{"id":19561,"date":"2025-07-07T07:50:05","date_gmt":"2025-07-07T00:50:05","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=19561"},"modified":"2025-07-08T06:35:00","modified_gmt":"2025-07-07T23:35:00","slug":"cach-day-tre-hoc-toan-lop-1-do-do-dai-don-gian-nhat","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/cach-day-tre-hoc-toan-lop-1-do-do-dai-don-gian-nhat\/","title":{"rendered":"C\u00e1ch d\u1ea1y tr\u1ebb h\u1ecdc To\u00e1n l\u1edbp 1 \u0111o \u0111\u1ed9 d\u00e0i \u0111\u01a1n gi\u1ea3n nh\u1ea5t"},"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\/cach-day-tre-hoc-toan-lop-1-do-do-dai-don-gian-nhat\/#Toan_hoc_cap_1_do_luong_do_dai_cua_viec_day_tre\" >To\u00e1n h\u1ecdc c\u1ea5p 1 \u0111o l\u01b0\u1eddng \u0111\u1ed9 d\u00e0i c\u1ee7a vi\u1ec7c d\u1ea1y tr\u1ebb?<\/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\/cach-day-tre-hoc-toan-lop-1-do-do-dai-don-gian-nhat\/#Huong_dan_chi_tiet_ve_cach_day_toan_lop_1_de_do_do_dai_cua_tre\" >H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00e1ch d\u1ea1y to\u00e1n l\u1edbp 1 \u0111\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a tr\u1ebb<\/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\/cach-day-tre-hoc-toan-lop-1-do-do-dai-don-gian-nhat\/#Huong_dan_do_chieu_dai_cua_gang_tay_canh_tay_va_buoc_chan\" >H\u01b0\u1edbng d\u1eabn \u0111o chi\u1ec1u d\u00e0i c\u1ee7a g\u0103ng tay, c\u00e1nh tay v\u00e0 b\u01b0\u1edbc ch\u00e2n<\/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\/cach-day-tre-hoc-toan-lop-1-do-do-dai-don-gian-nhat\/#Thuc_hanh_va_thuc_hanh_do_luong_do_dai\" >Th\u1ef1c h\u00e0nh v\u00e0 th\u1ef1c h\u00e0nh \u0111o l\u01b0\u1eddng \u0111\u1ed9 d\u00e0i<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-day-tre-hoc-toan-lop-1-do-do-dai-don-gian-nhat\/#Cac_hinh_thuc_toan_hoc_lop_1_do_luong_do_dai_cua_phu_huynh_nen_day_con_cai\" >C\u00e1c h\u00ecnh th\u1ee9c to\u00e1n h\u1ecdc l\u1edbp 1 \u0111o l\u01b0\u1eddng \u0111\u1ed9 d\u00e0i c\u1ee7a ph\u1ee5 huynh n\u00ean d\u1ea1y con c\u00e1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-day-tre-hoc-toan-lop-1-do-do-dai-don-gian-nhat\/#Bai_tap_toan_cap_1_do_do_dai_cua_sach_giao_khoa_voi_giai_phap\" >B\u00e0i t\u1eadp to\u00e1n c\u1ea5p 1 \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a s\u00e1ch gi\u00e1o khoa v\u1edbi gi\u1ea3i ph\u00e1p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/cach-day-tre-hoc-toan-lop-1-do-do-dai-don-gian-nhat\/#Cac_ghi_chu_Khi_day_tre_hoc_toan_lop_1_do_do_dai\" >C\u00e1c ghi ch\u00fa Khi d\u1ea1y tr\u1ebb h\u1ecdc to\u00e1n l\u1edbp 1 \u0111o \u0111\u1ed9 d\u00e0i<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc v\u1ec1 to\u00e1n h\u1ecdc c\u1ea5p 1 \u0110o d\u00e0i th\u1eddi gian d\u1ea1y tr\u1ebb l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u00e0i c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb kh\u00f4ng ch\u00ednh th\u1ee9c nh\u01b0 g\u0103ng tay, c\u00e1nh tay, g\u1eady &#8230; L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 cha m\u1eb9 \u0111i c\u00f9ng con c\u00e1i h\u1ecd h\u1ecdc ch\u1ee7 \u0111\u1ec1 n\u00e0y m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 \u1edf nh\u00e0? Theo d\u00f5i kh\u1ec9 v\u1edbi b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y!<\/p>\n<p>                                                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img_default\/monkey3.png\" alt=\"\"><\/p>\n<p class=\"title\">H\u00e0ng tri\u1ec7u tr\u1ebb em \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 n\u0103ng ng\u00f4n ng\u1eef c\u1ee7a ch\u00fang th\u00f4ng qua c\u00e1c \u1ee9ng d\u1ee5ng h\u1ecdc t\u1eadp c\u1ee7a kh\u1ec9<\/p>\n<p class=\"description\">\u0110\u0103ng k\u00fd ngay \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed v\u1ec1 c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0 tuy\u1ebfn h\u1ecdc h\u1ecdc cho tr\u1ebb em.<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra t\u00ean \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a b\u1ea1n *Vui l\u00f2ng ki\u1ec3m tra s\u1ed1 \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Toan_hoc_cap_1_do_luong_do_dai_cua_viec_day_tre\"><\/span>To\u00e1n h\u1ecdc c\u1ea5p 1 \u0111o l\u01b0\u1eddng \u0111\u1ed9 d\u00e0i c\u1ee7a vi\u1ec7c d\u1ea1y tr\u1ebb?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">C\u00f9ng v\u1edbi b\u00e0i h\u1ecdc to\u00e1n h\u1ecdc \u0111\u1ed9 1 d\u00e0i h\u01a1n, b\u00e0i h\u1ecdc \u0111o \u0111\u1ed9 d\u00e0i l\u00e0 ti\u1ec1n \u0111\u1ec1 cho tr\u1ebb em nghi\u00ean c\u1ee9u \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng x\u0103ng (cm). Trong b\u00e0i h\u1ecdc n\u00e0y, t\u00f4i s\u1ebd l\u00e0m quen v\u1edbi:<\/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\/toan-lop-1-do-do-dai-1.jpg\" alt=\"\u0110\u1ed9 d\u00e0i \u0111o to\u00e1n h\u1ecdc c\u1ea5p 1. (\u1ea2nh: SGK Math 1 - Cu\u1ed1n s\u00e1ch di\u1ec1u)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i b\u1eb1ng c\u00e1c \u0111\u01a1n v\u1ecb &#8220;kh\u00f4ng ph\u1ea3i l\u00e0 kh\u00f4ng ch\u00ednh th\u1ed1ng&#8221;: T\u00f4i \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1ch \u0111o \u0111\u1ed9 d\u00e0i v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb &#8220;kh\u00f4ng ti\u00eau chu\u1ea9n&#8221; nh\u01b0 g\u0103ng tay, c\u00e1nh tay, b\u01b0\u1edbc ch\u00e2n, g\u1eady, c\u00e1nh tay &#8230; t\u1eeb \u0111\u00f3, t\u00f4i c\u00f3 th\u1ec3 th\u1ef1c h\u00e0nh \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a m\u1ed9t s\u1ed1 \u0111\u1ed1i t\u01b0\u1ee3ng quen thu\u1ed9c v\u1edbi t\u00f4i<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Hi\u1ec3u \u00fd ngh\u0129a c\u1ee7a c\u00e1c \u0111\u01a1n v\u1ecb \u0111\u00f3: Th\u00f4ng qua b\u00e0i h\u1ecdc, t\u00f4i c\u0169ng hi\u1ec3u s\u1ea3i b\u01b0\u1edbc, b\u01b0\u1edbc ch\u00e2n, g\u0103ng tay &#8230; c\u1ee7a m\u1ed7i ng\u01b0\u1eddi l\u00e0 kh\u00e1c nhau. Do \u0111\u00f3, k\u1ebft qu\u1ea3 \u0111o ch\u1ec9 l\u00e0 &#8220;\u01b0\u1edbc t\u00ednh&#8221; v\u00e0 &#8220;g\u1ea7n \u0111\u00fang&#8221;.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">H\u00ecnh th\u00e0nh suy ngh\u0129 \u0111o l\u01b0\u1eddng trong \u0111\u01a1n v\u1ecb ti\u00eau chu\u1ea9n: Do ng\u01b0\u1eddi t\u01b0\u01a1ng \u0111\u1ed1i trong ph\u00e9p \u0111o c\u00e1nh tay, c\u00e1c b\u01b0\u1edbc, tay &#8230; s\u1ebd gi\u00fap tr\u1ebb c\u00f3 mong mu\u1ed1n bi\u1ebft ch\u00ednh x\u00e1c \u0111\u1ed9 d\u00e0i c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng, do \u0111\u00f3 h\u00ecnh th\u00e0nh kh\u00e1i ni\u1ec7m \u0111o \u0111\u1ed9 d\u00e0i ti\u00eau chu\u1ea9n v\u1edbi k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u01a1n v\u1ecb x\u0103ng v\u00e0 Ti-MET trong b\u00e0i h\u1ecdc ti\u1ebfp theo.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Th\u00f4ng qua quan s\u00e1t, th\u1ef1c h\u00e0nh \u0111o l\u01b0\u1eddng trong b\u00e0i h\u1ecdc to\u00e1n l\u1edbp m\u1ed9t, \u0111o \u0111\u1ed9 d\u00e0i, kh\u1ea3 n\u0103ng to\u00e1n h\u1ecdc nh\u01b0 suy ngh\u0129, gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 to\u00e1n h\u1ecdc, s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n to\u00e1n h\u1ecdc &#8230; trong tr\u1ebb s\u1ebd ph\u00e1t tri\u1ec3n nhi\u1ec1u h\u01a1n.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Huong_dan_chi_tiet_ve_cach_day_toan_lop_1_de_do_do_dai_cua_tre\"><\/span>H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00e1ch d\u1ea1y to\u00e1n l\u1edbp 1 \u0111\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a tr\u1ebb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Tr\u00ean th\u1ef1c t\u1ebf, c\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 d\u1ea1y to\u00e1n l\u1edbp 1 \u0111\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a tr\u1ebb em. Cha m\u1eb9 c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u gi\u1edbi thi\u1ec7u c\u00e1ch \u0111o b\u1eb1ng c\u00e1nh tay, b\u01b0\u1edbc ch\u00e2n, tay &#8230; cho tr\u1ebb em v\u1edbi c\u00e1c v\u1eadt quen thu\u1ed9c xung quanh. Ti\u1ebfp theo l\u00e0 th\u1ef1c h\u00e0nh, th\u1ef1c h\u00e0nh cho tr\u1ebb em tr\u1ea3i nghi\u1ec7m v\u00e0 th\u1ec3 hi\u1ec7n s\u1ef1 hi\u1ec3u bi\u1ebft c\u1ee7a ch\u00fang v\u1ec1 n\u1ed9i dung ch\u00fang \u0111ang h\u1ecdc. K\u1ebft h\u1ee3p h\u1ecdc t\u1eadp l\u00fd thuy\u1ebft v\u00e0 th\u1ef1c h\u00e0nh th\u1ef1c h\u00e0nh s\u1ebd gi\u00fap tr\u1ebb em h\u1ea5p th\u1ee5 b\u00e0i h\u1ecdc t\u1ed1i \u0111a.<\/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\/toan-lop-1-do-do-dai-2.png\" alt=\"H\u01b0\u1edbng d\u1eabn \u0111o chi\u1ec1u d\u00e0i c\u1ee7a tr\u1ebb. (\u1ea2nh: SGK Math 1 - Cu\u1ed1n s\u00e1ch di\u1ec1u)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Huong_dan_do_chieu_dai_cua_gang_tay_canh_tay_va_buoc_chan\"><\/span>H\u01b0\u1edbng d\u1eabn \u0111o chi\u1ec1u d\u00e0i c\u1ee7a g\u0103ng tay, c\u00e1nh tay v\u00e0 b\u01b0\u1edbc ch\u00e2n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 tr\u1ebb em b\u1eaft \u0111\u1ea7u h\u00ecnh th\u00e0nh kh\u00e1i ni\u1ec7m \u0111o \u0111\u1ed9 d\u00e0i, cha m\u1eb9 gi\u1ea3i th\u00edch cho con c\u00e1i c\u00e1ch \u0111o \u0111\u1ed9 d\u00e0i b\u1eb1ng c\u00e1c \u0111\u01a1n v\u1ecb kh\u00f4ng ch\u00ednh th\u1ee9c nh\u01b0 g\u0103ng tay, c\u00e1nh tay, b\u01b0\u1edbc ch\u00e2n, g\u1eady.<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">To\u00e1n h\u1ecdc c\u1ea5p 1 \u0110o chi\u1ec1u d\u00e0i c\u1ee7a g\u0103ng tay: Cha m\u1eb9 c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch cho con c\u00e1i r\u1eb1ng vi\u1ec7c \u0111o chi\u1ec1u d\u00e0i c\u1ee7a g\u0103ng tay \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb \u0111\u1ea7u ng\u00f3n tay c\u00e1i \u0111\u1ebfn ng\u00f3n gi\u1eefa (khi k\u00e9o d\u00e0i theo m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng). Ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng g\u0103ng tay \u0111\u1ec3 \u0111o chi\u1ec1u d\u00e0i c\u1ee7a b\u00e0n \u0103n, c\u1eeda s\u1ed5 &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110o chi\u1ec1u d\u00e0i b\u1eb1ng c\u00e1nh tay: Cha m\u1eb9 gi\u1ea3i th\u00edch cho \u0111\u1ee9a tr\u1ebb r\u1eb1ng khi ch\u00fang ta dang r\u1ed9ng c\u00e1nh tay, chi\u1ec1u d\u00e0i c\u1ee7a c\u00e1nh tay \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb ng\u00f3n gi\u1eefa c\u1ee7a c\u00e1nh tay tr\u00e1i sang ng\u00f3n gi\u1eefa c\u1ee7a ng\u00f3n tay ph\u1ea3i. Ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00e1nh tay \u0111\u1ec3 \u0111o c\u00e1c v\u1eadt th\u1ec3 c\u00f3 chi\u1ec1u d\u00e0i l\u1edbn nh\u01b0 b\u1ea3ng ph\u00e2n l\u1edbp.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110o chi\u1ec1u d\u00e0i theo b\u01b0\u1edbc ch\u00e2n: Chi\u1ec1u d\u00e0i b\u00e0n ch\u00e2n \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb ng\u00f3n ch\u00e2n sau sang ng\u00f3n ch\u00e2n tr\u01b0\u1edbc tr\u01b0\u1edbc khi ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n m\u1ed9t b\u01b0\u1edbc. Cha m\u1eb9 c\u00f3 th\u1ec3 \u0111i b\u1ed9 v\u1edbi con c\u00e1i \u0111\u1ec3 t\u00ednh \u0111\u1ed9 d\u00e0i c\u1ee7a ng\u00f4i nh\u00e0, chi\u1ec1u d\u00e0i c\u1ee7a b\u1ee5c &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110o chi\u1ec1u d\u00e0i b\u1eb1ng thanh: Ngo\u00e0i g\u0103ng tay, c\u00e1nh tay ho\u1eb7c b\u01b0\u1edbc ch\u00e2n, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thanh t\u00ednh to\u00e1n \u0111\u1ec3 \u0111o chi\u1ec1u d\u00e0i, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111o g\u0103ng tay. Cha m\u1eb9 c\u00f3 th\u1ec3 mang theo c\u00e2y g\u1eady v\u1edbi con c\u00e1i \u0111\u1ec3 \u0111o chi\u1ec1u cao c\u1ee7a gh\u1ebf.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Cha m\u1eb9 c\u0169ng kh\u00f4ng qu\u00ean l\u1eb7p l\u1ea1i ng\u01b0\u1eddi th\u00e2n c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng n\u00e0y. V\u00ed d\u1ee5, b\u00e0n \u0103n c\u00f3 chi\u1ec1u d\u00e0i 10 b\u00e0n tay c\u1ee7a \u0111\u1ee9a tr\u1ebb nh\u01b0ng ch\u1ec9 c\u00f3 6 g\u0103ng tay c\u1ee7a ng\u01b0\u1eddi m\u1eb9 v\u00ec b\u00e0n tay c\u1ee7a ng\u01b0\u1eddi m\u1eb9 d\u00e0i h\u01a1n \u0111\u1ee9a tr\u1ebb.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Thuc_hanh_va_thuc_hanh_do_luong_do_dai\"><\/span>Th\u1ef1c h\u00e0nh v\u00e0 th\u1ef1c h\u00e0nh \u0111o l\u01b0\u1eddng \u0111\u1ed9 d\u00e0i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u1eeb c\u00e1c kh\u00e1i ni\u1ec7m ban \u0111\u1ea7u v\u1ec1 c\u00e1c \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng &#8220;kh\u00f4ng ch\u00ednh th\u1ed1ng&#8221; \u1edf tr\u00ean, cha m\u1eb9 c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch cho tr\u1ebb r\u1eb1ng ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng r\u1ea5t nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng \u0111o l\u01b0\u1eddng kh\u00e1c (c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u0111\u01a1n v\u1ecb \u0111o) nh\u01b0 ghim gi\u1ea5y, x\u00f3a, ch\u1ee7 l\u1ef1c &#8230; \u0111\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n<p dir=\"ltr\">\u0110\u1ec3 tr\u1ebb em l\u00e0m ch\u1ee7 nh\u1eefng g\u00ec ch\u00fang v\u1eeba h\u1ecdc, cha m\u1eb9 c\u00f3 th\u1ec3 khuy\u1ebfn kh\u00edch con c\u00e1i 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\/toan-lop-1-do-do-dai-3.jpg\" alt=\"M\u1ed9t v\u00e0i ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf \u0111o \u0111\u1ed9 d\u00e0i. (\u1ea2nh: Proudtobeprimary.com)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110o c\u00e1c v\u1eadt th\u1ec3 trong nh\u00e0 nh\u01b0: \u0110o chi\u1ec1u d\u00e0i c\u1ee7a b\u00e0n \u0103n, \u0111o chi\u1ec1u d\u00e0i c\u1ee7a b\u00e0n, \u0111o chi\u1ec1u d\u00e0i c\u1ee7a chi\u1ebfc c\u1eb7p, \u0111o chi\u1ec1u d\u00e0i c\u1ee7a h\u00ecnh \u1ea3nh &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00ecm c\u00e1c v\u1eadt th\u1ec3 trong nh\u00e0 c\u00f3 chi\u1ec1u d\u00e0i c\u1ee7a m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng nh\u1ea5t \u0111\u1ecbnh: v\u00ed d\u1ee5, t\u00ecm th\u1ea5y trong m\u1ed9t ng\u00f4i nh\u00e0 c\u00f3 chi\u1ec1u d\u00e0i kho\u1ea3ng 2 tay, t\u00ecm ki\u1ebfm c\u00e1c v\u1eadt th\u1ec3 trong nh\u00e0 v\u1edbi chi\u1ec1u d\u00e0i kho\u1ea3ng 3 c\u00e1nh tay &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">So s\u00e1nh c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng: So s\u00e1nh c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u00e0ng ng\u00e0y l\u00e0 m\u1ed9t c\u00e1ch kh\u00e1c \u0111\u1ec3 th\u1ef1c h\u00e0nh to\u00e1n h\u1ecdc c\u1ea5p 1 \u0111\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i. \u0110\u1eb7t m\u1ed9t s\u1ed1 \u0111\u1ed3 v\u1eadt tr\u01b0\u1edbc m\u1eb7t \u0111\u1ee9a tr\u1ebb v\u00e0 y\u00eau c\u1ea7u ch\u00fang s\u1eafp x\u1ebfp ch\u00fang theo th\u1ee9 t\u1ef1. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u1ec3 t\u0103ng ho\u1eb7c gi\u1ea3m chi\u1ec1u d\u00e0i v\u00e0 \u0111\u1ec3 tr\u1ebb gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao ch\u00fang l\u00e0m nh\u01b0 v\u1eady.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110o chi\u1ec1u d\u00e0i c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 th\u1ec3 nh\u01b0 b\u00e0n tay v\u00e0 b\u00e0n ch\u00e2n b\u1eb1ng h\u00ecnh d\u1ea1ng: H\u00e3y \u0111\u1ec3 tr\u1ebb \u0111o chi\u1ec1u d\u00e0i c\u1ee7a b\u00e0n tay v\u00e0 b\u00e0n ch\u00e2n \u0111\u1ec3 xem ch\u00fang c\u00f3 bao nhi\u00eau h\u00ecnh d\u1ea1ng v\u00e0 vi\u1ebft c\u00e2u tr\u1ea3 l\u1eddi cho t\u1edd gi\u1ea5y &#8230;<\/p>\n<\/li>\n<\/ul>\n<p>Xem th\u00eam: <\/p>\n<ul>\n<li>3 c\u00e1ch \u0111\u1ec3 d\u1ea1y to\u00e1n h\u1ecdc \u1edf l\u1edbp 1 nhi\u1ec1u h\u01a1n \u0111\u01a1n gi\u1ea3n, t\u00f4i hi\u1ec3u b\u00e0i h\u1ecdc ngay l\u1eadp t\u1ee9c<\/li>\n<li>\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u c\u00e1ch \u0111o v\u00e0 \u0111\u1ed9 d\u00e0i b\u1ea3ng<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_hinh_thuc_toan_hoc_lop_1_do_luong_do_dai_cua_phu_huynh_nen_day_con_cai\"><\/span>C\u00e1c h\u00ecnh th\u1ee9c to\u00e1n h\u1ecdc l\u1edbp 1 \u0111o l\u01b0\u1eddng \u0111\u1ed9 d\u00e0i c\u1ee7a ph\u1ee5 huynh n\u00ean d\u1ea1y con c\u00e1i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau khi con b\u1ea1n h\u1ecdc c\u00e1c l\u00fd thuy\u1ebft \u0111\u01a1n gi\u1ea3n v\u1ec1 c\u00e1ch \u0111o \u0111\u1ed9 d\u00e0i b\u1eb1ng c\u00e1c \u0111\u01a1n v\u1ecb kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n, ph\u1ee5 huynh n\u00ean gi\u1edbi thi\u1ec7u cho tr\u1ebb m\u1ed9t s\u1ed1 lo\u1ea1i b\u00e0i t\u1eadp to\u00e1n h\u1ecdc \u1edf l\u1edbp 1 \u0111\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i v\u00e0 gi\u1ea3i ph\u00e1p chung cho con c\u00e1i c\u1ee7a h\u1ecd d\u1ec5 d\u00e0ng \u00e1p d\u1ee5ng khi g\u1eb7p ph\u1ea3i:<\/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\/toan-lop-1-do-do-dai-4.jpg\" alt=\"T\u00ecm hi\u1ec3u m\u1ed9t s\u1ed1 lo\u1ea1i b\u00e0i t\u1eadp v\u1ec1 \u0111o \u0111\u1ed9 d\u00e0i. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110i\u1ec1n v\u00e0o kh\u00f4ng gian tr\u1ed1ng: B\u00e0i vi\u1ebft \u0111\u01b0a ra b\u1ea3n v\u1ebd c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee5 th\u1ec3 v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb \u0111o ti\u00eau chu\u1ea9n nh\u01b0 pin, c\u1ee5c t\u1ea9y &#8230; Nhi\u1ec7m v\u1ee5 c\u1ee7a tr\u1ebb l\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u00e0i c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u00f3. V\u1edbi lo\u1ea1i b\u00e0i t\u1eadp n\u00e0y, cha m\u1eb9 d\u1ea1y con c\u00e1i \u0111\u1ebfm s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng (thu\u1ed1c t\u1ea9y, pin &#8230;) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u00e0i c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng. V\u00ed d\u1ee5, b\u00e0i vi\u1ebft cho h\u00ecnh d\u1ea1ng b\u00fat, \u0111\u01a1n v\u1ecb \u0111o l\u00e0 m\u1ed9t pin gi\u1ea5y. C\u00f3 6 ch\u00e2n \u0111\u01b0\u1ee3c \u0111\u1eb7t th\u1eb3ng d\u01b0\u1edbi c\u00e2y b\u00fat \u0111\u00f3, sau \u0111\u00f3 ch\u00fang t\u00f4i n\u00f3i m\u1ed9t c\u00e2y b\u00fat 6 -pin.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">So s\u00e1nh \u0111\u1ed9 d\u00e0i c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u00e3 cho: V\u1ea5n \u0111\u1ec1 cho h\u00ecnh c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng v\u1edbi \u0111\u1ed9 d\u00e0i (chi\u1ec1u cao) kh\u00e1c nhau, nhi\u1ec7m v\u1ee5 c\u1ee7a tr\u1ebb l\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u00e0i nh\u1ea5t (ho\u1eb7c cao nh\u1ea5t), ng\u1eafn nh\u1ea5t (ho\u1eb7c th\u1ea5p nh\u1ea5t), hai \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f3 c\u00f9ng chi\u1ec1u d\u00e0i (ho\u1eb7c c\u00f9ng m\u1ed9t chi\u1ec1u cao), d\u00e0i h\u01a1n\/ ng\u1eafn h\u01a1n (ho\u1eb7c cao h\u01a1n\/ th\u1ea5p h\u01a1n). V\u1edbi lo\u1ea1i b\u00e0i t\u1eadp n\u00e0y, cha m\u1eb9 h\u01b0\u1edbng d\u1eabn tr\u1ebb em suy ngh\u0129 v\u1ec1 nh\u1eefng v\u1eadt th\u1ec3 c\u00f3 chi\u1ec1u d\u00e0i (chi\u1ec1u cao) v\u1edbi nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng \u0111o (c\u1ee5c t\u1ea9y, pin gi\u1ea5y &#8230;), v\u1eadt ph\u1ea9m d\u00e0i h\u01a1n (cao h\u01a1n).<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_toan_cap_1_do_do_dai_cua_sach_giao_khoa_voi_giai_phap\"><\/span>B\u00e0i t\u1eadp to\u00e1n c\u1ea5p 1 \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a s\u00e1ch gi\u00e1o khoa v\u1edbi gi\u1ea3i ph\u00e1p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau khi b\u1ea1n \u0111\u00e3 t\u00ecm hi\u1ec3u v\u1ec1 ph\u00e9p \u0111o ki\u1ebfn \u200b\u200bth\u1ee9c to\u00e1n h\u1ecdc c\u1ea5p 1, ph\u1ee5 huynh n\u00ean h\u01b0\u1edbng d\u1eabn con c\u00e1i h\u1ecd th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp trong s\u00e1ch gi\u00e1o khoa to\u00e1n h\u1ecdc 1 (b\u1ed9 s\u00e1ch di\u1ec1u) \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng ki\u1ebfn \u200b\u200bth\u1ee9c \u0111\u00e3 h\u1ecdc.<\/p>\n<p dir=\"ltr\">B\u00e0i t\u1eadp 1 (SGK, trang 115)<\/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\/toan-lop-1-do-do-dai-5.jpg\" alt=\"B\u00e0i t\u1eadp 1. (\u1ea2nh: SGK Math 1 - Cu\u1ed1n s\u00e1ch di\u1ec1u)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Ph\u1ee5 huynh c\u00f3 th\u1ec3 h\u1ecfi con c\u00e1i c\u1ee7a h\u1ecd trong m\u1ed7i b\u1ee9c \u1ea3nh v\u1ec1 nh\u1eefng g\u00ec h\u1ecdc sinh s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng. V\u00ed d\u1ee5: \u0110o b\u00e0n g\u0103ng tay, \u0111o b\u1ee5c b\u1eb1ng b\u01b0\u1edbc ch\u00e2n, \u0111o chi\u1ec1u d\u00e0i c\u1ee7a b\u00e0n b\u1eb1ng s\u1ea3i ch\u00e2n, \u0111o chi\u1ec1u cao c\u1ee7a gh\u1ebf b\u1eb1ng m\u1ed9t c\u00e2y g\u1eady &#8230; v\u00e0 sau \u0111\u00f3 \u0111\u1ec3 tr\u1ebb luy\u1ec7n t\u1eadp. <\/p>\n<p dir=\"ltr\">B\u00e0i t\u1eadp 2 (SGK, trang 116)<\/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\/toan-lop-1-do-do-dai-6.jpg\" alt=\"B\u00e0i t\u1eadp 2. (\u1ea2nh: S\u00e1ch gi\u00e1o khoa to\u00e1n 1 - Cu\u1ed1n s\u00e1ch di\u1ec1u)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">H\u00e3y \u0111\u1ec3 tr\u1ebb quan s\u00e1t s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111o l\u01b0\u1eddng v\u00e0 \u0111i\u1ec1n v\u00e0o c\u00e2u tr\u1ea3 l\u1eddi.<\/p>\n<p dir=\"ltr\">a) 6; 4; b) 9<\/p>\n<p dir=\"ltr\">B\u00e0i t\u1eadp 3 (SGK, trang 116)<\/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\/toan-lop-1-do-do-dai-7.jpg\" alt=\"B\u00e0i t\u1eadp 3. (\u1ea2nh: SGK Math 1 - Cu\u1ed1n s\u00e1ch di\u1ec1u)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">H\u00e3y \u0111\u1ec3 tr\u1ebb quan s\u00e1t b\u1ee9c tranh sau \u0111\u00f3 tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi cho cha m\u1eb9 tham kh\u1ea3o:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00f2a nh\u00e0 B cao nh\u1ea5t.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00f2a nh\u00e0 C th\u1ea5p nh\u1ea5t.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00f2a nh\u00e0 Cao bang D.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00f2a nh\u00e0 A th\u1ea5p h\u01a1n t\u00f2a nh\u00e0 B.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_ghi_chu_Khi_day_tre_hoc_toan_lop_1_do_do_dai\"><\/span>C\u00e1c ghi ch\u00fa Khi d\u1ea1y tr\u1ebb h\u1ecdc to\u00e1n l\u1edbp 1 \u0111o \u0111\u1ed9 d\u00e0i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Theo chia s\u1ebb, b\u00e0i h\u1ecdc to\u00e1n c\u1ea5p 1 l\u00e0 r\u1ea5t quan tr\u1ecdng, \u0111\u00f3 l\u00e0 n\u1ec1n t\u1ea3ng cho tr\u1ebb em h\u1ecdc \u0111o l\u01b0\u1eddng trong \u0111\u01a1n v\u1ecb CM. H\u00e3y \u0111\u1ec3 tr\u1ebb h\u1ecdc hi\u1ec7u qu\u1ea3, cha m\u1eb9 n\u00ean ch\u00fa \u00fd:<\/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\/toan-lop-1-do-do-dai-8.jpg\" alt=\"Cha m\u1eb9 c\u1ed1 g\u1eafng \u0111i c\u00f9ng con c\u00e1i c\u1ee7a h\u1ecd. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Chu\u1ea9n b\u1ecb c\u00e1c c\u00f4ng c\u1ee5 h\u1ecdc t\u1eadp c\u1ea7n thi\u1ebft: v\u00ed d\u1ee5, pin gi\u1ea5y, ghim, g\u1eady, x\u00f3a &#8230; cho tr\u1ebb em th\u1ef1c h\u00e0nh \u0111o l\u01b0\u1eddng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u1eeb t\u1eeb gi\u1ea3i th\u00edch, li\u00ean k\u1ebft c\u00e1c b\u00e0i h\u1ecdc v\u1edbi th\u1ef1c h\u00e0nh: r\u1ea5t kh\u00f3 \u0111\u1ec3 tr\u1ebb h\u1ecdc v\u00e0 \u00e1p d\u1ee5ng n\u00f3 trong th\u1ef1c t\u1ebf n\u1ebfu ch\u00fang ch\u1ec9 gi\u1ea3i th\u00edch l\u00fd thuy\u1ebft. K\u1ebft h\u1ee3p gi\u1ea3i th\u00edch v\u00e0 th\u1ef1c h\u00e0nh v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 h\u1ecdc t\u1eadp s\u1ebd gi\u00fap tr\u1ebb ph\u1ea5n kh\u00edch v\u00e0 h\u1ea5p th\u1ee5 c\u00e1c b\u00e0i h\u1ecdc nhanh h\u01a1n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">H\u00e3y \u0111\u1ec3 con b\u1ea1n b\u00e0y t\u1ecf theo c\u00e1ch c\u1ee7a m\u00ecnh: Trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp, cha m\u1eb9 khuy\u1ebfn kh\u00edch con c\u00e1i chia s\u1ebb suy ngh\u0129 v\u00e0 c\u00e1ch gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1. Theo c\u00e1ch n\u00e0y, t\u00f4i ch\u1ee7 \u0111\u1ed9ng nghi\u00ean c\u1ee9u v\u00e0 hi\u1ec3u b\u00e0i h\u1ecdc nhanh h\u01a1n.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u0110\u1ec3 tr\u1ebb em ph\u00e1t tri\u1ec3n n\u0103ng l\u1ef1c to\u00e1n h\u1ecdc to\u00e0n di\u1ec7n, ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 n\u0103ng t\u01b0 duy v\u00e0 ng\u00f4n ng\u1eef ngay t\u1eeb giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean c\u1ee7a c\u1ea5p 1, cha m\u1eb9 \u0111\u1eebng qu\u00ean \u0111\u1ec3 ch\u00fang h\u1ecdc v\u1edbi Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math. \u0110\u00e2y l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng to\u00e1n h\u1ecdc ti\u1ebfng Anh \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Vi\u1ec7t Nam &#8211; m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u c\u00f3 h\u01a1n 10 tri\u1ec7u ng\u01b0\u1eddi d\u00f9ng t\u1eeb 108 qu\u1ed1c gia v\u00e0 v\u00f9ng l\u00e3nh th\u1ed5 tr\u00ean th\u1ebf gi\u1edbi. \u0110i\u1ec1u g\u00ec th\u00fa v\u1ecb trong to\u00e1n h\u1ecdc kh\u1ec9? Cha m\u1eb9 t\u00ecm hi\u1ec3u qua video ng\u1eafn d\u01b0\u1edbi \u0111\u00e2y:<\/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<\/p>\n<p dir=\"ltr\">Hy v\u1ecdng r\u1eb1ng, vi\u1ec7c chia s\u1ebb c\u00e1c bi\u1ec7n ph\u00e1p to\u00e1n h\u1ecdc c\u1ea5p 1, \u0111\u1ed9 d\u00e0i tr\u00ean \u0111\u00e3 gi\u00fap ph\u1ee5 huynh c\u00f3 th\u00eam m\u1ed9t v\u00e0i \u00fd t\u01b0\u1edfng \u0111\u1ec3 \u0111i c\u00f9ng con c\u00e1i h\u1ecdc to\u00e1n d\u1ec5 d\u00e0ng h\u01a1n \u1edf nh\u00e0. Nh\u1ea5p v\u00e0o &#8220;Nh\u1eadn th\u00f4ng tin c\u1eadp nh\u1eadt&#8221; tr\u00ean \u0111\u1ea7u \u0111\u1ec3 nh\u1eadn chia s\u1ebb h\u1eefu \u00edch v\u1ec1 c\u00e1c ch\u1ee7 \u0111\u1ec1 v\u1ec1 ki\u1ebfn \u200b\u200bth\u1ee9c nu\u00f4i d\u1ea1y con c\u00e1i m\u1ed7i tu\u1ea7n t\u1eeb cha m\u1eb9 kh\u1ec9!<\/p>\n<p>                                    Ngu\u1ed3n tham chi\u1ebfu<\/p>\n<p>22 Ho\u1ea1t \u0111\u1ed9ng \u0111o l\u01b0\u1eddng cho tr\u1ebb em \u1edf nh\u00e0 ho\u1eb7c trong l\u1edbp h\u1ecdc &#8211; Ng\u00e0y truy c\u1eadp: 23 th\u00e1ng 6 n\u0103m 2022<\/p>\n<p>https:\/\/proudtobeprimary.com\/meas mua s\u1eafm-ho\u1ea1t \u0111\u1ed9ng\/<\/p>\n<p>15 ho\u1ea1t \u0111\u1ed9ng \u0111o l\u01b0\u1eddng th\u00fa v\u1ecb cho tr\u1ebb em &#8211; Ng\u00e0y truy c\u1eadp: 23 th\u00e1ng 6 n\u0103m 2022<\/p>\n<p>https:\/\/kidadl.com\/parents\/tips\/meas mua s\u1eafm-ho\u1ea1t \u0111\u1ed9ng-for-skids<\/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>B\u00e0i h\u1ecdc v\u1ec1 to\u00e1n h\u1ecdc c\u1ea5p 1 \u0110o d\u00e0i th\u1eddi gian d\u1ea1y tr\u1ebb l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u00e0i c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb kh\u00f4ng ch\u00ednh th\u1ee9c nh\u01b0 g\u0103ng tay, c\u00e1nh tay, g\u1eady &#8230; L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 cha m\u1eb9 \u0111i c\u00f9ng con c\u00e1i h\u1ecd h\u1ecdc ch\u1ee7 \u0111\u1ec1 n\u00e0y m\u1ed9t&#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-19561","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19561","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=19561"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19561\/revisions"}],"predecessor-version":[{"id":24963,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19561\/revisions\/24963"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=19561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=19561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=19561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}