{"id":17657,"date":"2025-07-05T10:55:05","date_gmt":"2025-07-05T03:55:05","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=17657"},"modified":"2025-07-05T11:05:34","modified_gmt":"2025-07-05T04:05:34","slug":"kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/","title":{"rendered":"Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n to\u00e1n so s\u00e1nh s\u1ed1 l\u1edbn g\u1ea5p m\u1ea5y l\u1ea7n s\u1ed1 b\u00e9 chi ti\u1ebft 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\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#So_luong_con_so_lon_hon_bao_nhieu_lan_so_voi_so_luong_tre_em_la_bao_nhieu\" >S\u1ed1 l\u01b0\u1ee3ng con s\u1ed1 l\u1edbn h\u01a1n bao nhi\u00eau l\u1ea7n so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em l\u00e0 bao nhi\u00eau?<\/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\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Kho_khan_khi_em_be_giai_cac_so_so_sanh_toan_hoc\" >Kh\u00f3 kh\u0103n khi em b\u00e9 gi\u1ea3i c\u00e1c s\u1ed1 so s\u00e1nh to\u00e1n h\u1ecdc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Cac_buoc_de_giai_toan_so_sanh_so_luong_lon_hon_nhieu_lan_so_voi_so_luong_tre_em\" >C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3i to\u00e1n so s\u00e1nh s\u1ed1 l\u01b0\u1ee3ng l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Cac_hinh_thuc_so_sanh_pho_bien_cua_tre_em_va_so_luong_lon\" >C\u00e1c h\u00ecnh th\u1ee9c so s\u00e1nh ph\u1ed5 bi\u1ebfn c\u1ee7a tr\u1ebb em v\u00e0 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Mau_1_Kiem_tra_so_luong_tre_em_la_so_lan\" >M\u1eabu 1: Ki\u1ec3m tra s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em l\u00e0 s\u1ed1 l\u1ea7n<\/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\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Mau_2_Giai_toan_bang_cac_cau_do\" >M\u1eabu 2: Gi\u1ea3i to\u00e1n b\u1eb1ng c\u00e1c c\u00e2u \u0111\u1ed1<\/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\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Mau_3_chu_vi_nay_la_bao_nhieu_lan\" >M\u1eabu 3: chu vi n\u00e0y l\u00e0 bao nhi\u00eau l\u1ea7n<\/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\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Bi_quyet_de_giup_tre_hoc_ghi_nho_va_ap_dung_kien_%E2%80%8B%E2%80%8Bthuc_ve_so_sanh_chinh_xac\" >B\u00ed quy\u1ebft \u0111\u1ec3 gi\u00fap tr\u1ebb h\u1ecdc, ghi nh\u1edb v\u00e0 \u00e1p d\u1ee5ng ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 so s\u00e1nh ch\u00ednh x\u00e1c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Tim_hieu_toan_hoc_hieu_qua_cho_tre_em_voi_toan_hoc_khi\" >T\u00ecm hi\u1ec3u to\u00e1n h\u1ecdc hi\u1ec7u qu\u1ea3 cho tr\u1ebb em v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Hoc_toan_duoc_lien_ket_voi_cac_vi_du_thuc_te\" >H\u1ecdc to\u00e1n \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Hoc_toan_ly_thuyet_voi_thuc_hanh\" >H\u1ecdc to\u00e1n l\u00fd thuy\u1ebft v\u1edbi th\u1ef1c h\u00e0nh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Tom_tat_mot_so_bai_tap_de_so_sanh_cac_con_so_lon_hon_nhieu_lan_so_voi_so_tre_em_cho_em_be_thuc_hanh\" >T\u00f3m t\u1eaft m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp \u0111\u1ec3 so s\u00e1nh c\u00e1c con s\u1ed1 l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi s\u1ed1 tr\u1ebb em cho em b\u00e9 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-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/kien-thuc-co-ban-toan-so-sanh-so-lon-gap-may-lan-so-be-chi-tiet-nhat\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>So s\u00e1nh s\u1ed1 l\u1ea7n l\u1edbn h\u01a1n s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb s\u01a1 sinh l\u00e0 ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 to\u00e1n h\u1ecdc s\u1ebd g\u1eb7p \u1edf l\u1edbp 2 tr\u1edf l\u00ean. Tuy nhi\u00ean, \u0111\u00e2y c\u0169ng l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c suy ngh\u0129 to\u00e1n h\u1ecdc v\u00ec v\u1eady khi l\u00e0m b\u00e0i t\u1eadp v\u1ec1 nh\u00e0, m\u1ed9t s\u1ed1 tr\u1ebb v\u1eabn kh\u00f4ng bi\u1ebft c\u00e1ch gi\u1ea3i quy\u1ebft, d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 sai l\u1ec7ch. V\u00ec v\u1eady, \u0111\u1ec3 gi\u00fap con b\u1ea1n h\u1ecdc v\u00e0 th\u1ef1c h\u00e0nh ch\u00ednh x\u00e1c b\u00e0i t\u1eadp n\u00e0y, h\u00e3y \u0111\u1ec3 kh\u1ec9 ngay l\u1eadp t\u1ee9c kh\u00e1m ph\u00e1 b\u00e0i vi\u1ebft sau.<\/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 h\u01a1n 2.000 t\u1eeb &amp; 6.000 c\u00e2u ti\u1ebfng Anh \u0111\u1ec3 ph\u00e1t tri\u1ec3n to\u00e0n di\u1ec7n 4 k\u1ef9 n\u0103ng ti\u1ebfng Anh t\u1ed1t &#8211; ti\u1ebfng Anh theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng EQ &amp; Vi\u1ec7t Nam *B\u1ea1n ch\u01b0a ch\u1ecdn b\u1ea5t k\u1ef3 m\u1ee5c n\u00e0o! \u0110\u0103ng k\u00fd t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"So_luong_con_so_lon_hon_bao_nhieu_lan_so_voi_so_luong_tre_em_la_bao_nhieu\"><\/span>S\u1ed1 l\u01b0\u1ee3ng con s\u1ed1 l\u1edbn h\u01a1n bao nhi\u00eau l\u1ea7n so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em l\u00e0 bao nhi\u00eau?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">So s\u00e1nh s\u1ed1 l\u01b0\u1ee3ng l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 to\u00e1n h\u1ecdc so s\u00e1nh c\u01a1 b\u1ea3n m\u00e0 ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m quen, h\u1ecdc v\u00e0 l\u00e0m b\u00e0i t\u1eadp v\u1ec1 nh\u00e0 trong ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n h\u1ecdc c\u1ea5p 1.<\/p>\n<p dir=\"ltr\">C\u1ee5 th\u1ec3, h\u00ecnh th\u1ee9c to\u00e1n h\u1ecdc n\u00e0y s\u1ebd y\u00eau c\u1ea7u em b\u00e9 x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u1ea7n s\u1ed1 tr\u1ebb b\u1ecb m\u1ea5t \u1edf m\u1ee9c theo c\u1ea5p s\u1ed1 nh\u00e2n.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: 2 v\u00e0 4? So s\u00e1nh s\u1ed1 4 l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi s\u1ed1 2.<\/em><\/p>\n<p dir=\"ltr\"><em>\u1ede \u0111\u00e2y ch\u00fang ta th\u1ea5y 2 d\u01b0\u1edbi 4, v\u1edbi 2 x 2 = 4 v\u00ec v\u1eady s\u1ed1 4 l\u1edbn h\u01a1n 2 l\u1ea7n so v\u1edbi s\u1ed1 2.<\/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\/so-sanh-so-lon-gap-may-lan-so-be-1.jpg\" alt=\"Ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n l\u1edbp 3 s\u1ebd \u0111\u01b0\u1ee3c h\u1ecdc c\u00e1ch so s\u00e1nh c\u00e1c s\u1ed1. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Kho_khan_khi_em_be_giai_cac_so_so_sanh_toan_hoc\"><\/span>Kh\u00f3 kh\u0103n khi em b\u00e9 gi\u1ea3i c\u00e1c s\u1ed1 so s\u00e1nh to\u00e1n h\u1ecdc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Trong qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em b\u1ecb m\u1ea5t nhi\u1ec1u l\u1ea7n, ch\u00fang th\u01b0\u1eddng g\u1eb7p ph\u1ea3i m\u1ed9t s\u1ed1 kh\u00f3 kh\u0103n nh\u01b0:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u00f4ng hi\u1ec3u v\u1ea5n \u0111\u1ec1: b\u1edfi v\u00ec ch\u00fang \u0111\u00e3 quen thu\u1ed9c v\u1edbi vi\u1ec7c so s\u00e1nh con d\u1ea5u&gt;, &lt;, = r\u1ea5t nhi\u1ec1u tr\u1ebb em khi h\u1ecdc lo\u1ea1i to\u00e1n n\u00e0y th\u01b0\u1eddng kh\u00f4ng hi\u1ec3u v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c \u0111\u01b0a ra, v\u00ec v\u1eady th\u1eadt d\u1ec5 d\u00e0ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n sai b\u00e0i t\u1eadp.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u00f4ng th\u00e0nh th\u1ea1o ph\u00e9p nh\u00e2n: V\u00ec s\u1ed1 l\u01b0\u1ee3ng so s\u00e1nh l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em li\u00ean quan \u0111\u1ebfn m\u1ee9c theo c\u1ea5p s\u1ed1 nh\u00e2n, nhi\u1ec1u em b\u00e9 kh\u00f4ng bi\u1ebft t\u00ednh to\u00e1n nh\u00e2n \u0111\u1ec3 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u00f3 kh\u0103n trong suy ngh\u0129: \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c suy ngh\u0129, v\u00ec v\u1eady nhi\u1ec1u tr\u1ebb em s\u1ebd g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c suy lu\u1eadn ph\u1ea7n &#8220;nhi\u1ec1u l\u1ea7n&#8221;, d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 g\u00e2y hi\u1ec3u l\u1ea7m.<\/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\/so-sanh-so-lon-gap-may-lan-so-be-2.jpg\" alt=\"L\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c suy ngh\u0129, nhi\u1ec1u tr\u1ebb em g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c gi\u1ea3i to\u00e1n. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_buoc_de_giai_toan_so_sanh_so_luong_lon_hon_nhieu_lan_so_voi_so_luong_tre_em\"><\/span>C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3i to\u00e1n so s\u00e1nh s\u1ed1 l\u01b0\u1ee3ng l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em m\u1ea5t nhi\u1ec1u l\u1ea7n, ch\u00fang t\u00f4i s\u1ebd th\u1ef1c hi\u1ec7n gi\u1ea3i th\u01b0\u1edfng theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh trong v\u1ea5n \u0111\u1ec1 l\u00e0 s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em, s\u1ed1 l\u01b0\u1ee3ng l\u1edbn.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 2: \u0110\u01b0a ch\u00fang \u0111\u1ebfn c\u00f9ng m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o n\u1ebfu \u0111\u00f3 l\u00e0 m\u1ed9t b\u00e0i t\u1eadp li\u00ean quan \u0111\u1ebfn \u0111\u01a1n v\u1ecb \u0111o chi\u1ec1u d\u00e0i, tr\u1ecdng l\u01b0\u1ee3ng, nhi\u1ec7t \u0111\u1ed9 &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 3: Th\u1ef1c hi\u1ec7n b\u1ed9 ph\u1eadn, l\u1ea5y m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn \u0111\u1ebfn s\u1ed1 tr\u1ebb em \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 &#8220;nhi\u1ec1u l\u1ea7n&#8221;.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u01b0\u1edbc 4: Vi\u1ebft k\u1ebft qu\u1ea3. \u0110\u01a1n v\u1ecb c\u1ee7a c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 th\u1eddi gian.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: cho s\u1ed1 l\u01b0\u1ee3ng l\u1edbn 15, s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em l\u00e0 5. S\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em l\u00e0 bao nhi\u00eau l\u1ea7n?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn:<\/em><\/p>\n<p dir=\"ltr\"><em>S\u1ed1 l\u00e0 15: 5 = 3 (3 l\u1ea7n).<\/em><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_hinh_thuc_so_sanh_pho_bien_cua_tre_em_va_so_luong_lon\"><\/span>C\u00e1c h\u00ecnh th\u1ee9c so s\u00e1nh ph\u1ed5 bi\u1ebfn c\u1ee7a tr\u1ebb em v\u00e0 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ed1i v\u1edbi lo\u1ea1i to\u00e1n h\u1ecdc n\u00e0y, em b\u00e9 c\u1ee7a b\u1ea1n s\u1ebd quen thu\u1ed9c v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i b\u00e0i t\u1eadp ph\u1ed5 bi\u1ebfn trong ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n c\u1ea5p 1 nh\u01b0 sau:<\/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\/so-sanh-so-lon-gap-may-lan-so-be-3.jpg\" alt=\"C\u00f3 nhi\u1ec1u lo\u1ea1i b\u00e0i t\u1eadp v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00e0 tr\u1ebb em. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_1_Kiem_tra_so_luong_tre_em_la_so_lan\"><\/span>M\u1eabu 1: Ki\u1ec3m tra s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em l\u00e0 s\u1ed1 l\u1ea7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">V\u1edbi h\u00ecnh th\u1ee9c to\u00e1n h\u1ecdc n\u00e0y, v\u1ea5n \u0111\u1ec1 s\u1ebd cung c\u1ea5p th\u00f4ng tin v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00e0 s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf. Y\u00eau c\u1ea7u h\u1ecdc sinh ph\u1ea3i x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 l\u1edbn h\u01a1n s\u1ed1 tr\u1ebb em l\u1edbn h\u01a1n. V\u00ec v\u1eady, b\u1ea1n ch\u1ec9 c\u1ea7n \u00e1p d\u1ee5ng c\u00e1c b\u01b0\u1edbc \u0111\u00fang nh\u01b0 \u0111\u00e3 \u0111\u01b0a ra \u1edf tr\u00ean s\u1ebd t\u00ecm th\u1ea5y c\u00e2u tr\u1ea3 l\u1eddi ch\u00ednh x\u00e1c.<\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5, v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn 6, s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb s\u01a1 sinh l\u00e0 2. L\u1edbn h\u01a1n bao nhi\u00eau l\u1ea7n so v\u1edbi em b\u00e9?<\/em><\/p>\n<p dir=\"ltr\"><em>Ph\u1ea7n th\u01b0\u1edfng:<\/em><\/p>\n<p dir=\"ltr\"><em>B\u1edfi v\u00ec 6: 2 = 3, s\u1ed1 l\u01b0\u1ee3ng l\u1edbn s\u1ebd g\u1ea5p 3 l\u1ea7n s\u1ed1 tr\u1ebb em.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_2_Giai_toan_bang_cac_cau_do\"><\/span>M\u1eabu 2: Gi\u1ea3i to\u00e1n b\u1eb1ng c\u00e1c c\u00e2u \u0111\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong h\u00ecnh th\u1ee9c t\u1eadp th\u1ec3 d\u1ee5c n\u00e0y, h\u1ecd s\u1ebd ti\u1ebfn h\u00e0nh gi\u1ea3i th\u01b0\u1edfng trong c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ul>\n<li dir=\"ltr\">B\u01b0\u1edbc 1: \u0110\u1ecdc v\u00e0 ph\u00e2n t\u00edch v\u1ea5n \u0111\u1ec1 m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn v\u1edbi s\u1ed1 l\u01b0\u1ee3ng, \u0111i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng n\u00e0o c\u00f3 gi\u00e1 tr\u1ecb l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng n\u00e0o?<\/li>\n<li dir=\"ltr\">B\u01b0\u1edbc 2: \u0110\u1ec3 t\u00ecm s\u1ed1 l\u01b0\u1ee3ng l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em, ch\u00fang t\u00f4i s\u1ebd l\u1ea5y s\u1ed1 l\u01b0\u1ee3ng l\u1edbn \u0111\u1ec3 chia cho em b\u00e9.<\/li>\n<li dir=\"ltr\">B\u01b0\u1edbc 3: Tr\u00ecnh b\u00e0y: Gi\u1ea3i ph\u00e1p, t\u00ednh to\u00e1n, c\u00e2u tr\u1ea3 l\u1eddi.<\/li>\n<li dir=\"ltr\">B\u01b0\u1edbc 4: Ki\u1ec3m tra gi\u1ea3i ph\u00e1p v\u00e0 k\u1ebft qu\u1ea3.<\/li>\n<\/ul>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5, m\u1ed9t con l\u1ee3n 50kg n\u1eb7ng, m\u1ed9t con ch\u00f3 c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng 10kg. Tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a con l\u1ee3n l\u00e0 bao nhi\u00eau l\u1ea7n?<\/em><\/p>\n<p dir=\"ltr\"><em>Ph\u1ea7n th\u01b0\u1edfng:<\/em><\/p>\n<p dir=\"ltr\"><em>Con l\u1ee3n c\u00e2n b\u1eb1ng s\u1ed1 l\u1ea7n c\u1ee7a con ch\u00f3:<\/em><\/p>\n<p dir=\"ltr\"><em>50: 10 = 5 (l\u1ea7n)<\/em><\/p>\n<p dir=\"ltr\"><em>Tr\u1ea3 l\u1eddi: 6 l\u1ea7n.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mau_3_chu_vi_nay_la_bao_nhieu_lan\"><\/span>M\u1eabu 3: chu vi n\u00e0y l\u00e0 bao nhi\u00eau l\u1ea7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li dir=\"ltr\">B\u01b0\u1edbc 1: T\u00ednh chu vi c\u1ee7a m\u1ed7i h\u00ecnh \u1ea3nh.<\/li>\n<li dir=\"ltr\">B\u01b0\u1edbc 2: L\u1ea5y chu vi c\u1ee7a h\u00ecnh d\u1ea1ng l\u1edbn h\u01a1n \u0111\u1ec3 ph\u00e2n chia theo chu vi c\u1ee7a h\u00ecnh \u1ea3nh nh\u1ecf h\u01a1n.<\/li>\n<\/ul>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5, chu vi c\u1ee7a t\u1ee9 gi\u00e1c MNPQ c\u1ee7a chu vi c\u1ee7a tam gi\u00e1c ABC l\u00e0 bao nhi\u00eau l\u1ea7n?<\/em><\/p>\n<p dir=\"ltr\"><em>Ph\u1ea7n th\u01b0\u1edfng:<\/em><\/p>\n<p dir=\"ltr\"><em>Chu vi c\u1ee7a tam gi\u00e1c ABC l\u00e0:<\/em><\/p>\n<p dir=\"ltr\"><em>3 \u00d7 3 = 9 (cm)<\/em><\/p>\n<p dir=\"ltr\"><em>Chu vi c\u1ee7a t\u1ee9 gi\u00e1c MNPQ l\u00e0:<\/em><\/p>\n<p dir=\"ltr\"><em>4+5+6+3 = 18 (cm)<\/em><\/p>\n<p dir=\"ltr\"><em>Chu vi c\u1ee7a MNPQ t\u1ee9 gi\u00e1c g\u1ea5p chu vi c\u1ee7a tam gi\u00e1c ABC S\u1ed1 l\u1ea7n l\u00e0:<\/em><\/p>\n<p dir=\"ltr\"><em>18: 9 = 2 (l\u1ea7n)<\/em><\/p>\n<p dir=\"ltr\"><em>Tr\u1ea3 l\u1eddi: 2 l\u1ea7n<\/em><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bi_quyet_de_giup_tre_hoc_ghi_nho_va_ap_dung_kien_%E2%80%8B%E2%80%8Bthuc_ve_so_sanh_chinh_xac\"><\/span>B\u00ed quy\u1ebft \u0111\u1ec3 gi\u00fap tr\u1ebb h\u1ecdc, ghi nh\u1edb v\u00e0 \u00e1p d\u1ee5ng ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 so s\u00e1nh ch\u00ednh x\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ed1i v\u1edbi so s\u00e1nh to\u00e1n h\u1ecdc l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em l\u00e0 m\u1ed9t ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a ki\u1ebfn \u200b\u200bth\u1ee9c nh\u01b0ng quan tr\u1ecdng khi ch\u00fang h\u1ecdc to\u00e1n. V\u00ec v\u1eady, \u0111\u1ec3 em b\u00e9 c\u1ee7a b\u1ea1n th\u00e0nh th\u1ea1o ki\u1ebfn \u200b\u200bth\u1ee9c n\u00e0y, cha m\u1eb9 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c b\u00ed m\u1eadt hi\u1ec7u qu\u1ea3 sau \u0111\u00e2y:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tim_hieu_toan_hoc_hieu_qua_cho_tre_em_voi_toan_hoc_khi\"><\/span>T\u00ecm hi\u1ec3u to\u00e1n h\u1ecdc hi\u1ec7u qu\u1ea3 cho tr\u1ebb em v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">So s\u00e1nh c\u00e1c con s\u1ed1 l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c to\u00e1n h\u1ecdc c\u01a1 b\u1ea3n. Nh\u01b0ng \u0111\u1ec3 \u0111\u00e0o t\u1ea1o suy ngh\u0129 v\u00e0 t\u00ecnh y\u00eau c\u1ee7a to\u00e1n h\u1ecdc t\u1eeb khi c\u00f2n nh\u1ecf \u0111\u1ed1i v\u1edbi tr\u1ebb em, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng h\u1ecdc to\u00e1n ti\u1ebfng Anh hi\u1ec7u qu\u1ea3 m\u00e0 cha m\u1eb9 c\u00f3 th\u1ec3 ch\u1ecdn \u0111i c\u00f9ng con.<\/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\/so-sanh-so-lon-gap-may-lan-so-be-4.jpg\" alt=\"H\u1ecdc to\u00e1n th\u00fa v\u1ecb h\u01a1n v\u1edbi em b\u00e9 c\u1ee7a b\u1ea1n v\u1edbi to\u00e1n h\u1ecdc. (\u1ea2nh: Kh\u1ec9)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">\u0110\u00e2y l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng gi\u1ea3ng d\u1ea1y to\u00e1n h\u1ecdc cho tr\u1ebb m\u1eabu gi\u00e1o v\u00e0 tr\u1ebb ti\u1ec3u h\u1ecdc do Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef ph\u00e1t tri\u1ec3n b\u1edfi h\u00e0ng tri\u1ec7u ph\u1ee5 huynh Vi\u1ec7t Nam. V\u1edbi n\u1ed9i dung \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo Ti\u00eau chu\u1ea9n Nh\u00e0 n\u01b0\u1edbc Core Common Core \u0111\u1ec3 gi\u00fap tr\u1ebb th\u1ef1c h\u00e0nh to\u00e1n h\u1ecdc d\u1ef1a tr\u00ean h\u01a1n 60 ch\u1ee7 \u0111\u1ec1 c\u1ee7a 7 ch\u1ee7 \u0111\u1ec1 to\u00e1n h\u1ecdc ch\u00ednh \u0111\u1ec3 gi\u00fap tr\u1ebb d\u1ec5 d\u00e0ng n\u1eafm b\u1eaft c\u00e1c kh\u00e1i ni\u1ec7m to\u00e1n h\u1ecdc nh\u01b0:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ebfm &amp; \u0110\u1eb7t s\u1ed1<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D\u00e2n s\u1ed1 &amp; T\u01b0 duy \u0111\u1ea1i s\u1ed1<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1ed1 v\u00e0 t\u00ednh to\u00e1n s\u1ed1 th\u1eadp ph\u00e2n<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110o l\u01b0\u1eddng<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">H\u00ecnh h\u1ecdc<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u00f4ng gian &amp; th\u1eddi gian<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D\u1eef li\u1ec7u &amp; \u0110\u1ed3 th\u1ecb<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">C\u00f9ng v\u1edbi \u0111\u00f3, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi h\u01a1n 400 b\u00e0i h\u1ecdc, k\u1ebft h\u1ee3p h\u01a1n 10.000 ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u00e1c th\u00fa v\u1ecb lu\u00f4n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt h\u00e0ng tu\u1ea7n cho tr\u1ebb em \u0111\u1ec3 t\u0103ng s\u1ef1 quan t\u00e2m \u0111\u1ebfn vi\u1ec7c h\u1ecdc.<\/p>\n<p dir=\"ltr\">M\u1eb7c d\u00f9 c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn c\u00e1c b\u00e0i h\u1ecdc, nh\u00f3m c\u00e1c chuy\u00ean gia v\u1ec1 kh\u1ec9 \u0111\u00e3 s\u1eafp x\u1ebfp ch\u00fang m\u1ed9t c\u00e1ch khoa h\u1ecdc, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o em b\u00e9 d\u1ec5 d\u00e0ng nghi\u00ean c\u1ee9u, n\u1eafm b\u1eaft, ghi nh\u1edb v\u00e0 th\u1ef1c h\u00e0nh hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n<p dir=\"ltr\">H\u1ecdc v\u1edbi to\u00e1n h\u1ecdc kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 h\u1ecdc theo h\u01b0\u1edbng truy\u1ec1n \u0111\u1ea1t ki\u1ebfn \u200b\u200bth\u1ee9c, m\u00e0 l\u00e0 y\u00eau c\u1ea7u l\u1edbn h\u01a1n \u1edf tr\u1ebb em \u0111\u1ec3 hi\u1ec3u, suy ngh\u0129, t\u1ea1o v\u00e0 t\u1ef1 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1. Do \u0111\u00f3 gi\u00fap tr\u1ebb l\u00e0m ch\u1ee7 t\u01b0 duy to\u00e1n h\u1ecdc theo c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/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 dir=\"ltr\">T\u1ea3i xu\u1ed1ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math cho \u0111i\u1ec7n tho\u1ea1i Android<\/p>\n<p dir=\"ltr\">T\u1ea3i xu\u1ed1ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math cho \u0111i\u1ec7n tho\u1ea1i iOS<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hoc_toan_duoc_lien_ket_voi_cac_vi_du_thuc_te\"><\/span>H\u1ecdc to\u00e1n \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong giai \u0111o\u1ea1n \u0111\u1ea7u khi em b\u00e9 b\u1eaft \u0111\u1ea7u h\u1ecdc so s\u00e1nh to\u00e1n l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em, ch\u00fang ch\u1eafc ch\u1eafn s\u1ebd h\u01a1i kh\u00f3 hi\u1ec3u. Do \u0111\u00f3, cha m\u1eb9 c\u00f3 th\u1ec3 l\u1ea5y v\u00ed d\u1ee5 th\u1ef1c t\u1ebf b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng g\u1ea7n v\u1edbi em b\u00e9 \u0111\u1ec3 con c\u00e1i h\u1ecd c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u01b0\u1edfng t\u01b0\u1ee3ng v\u00e0 hi\u1ec3u v\u1ea5n \u0111\u1ec1 n\u00e0y nhi\u1ec1u h\u01a1n.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: b\u1ea1n c\u00f3 th\u1ec3 l\u1ea5y 4 qu\u1ea3 t\u00e1o v\u00e0 2 qu\u1ea3 cam. Sau \u0111\u00f3 h\u01b0\u1edbng d\u1eabn em b\u00e9 c\u1ee7a b\u1ea1n \u0111\u1ec3 bi\u1ebft bao nhi\u00eau l\u1ea7n so v\u1edbi t\u00e1o cam? Ho\u1eb7c l\u1ea5y b\u1ea5t k\u1ef3 \u0111\u1ed3 \u0111\u1ea1c n\u00e0o em b\u00e9 c\u1ee7a b\u1ea1n s\u1ebd quan t\u00e2m h\u01a1n v\u00e0 c\u00f3 \u0111\u01b0\u1ee3c ki\u1ebfn \u200b\u200bth\u1ee9c hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hoc_toan_ly_thuyet_voi_thuc_hanh\"><\/span>H\u1ecdc to\u00e1n l\u00fd thuy\u1ebft v\u1edbi th\u1ef1c h\u00e0nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Sau khi em b\u00e9 hi\u1ec3u l\u00fd thuy\u1ebft so s\u00e1nh v\u1edbi s\u1ed1 l\u1ea7n l\u1edbn h\u01a1n s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em, cha m\u1eb9 n\u00ean t\u1ea1o \u0111i\u1ec1u ki\u1ec7n v\u00e0 y\u00eau c\u1ea7u con c\u00e1i h\u1ecd th\u1ef1c h\u00e0nh v\u00e0 th\u1ef1c h\u00e0nh nhi\u1ec1u h\u01a1n.<\/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\/so-sanh-so-lon-gap-may-lan-so-be-5.jpg\" alt=\"Th\u1ef1c h\u00e0nh tr\u1ebb em th\u01b0\u1eddng xuy\u00ean l\u00e0 r\u1ea5t quan tr\u1ecdng. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Vi\u1ec7c th\u1ef1c h\u00e0nh \u1edf \u0111\u00e2y c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb vi\u1ec7c \u0111\u01b0a ra nhi\u1ec1u lo\u1ea1i b\u00e0i t\u1eadp kh\u00e1c nhau \u0111\u1ec3 tr\u1ebb em l\u00e0m, t\u00ecm ki\u1ebfm th\u00eam ki\u1ebfn \u200b\u200bth\u1ee9c v\u00e0 c\u00e1c b\u00e0i t\u1eadp n\u00e2ng cao, th\u1ef1c h\u00e0nh c\u00e1c b\u00e0i ki\u1ec3m tra, t\u1ed5 ch\u1ee9c tr\u00f2 ch\u01a1i, c\u00e1c cu\u1ed9c thi nh\u1ecf \u0111\u1ec3 tr\u1ebb tham gia v\u1edbi b\u1ea1n b\u00e8 &#8230;.<\/p>\n<p dir=\"ltr\">Khi luy\u1ec7n t\u1eadp nhi\u1ec1u h\u01a1n, n\u00f3 s\u1ebd l\u00e0m t\u0103ng s\u1ef1 ph\u1ea5n kh\u00edch c\u1ee7a vi\u1ec7c h\u1ecdc cho tr\u1ebb nhi\u1ec1u h\u01a1n thay v\u00ec ch\u1ec9 h\u1ecdc tr\u00ean s\u00e1ch, th\u1ef1c h\u00e0nh kh\u1ea3 n\u0103ng suy ngh\u0129 v\u00e0 ghi nh\u1edb em b\u00e9 c\u0169ng t\u1ed1t h\u01a1n.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tom_tat_mot_so_bai_tap_de_so_sanh_cac_con_so_lon_hon_nhieu_lan_so_voi_so_tre_em_cho_em_be_thuc_hanh\"><\/span>T\u00f3m t\u1eaft m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp \u0111\u1ec3 so s\u00e1nh c\u00e1c con s\u1ed1 l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi s\u1ed1 tr\u1ebb em cho em b\u00e9 th\u1ef1c h\u00e0nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau khi c\u00f3 th\u1ec3 n\u1eafm b\u1eaft l\u00fd thuy\u1ebft, \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp li\u00ean quan \u0111\u1ec3 em b\u00e9 c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c h\u00e0nh th\u1ef1c h\u00e0nh:<\/p>\n<p dir=\"ltr\">B\u00e0i 1. Cho ph\u00e2n \u0111o\u1ea1n ab = 4cm, \u0111o\u1ea1n cd = 8cm. \u0110\u1ed9 d\u00e0i c\u1ee7a d\u00f2ng AB l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a chi\u1ec1u d\u00e0i c\u1ee7a d\u00f2ng CD?<\/p>\n<p dir=\"ltr\">B\u00e0i 2. Mai thu th\u1eadp 27 tem, m\u1ed9t con tem \u0111\u01b0\u1ee3c thu th\u1eadp. Y\u00eau c\u1ea7u m\u1ed9t s\u1ed1 tem c\u1ee7a Mai?<\/p>\n<p dir=\"ltr\">B\u00e0i 3. N\u0103m nay, m\u1eb9 t\u00f4i 32 tu\u1ed5i, t\u00f4i 5 tu\u1ed5i. H\u1ecfi 4 n\u0103m sau khi con t\u00f4i, ng\u01b0\u1eddi m\u1eb9 bao nhi\u00eau tu\u1ed5i?<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 4. M\u1ed9t gi\u1edd con \u1ed1c l\u00e0 50cm, con r\u00f9a l\u00e0 3m. H\u1ecfi con r\u00f9a b\u00f2 bao nhi\u00eau l\u1ea7n?<\/p>\n<p dir=\"ltr\">B\u00e0i 5. V\u01b0\u1eddn c\u1ee7a ch\u00fa Tu c\u00f3 54 c\u00e2y cam v\u00e0 9 c\u00e2y \u1ed5i. H\u1ecfi s\u1ed1 l\u1ea7n c\u00e2y cam l\u00e0 s\u1ed1 l\u1ea7n l\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u00e2y \u1ed5i?<\/p>\n<p dir=\"ltr\">B\u00e0i 6: C\u00f3 7m d\u00e2y \u0111i\u1ec7n, c\u1eaft ra 7dm. H\u1ecfi d\u00e2y c\u00f2n l\u1ea1i nhi\u1ec1u l\u1ea7n khi lo\u1ea1i b\u1ecf d\u00e2y c\u1eaft?<\/p>\n<p dir=\"ltr\">B\u00e0i 7: \u0110\u1ed1i v\u1edbi tu\u1ed5i m\u1eb9 30 tu\u1ed5i, tu\u1ed5i c\u1ee7a con t\u00f4i l\u00e0 6 tu\u1ed5i. H\u1ecfi tu\u1ed5i c\u1ee7a m\u1ed9t ph\u1ea7n c\u1ee7a ng\u01b0\u1eddi m\u1eb9?<\/p>\n<p dir=\"ltr\">B\u00e0i 8: M\u1ed9t doanh nghi\u1ec7p v\u1eadn t\u1ea3i c\u00f3 96 xe kh\u00e1ch, s\u1ed1 l\u01b0\u1ee3ng taxi g\u1ea5p m\u1ed9t chi\u1ebfc xe ch\u1edf kh\u00e1ch g\u1ea5p 2 l\u1ea7n. H\u1ecfi c\u00f3 bao nhi\u00eau taxi?<\/p>\n<p dir=\"ltr\">B\u00e0i 9: \u0110\u1ed9 d\u00e0i c\u1ee7a d\u00f2ng AB l\u00e0 10cm, chi\u1ec1u d\u00e0i c\u1ee7a CD ph\u00e2n \u0111o\u1ea1n l\u00e0 2cm. \u0110\u01b0\u1eddng th\u1eb3ng AB g\u1ea5p \u0111o\u1ea1n CD?<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 10: LAN t\u0103ng l\u1ee3n 80kg v\u00e0 t\u0103ng 5kg ng\u1ed7ng. H\u1ecfi con l\u1ee3n g\u1ea5p bao nhi\u00eau l\u1ea7n con ng\u1ed7ng?<\/p>\n<p dir=\"ltr\">B\u00e0i 11: M\u1ed9t c\u1eeda h\u00e0ng b\u00e1n v\u1ea3i, ng\u00e0y \u0111\u1ea7u ti\u00ean b\u00e1n \u0111\u01b0\u1ee3c 120m v\u1ea3i. S\u1ed1 l\u01b0\u1ee3ng v\u1ea3i v\u00e0o ng\u00e0y th\u1ee9 hai \u0111\u01b0\u1ee3c b\u00e1n g\u1ea5p 3 l\u1ea7n s\u1ed1 l\u01b0\u1ee3ng v\u1ea3i \u0111\u01b0\u1ee3c b\u00e1n v\u00e0o ng\u00e0y \u0111\u1ea7u ti\u00ean. H\u1ecfi sau hai ng\u00e0y, bao nhi\u00eau m\u00e9t c\u1ee7a c\u1eeda h\u00e0ng b\u00e1n?<\/p>\n<p dir=\"ltr\">B\u00e0i 12: M\u1ed9t h\u00ecnh tam gi\u00e1c c\u00f3 chi\u1ec1u d\u00e0i ba \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00e0 1cm, 1cm, 3cm t\u01b0\u01a1ng \u1ee9ng. M\u1ed9t h\u00ecnh t\u1ee9 gi\u00e1c v\u1edbi chi\u1ec1u d\u00e0i t\u01b0\u01a1ng \u1ee9ng l\u00e0 3cm, 4cm, 7cm v\u00e0 11cm. H\u1ecfi bao nhi\u00eau l\u1ea7n chu vi c\u1ee7a h\u00ecnh ch\u1eef nh\u1eadt l\u00e0 chu vi tam gi\u00e1c?<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 13: LAN ch\u1ecdn 60 b\u00f4ng hoa. LAN cho Hien 20 Hoa. H\u1ecfi xem s\u1ed1 l\u01b0\u1ee3ng hoa lan \u0111\u01b0\u1ee3c ch\u1ecdn bao nhi\u00eau l\u1ea7n?<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/p>\n<p dir=\"ltr\">Tr\u00ean \u0111\u00e2y l\u00e0 ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng so s\u00e1nh v\u1edbi s\u1ed1 l\u1ea7n l\u1edbn h\u01a1n s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb em. M\u1eb7c d\u00f9 \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 ki\u1ebfn \u200b\u200bth\u1ee9c qu\u00e1 kh\u00f3, nh\u01b0ng n\u00f3 s\u1ebd l\u00e0 ti\u1ec1n \u0111\u1ec1 \u0111\u1ec3 tr\u1ebb gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e2ng cao h\u01a1n. Hy v\u1ecdng, v\u1edbi vi\u1ec7c chia s\u1ebb kh\u1ec9 \u1edf tr\u00ean s\u1ebd gi\u00fap h\u1ecd th\u1ef1c h\u00e0nh v\u00e0 th\u1ef1c h\u00e0nh ki\u1ebfn \u200b\u200bth\u1ee9c n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 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>So s\u00e1nh s\u1ed1 l\u1ea7n l\u1edbn h\u01a1n s\u1ed1 l\u01b0\u1ee3ng tr\u1ebb s\u01a1 sinh l\u00e0 ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 to\u00e1n h\u1ecdc s\u1ebd g\u1eb7p \u1edf l\u1edbp 2 tr\u1edf l\u00ean. Tuy nhi\u00ean, \u0111\u00e2y c\u0169ng l\u00e0 m\u1ed9t h\u00ecnh th\u1ee9c suy ngh\u0129 to\u00e1n h\u1ecdc v\u00ec v\u1eady khi l\u00e0m b\u00e0i t\u1eadp v\u1ec1 nh\u00e0, m\u1ed9t s\u1ed1 tr\u1ebb v\u1eabn kh\u00f4ng bi\u1ebft c\u00e1ch gi\u1ea3i quy\u1ebft,&#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-17657","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/17657","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=17657"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/17657\/revisions"}],"predecessor-version":[{"id":23430,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/17657\/revisions\/23430"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=17657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=17657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=17657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}