng Anh tr\u1ef1c tuy\u1ebfn cho tr\u1ebb m\u1eabu gi\u00e1o v\u00e0 h\u1ecdc sinh ti\u1ec3u h\u1ecdc do Kh\u1ec9 ph\u00e1t tri\u1ec3n, \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t n\u1ec1n t\u1ea3ng to\u00e1n h\u1ecdc v\u00e0 ph\u00e1t tri\u1ec3n t\u01b0 duy cho tr\u1ebb em trong th\u1eddi k\u1ef3 v\u00e0ng 3 &#8211; 8 tu\u1ed5i.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/phep-tru-co-nho-pham-vi-1000-2.jpg\" alt=\"H\u1ecdc to\u00e1n th\u00fa v\u1ecb v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9. (\u1ea2nh: Kh\u1ec9)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">\u0110i\u1ec3m th\u00fa v\u1ecb khi tr\u1ebb h\u1ecdc to\u00e1n v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9 l\u00e0 h\u1ecdc qua video, ho\u1ea1t h\u00ecnh h\u00e0i h\u01b0\u1edbc v\u00e0 tr\u00f2 ch\u01a1i t\u01b0\u01a1ng t\u00e1c thay v\u00ec ch\u1ec9 h\u1ecdc tr\u00ean s\u00e1ch. C\u1ee5 th\u1ec3, \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi h\u01a1n 400 b\u00e0i h\u1ecdc video d\u1ef1a tr\u00ean h\u01a1n 60 ch\u1ee7 \u0111\u1ec1 c\u1ee7a 7 v\u1ea5n \u0111\u1ec1 to\u00e1n h\u1ecdc l\u1edbn nh\u01b0 t\u00ednh to\u00e1n, \u0111\u1ebfm, so s\u00e1nh, \u0111o l\u01b0\u1eddng &#8230; do \u0111\u00f3 gi\u00fap tr\u1ebb ti\u1ebfp thu v\u00e0 hi\u1ec3u ki\u1ebfn th\u1ee9c theo ph\u01b0\u01a1ng ph\u00e1p t\u00edch c\u1ef1c h\u01a1n, gi\u00fap tr\u1ebb hi\u1ec3u b\u1ea3n ch\u1ea5t c\u1ee7a m\u1ed7i to\u00e1n h\u1ecdc thay v\u00ec ch\u1ec9 h\u1ecdc con v\u1eb9t.<\/p>\n<p dir=\"ltr\">Ngo\u00e0i ra, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math c\u0169ng \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p &#8220;h\u1ecdc ch\u01a1i&#8221; v\u1edbi h\u01a1n 10.000 ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u00e1c cho tr\u1ebb th\u1ef1c h\u00e0nh, th\u1ef1c h\u00e0nh ki\u1ebfn th\u1ee9c m\u00e0 ch\u00fang \u0111\u00e3 h\u1ecdc \u0111\u1ec3 gi\u1ea3i c\u00e1c c\u00e2u \u0111\u1ed1, tr\u00f2 ch\u01a1i, kh\u00e1m ph\u00e1 kho b\u00e1u to\u00e1n h\u1ecdc, &#8230; \u0111i\u1ec1u n\u00e0y gi\u00fap k\u00edch th\u00edch t\u01b0 duy to\u00e1n h\u1ecdc c\u1ee7a tr\u1ebb t\u1ed1t h\u01a1n, c\u0169ng nh\u01b0 t\u1ea1o ra s\u1ef1 quan t\u00e2m khi h\u1ecdc to\u00e1n cho tr\u1ebb em thay v\u00ec h\u1ecdc t\u1eadp t\u1eeb vi\u1ec7c h\u1ecdc t\u1eadp.<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><em>C\u1ee5 th\u1ec3, khi h\u1ecdc to\u00e1n v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9 c\u0169ng h\u1ed7 tr\u1ee3 tr\u1ebb h\u1ecdc ngo\u1ea1i ng\u1eef khi c\u00e1c b\u00e0i h\u1ecdc b\u1eb1ng ti\u1ebfng Anh. \u0110\u1ea3m b\u1ea3o, \u1ee9ng d\u1ee5ng n\u00e0y gi\u00fap tr\u1ebb ph\u00e1t tri\u1ec3n t\u01b0 duy to\u00e1n h\u1ecdc v\u00e0 \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c k\u1ef9 n\u0103ng ngo\u1ea1i ng\u1eef m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/em><\/p>\n<p dir=\"ltr\" style=\"text-align: center\">Tr\u1ea3i nghi\u1ec7m mi\u1ec5n ph\u00ed ngay b\u00e2y gi\u1edd!<\/p>\n<p dir=\"ltr\">Ph\u1ee5 huynh c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 to\u00e1n h\u1ecdc kh\u1ec9 th\u00f4ng qua video sau:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><a href=\"https:\/\/www.youtube.com\/watch?v=7DSJPVHFROS\" target=\"_blank\" rel=\"noopener\">https:\/\/www.youtube.com\/watch?v=7DSJPVHFROS<\/a><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giup_tre_hieu_cac_quy_tac_ban_chat_cua_bo_nho_loai_bo\"><\/span>Gi\u00fap tr\u1ebb hi\u1ec3u c\u00e1c quy t\u1eafc, b\u1ea3n ch\u1ea5t c\u1ee7a b\u1ed9 nh\u1edb lo\u1ea1i b\u1ecf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 h\u1ecdc c\u00e1ch ghi nh\u1edb trong v\u00f2ng 1000, cha m\u1eb9 c\u1ea7n gi\u00fap tr\u1ebb hi\u1ec3u b\u1ea3n ch\u1ea5t c\u1ee7a t\u00ednh to\u00e1n n\u00e0y. C\u1ee5 th\u1ec3, <em>Khi th\u1ef1c hi\u1ec7n ph\u00e9p tr\u1eeb, h\u00e3y nh\u1edb theo th\u1ee9 t\u1ef1 t\u1eeb ph\u1ea3i sang tr\u00e1i, nh\u01b0ng trong c\u00f9ng m\u1ed9t h\u00e0ng c\u00e1c kho\u1ea3n kh\u1ea5u tr\u1eeb nh\u1ecf h\u01a1n s\u1ed1 ngo\u1ea1i tr\u1eeb ch\u00fang ta s\u1ebd ph\u1ea3i m\u01b0\u1ee3n 1 trong h\u00e0ng ti\u1ebfp theo \u0111\u1ec3 tr\u1eeb (h\u00e3y nh\u1edb 1). Cho \u0111\u1ebfn khi th\u1ef1c hi\u1ec7n ph\u00e9p tr\u1eeb trong h\u00e0ng ti\u1ebfp theo, ch\u00fang t\u00f4i th\u00eam 1 trong ph\u1ea7n tr\u1eeb \u0111\u1ec3 t\u00ednh to\u00e1n.<\/em><\/p>\n<p dir=\"ltr\">Ph\u1ee5 huynh c\u1ea7n gi\u1ea3i th\u00edch, l\u00e0m v\u00ed d\u1ee5, h\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 con c\u00e1i h\u1ecd th\u1ef1c s\u1ef1 hi\u1ec3u &#8220;nh\u1edb&#8221; \u1edf \u0111\u00e2y? \u0110\u1eb7c bi\u1ec7t, khi h\u1ecdc to\u00e1n v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9 d\u1ef1a tr\u00ean c\u00e1c video minh h\u1ecda s\u1ed1ng \u0111\u1ed9ng s\u1ebd gi\u00fap tr\u1ebb d\u1ec5 hi\u1ec3u h\u01a1n m\u00e0 cha m\u1eb9 c\u00f3 th\u1ec3 gi\u1edbi thi\u1ec7u.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hoc_cach_loai_tru_toan_hoc_co_co_ban_de_nang_cao\"><\/span>H\u1ecdc c\u00e1ch lo\u1ea1i tr\u1eeb to\u00e1n h\u1ecdc c\u00f3 c\u01a1 b\u1ea3n \u0111\u1ec3 n\u00e2ng cao<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng em b\u00e9 c\u00f3 \u0111\u01b0\u1ee3c ki\u1ebfn th\u1ee9c m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, c\u0169ng nh\u01b0 kh\u00f4ng ch\u1ecbu \u00e1p l\u1ef1c khi h\u1ecdc cha m\u1eb9 to\u00e1n h\u1ecdc n\u00ean cho con c\u00e1i h\u1ecdc ki\u1ebfn th\u1ee9c t\u1eeb c\u01a1 b\u1ea3n v\u00e0 sau \u0111\u00f3 c\u1ea3i thi\u1ec7n. C\u1ee5 th\u1ec3, h\u00e3y \u0111\u1ec3 em b\u00e9 th\u1ef1c h\u00e0nh lo\u1ea1i b\u1ecf m\u00e0 kh\u00f4ng nh\u1edb, sau \u0111\u00f3 nh\u1edb nh\u01b0ng trong s\u1ed1 nh\u1ecf t\u1eeb 10 \u0111\u1ebfn 100 v\u00e0 sau \u0111\u00f3 l\u00e0 1000.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/phep-tru-co-nho-pham-vi-1000-3.png\" alt=\"V\u1edbi em b\u00e9 c\u1ee7a b\u1ea1n l\u00e0m b\u00e0i t\u1eadp v\u1ec1 nh\u00e0 t\u1eeb d\u1ec5 d\u00e0ng \u0111\u1ebfn kh\u00f3 kh\u0103n. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">B\u1edfi v\u00ec khi b\u1ea1n l\u1ea7n \u0111\u1ea7u ti\u00ean hi\u1ec3u tr\u00ed nh\u1edb, b\u1ea1n s\u1ebd th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i t\u1eadp trong 1000 tr\u1ebb em, n\u00f3 s\u1ebd d\u1ec5 d\u00e0ng c\u1ea3m th\u1ea5y qu\u00e1 nhi\u1ec1u v\u00e0 kh\u00f3 gi\u1ea3i quy\u1ebft b\u00e0i t\u1eadp. Gi\u1ed1ng nh\u01b0 khi l\u00e0m b\u00e0i t\u1eadp v\u1ec1 nh\u00e0, n\u00ean \u0111i t\u1eeb c\u00e1c b\u00e0i t\u1eadp d\u1ec5 d\u00e0ng nh\u01b0 t\u00ednh to\u00e1n v\u00e0 t\u00ednh to\u00e1n, t\u00ednh to\u00e1n v\u00e0 sau \u0111\u00f3 c\u00e1c b\u00e0i t\u1eadp n\u00e2ng cao h\u01a1n nh\u01b0 t\u00ecm ki\u1ebfm c\u00e1c quy t\u1eafc, gi\u1ea3i quy\u1ebft to\u00e1n h\u1ecdc b\u1eb1ng l\u1eddi n\u00f3i, &#8230; \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap b\u00e9 d\u1ec5 d\u00e0ng c\u00f3 \u0111\u01b0\u1ee3c ki\u1ebfn th\u1ee9c v\u00e0 th\u1ef1c h\u00e0nh hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Thuc_hanh_em_be_cua_ban_thuong_xuyen\"><\/span>Th\u1ef1c h\u00e0nh em b\u00e9 c\u1ee7a b\u1ea1n th\u01b0\u1eddng xuy\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi con b\u1ea1n \u0111\u00e3 th\u00e0nh th\u1ea1o l\u00fd thuy\u1ebft v\u1ec1 b\u1ed9 nh\u1edb ngo\u1ea1i tr\u1eeb trong v\u00f2ng 1000, cha m\u1eb9 n\u00ean t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho tr\u1ebb th\u1ef1c h\u00e0nh v\u00e0 th\u1ef1c h\u00e0nh th\u01b0\u1eddng xuy\u00ean.<\/p>\n<p dir=\"ltr\">Vi\u1ec7c th\u1ef1c h\u00e0nh \u1edf \u0111\u00e2y c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb c\u00f9ng m\u1ed9t b\u00e0i t\u1eadp c\u1ee7a tr\u1ebb trong s\u00e1ch gi\u00e1o khoa, tham kh\u1ea3o nhi\u1ec1u ki\u1ebfn th\u1ee9c m\u1edbi tr\u00ean internet, t\u1ed5 ch\u1ee9c c\u00e1c tr\u00f2 ch\u01a1i to\u00e1n h\u1ecdc, t\u1ed5 ch\u1ee9c c\u00e1c cu\u1ed9c thi nh\u1ecf v\u1ec1 to\u00e1n h\u1ecdc \u0111\u1ec3 tr\u1ebb tham gia v\u00e0 c\u00f3 ti\u1ec1n th\u01b0\u1edfng, &#8230; khi tr\u1ebb th\u1ef1c h\u00e0nh nhi\u1ec1u h\u01a1n, ch\u00fang s\u1ebd t\u0103ng kh\u1ea3 n\u0103ng ti\u1ebfp thu ki\u1ebfn th\u1ee9c, c\u0169ng nh\u01b0 t\u1ea1o ra s\u1ef1 quan t\u00e2m cho tr\u1ebb khi h\u1ecdc to\u00e1n, \u0111i\u1ec1u n\u00e0y r\u1ea5t t\u1ed1t cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a tr\u1ebb em.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Thuc_hanh_ky_nang_doc_ky_truoc_khi_giai_tap_cac_bai_tap\"><\/span>Th\u1ef1c h\u00e0nh k\u1ef9 n\u0103ng \u0111\u1ecdc k\u1ef9 tr\u01b0\u1edbc khi gi\u1ea3i t\u1eadp c\u00e1c b\u00e0i t\u1eadp<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">V\u1edbi v\u1ea5n \u0111\u1ec1 to\u00e1n h\u1ecdc v\u1edbi l\u1edbp 2 trong v\u00f2ng 1000 kh\u00e1 l\u1edbn, c\u00f9ng v\u1edbi nhi\u1ec1u lo\u1ea1i b\u00e0i t\u1eadp kh\u00e1c nhau, ph\u1ee5 huynh c\u1ea7n y\u00eau c\u1ea7u v\u00e0 h\u01b0\u1edbng d\u1eabn con c\u00e1i h\u1ecd \u0111\u1ecdc v\u1ea5n \u0111\u1ec1 m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n. B\u1edfi v\u00ec trong to\u00e1n h\u1ecdc, n\u1ebfu ch\u1ec9 c\u00f3 m\u1ed9t s\u1ed1 ho\u1eb7c t\u00ednh to\u00e1n, k\u1ebft qu\u1ea3 c\u1ee7a to\u00e0n b\u1ed9 v\u1ea5n \u0111\u1ec1 s\u1ebd l\u00e0 sai.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/phep-tru-co-nho-pham-vi-1000-4.jpg\" alt=\"Khi l\u00e0m to\u00e1n, b\u1ea1n c\u1ea7n \u0111\u1ecdc k\u1ef9 v\u1ea5n \u0111\u1ec1 \u0111\u1ec3 tr\u00e1nh l\u1ed7i. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_ghi_chu_Khi_cha_me_day_con_hoc_toan\"><\/span>M\u1ed9t s\u1ed1 ghi ch\u00fa Khi cha m\u1eb9 d\u1ea1y con h\u1ecdc to\u00e1n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 gi\u00fap qu\u00e1 tr\u00ecnh d\u1ea1y tr\u1ebb h\u1ecdc lo\u1ea1i tr\u1eeb to\u00e1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, ph\u1ee5 huynh n\u00ean l\u01b0u \u00fd m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 sau:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Lu\u00f4n lu\u00f4n \u0111i k\u00e8m v\u1edbi tr\u1ebb em: V\u1edbi ki\u1ebfn th\u1ee9c n\u00e0y kh\u00e1 kh\u00f3 kh\u0103n, nhi\u1ec1u lo\u1ea1i b\u00e0i t\u1eadp, cha m\u1eb9 c\u1ea7n ph\u1ea3i \u0111i c\u00f9ng con \u0111\u1ec3 h\u01b0\u1edbng d\u1eabn con c\u00e1i h\u1ecdc h\u1ecfi, tr\u1ea3 l\u1eddi khi ch\u00fang kh\u00f3 hi\u1ec3u, c\u0169ng nh\u01b0 xem x\u00e9t kh\u1ea3 n\u0103ng h\u1ecdc t\u1eadp c\u1ee7a ch\u00fang \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u1ea1o s\u1ef1 tho\u1ea3i m\u00e1i khi tr\u1ebb h\u1ecdc to\u00e1n: Thay v\u00ec \u00e1p \u0111\u1eb7t tr\u1ebb em th\u1ef1c hi\u1ec7n b\u00e0i t\u1eadp ch\u00ednh x\u00e1c, h\u00e3y t\u1eadp trung v\u00e0o \u0111i\u1ec3m s\u1ed1, khi\u1ebfn ch\u00fang \u00e1p l\u1ef1c v\u00e0 s\u1ee3 h\u1ecdc to\u00e1n. Thay v\u00e0o \u0111\u00f3, n\u00f3 n\u00ean tho\u1ea3i m\u00e1i cho tr\u1ebb em v\u1edbi nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc t\u1eadp kh\u00e1c nhau nh\u01b0 tr\u00f2 ch\u01a1i, v\u1ea5n \u0111\u1ec1 to\u00e1n h\u1ecdc, c\u00e2u \u0111\u1ed1, &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Th\u01b0\u1eddng xuy\u00ean n\u00f3i chuy\u1ec7n v\u1edbi gi\u00e1o vi\u00ean v\u1ec1 kh\u1ea3 n\u0103ng h\u1ecdc t\u1eadp c\u1ee7a tr\u1ebb em: \u0110\u1ec3 l\u00e0m cho m\u1ed9t k\u1ebf ho\u1ea1ch h\u1ecdc t\u1eadp ph\u00f9 h\u1ee3p v\u1edbi tr\u1ebb em, ph\u1ee5 huynh n\u00ean n\u00f3i chuy\u1ec7n v\u1edbi gi\u00e1o vi\u00ean v\u1ec1 kh\u1ea3 n\u0103ng h\u1ecdc t\u1eadp v\u00e0 ti\u1ebfp thu th\u01b0\u1eddng xuy\u00ean h\u01a1n trong l\u1edbp.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/phep-tru-co-nho-pham-vi-1000-8.jpg\" alt=\"Cha m\u1eb9 c\u1ea7n ph\u1ea3i \u0111i c\u00f9ng con c\u00e1i khi h\u1ecdc to\u00e1n l\u00e0 r\u1ea5t quan tr\u1ecdng. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">V\u1edbi ki\u1ebfn th\u1ee9c v\u1ec1 to\u00e1n h\u1ecdc v\u1edbi b\u1ed9 nh\u1edb trong v\u00f2ng 1000 l\u00e0 m\u1ed9t trong nh\u1eefng n\u1ec1n t\u1ea3ng quan tr\u1ecdng khi h\u1ecdc to\u00e1n m\u00e0 con b\u1ea1n c\u1ea7n ph\u1ea3i l\u00e0m ch\u1ee7. Do \u0111\u00f3, ph\u1ee5 huynh n\u00ean \u0111i c\u00f9ng, h\u1ed7 tr\u1ee3 v\u00e0 \u00e1p d\u1ee5ng c\u00e1c b\u00ed m\u1eadt v\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u1ec9 tr\u00ean \u0111\u1ec3 gi\u00fap nghi\u00ean c\u1ee9u c\u1ee7a con c\u00e1i h\u1ecd \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t.<\/p>\n<p>Ngu\u1ed3n: <a href=\"http:\/\/www.ckconitsha.com\/vn\/\">http:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u00e3y nh\u1edb trong v\u00f2ng 1000 l\u00e0 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 to\u00e1n h\u1ecdc c\u1ea5p 2. B\u1edfi v\u00ec s\u1ed1 l\u01b0\u1ee3ng qu\u00e1 l\u1edbn, trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n, em b\u00e9 d\u1ec5 d\u00e0ng sai. Do \u0111\u00f3, \u0111\u1ec3 gi\u00fap em b\u00e9 c\u1ee7a b\u1ea1n hi\u1ec3u v\u00e0 chinh ph\u1ee5c ki\u1ebfn th\u1ee9c n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, cha m\u1eb9, h\u00e3y&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-40733","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/40733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=40733"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/40733\/revisions"}],"predecessor-version":[{"id":40937,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/40733\/revisions\/40937"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=40733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=40733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=40733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}