{"id":14884,"date":"2025-06-10T17:15:49","date_gmt":"2025-06-10T10:15:49","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=14884"},"modified":"2025-07-05T16:15:05","modified_gmt":"2025-07-05T09:15:05","slug":"cac-cau-do-vui-toan-hoc-lop-4-giup-be-ren-luyen-tu-duy-hieu-qua","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/cac-cau-do-vui-toan-hoc-lop-4-giup-be-ren-luyen-tu-duy-hieu-qua\/","title":{"rendered":"C\u00e1c c\u00e2u \u0111\u1ed1 vui to\u00e1n h\u1ecdc l\u1edbp 4 gi\u00fap b\u00e9 r\u00e8n luy\u1ec7n t\u01b0 duy hi\u1ec7u qu\u1ea3"},"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\/cac-cau-do-vui-toan-hoc-lop-4-giup-be-ren-luyen-tu-duy-hieu-qua\/#Vi_sao_nen_cho_tre_tham_gia_do_vui_toan_hoc_lop_4\" >V\u00ec sao n\u00ean cho tr\u1ebb tham gia \u0111\u1ed1 vui to\u00e1n h\u1ecdc l\u1edbp 4?<\/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\/cac-cau-do-vui-toan-hoc-lop-4-giup-be-ren-luyen-tu-duy-hieu-qua\/#Tong_hop_cac_cau_do_vui_toan_hoc_lop_4\" >T\u1ed5ng h\u1ee3p c\u00e1c c\u00e2u \u0111\u1ed1 vui to\u00e1n h\u1ecdc l\u1edbp 4<\/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\/cac-cau-do-vui-toan-hoc-lop-4-giup-be-ren-luyen-tu-duy-hieu-qua\/#Bi_quyet_giup_thiet_ke_tro_choi_trong_day_hoc_toan_lop_4_hieu_qua\" >B\u00ed quy\u1ebft gi\u00fap thi\u1ebft k\u1ebf tr\u00f2 ch\u01a1i trong d\u1ea1y h\u1ecdc to\u00e1n l\u1edbp 4 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-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/cac-cau-do-vui-toan-hoc-lop-4-giup-be-ren-luyen-tu-duy-hieu-qua\/#Vua_hoc_toan_vua_vui_choi_thu_vi_cung_Shining_Home_%E2%80%93_Gia_dinh_Anh_Ngu_Math\" >V\u1eeba h\u1ecdc to\u00e1n, v\u1eeba vui ch\u01a1i th\u00fa v\u1ecb c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math<\/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\/cac-cau-do-vui-toan-hoc-lop-4-giup-be-ren-luyen-tu-duy-hieu-qua\/#Lua_chon_cau_do_phu_hop_voi_nang_luc_cua_moi_be\" >L\u1ef1a ch\u1ecdn c\u00e2u \u0111\u1ed1 ph\u00f9 h\u1ee3p v\u1edbi n\u0103ng l\u1ef1c c\u1ee7a m\u1ed7i b\u00e9<\/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\/cac-cau-do-vui-toan-hoc-lop-4-giup-be-ren-luyen-tu-duy-hieu-qua\/#Bo_me_can_phai_dong_hanh_cung_voi_be\" >B\u1ed1 m\u1eb9 c\u1ea7n ph\u1ea3i \u0111\u1ed3ng h\u00e0nh c\u00f9ng v\u1edbi b\u00e9<\/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\/cac-cau-do-vui-toan-hoc-lop-4-giup-be-ren-luyen-tu-duy-hieu-qua\/#Tao_dong_luc_su_hung_thu_khi_be_tham_gia\" >T\u1ea1o \u0111\u1ed9ng l\u1ef1c, s\u1ef1 h\u1ee9ng th\u00fa khi b\u00e9 tham gia<\/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\/cac-cau-do-vui-toan-hoc-lop-4-giup-be-ren-luyen-tu-duy-hieu-qua\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>\u0110\u1ed1 vui to\u00e1n h\u1ecdc l\u1edbp 4 l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p d\u1ea1y to\u00e1n t\u01b0 duy \u0111ang \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 tr\u01b0\u1eddng, trung t\u00e2m v\u00e0 ph\u1ee5 huynh \u00e1p d\u1ee5ng. N\u1ebfu bi\u1ebft c\u00e1ch khai th\u00e1c s\u1ebd gi\u00fap n\u00e2ng cao n\u0103ng l\u1ef1c t\u01b0 duy to\u00e1n h\u1ecdc c\u1ee7a b\u00e9 t\u1ed1t nh\u1ea5t. V\u1eady n\u00ean, n\u1ed9i dung b\u00e0i vi\u1ebft sau \u0111\u00e2y Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd t\u1ed5ng h\u1ee3p c\u00e1c b\u00e0i to\u00e1n \u0111\u1ed1 vui l\u1edbp 4 hay \u0111\u1ec3 ph\u1ee5 huynh, c\u00f9ng b\u00e9 luy\u1ec7n t\u1eadp.<\/p>\n<p>                        View all<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Vi_sao_nen_cho_tre_tham_gia_do_vui_toan_hoc_lop_4\"><\/span>V\u00ec sao n\u00ean cho tr\u1ebb tham gia \u0111\u1ed1 vui to\u00e1n h\u1ecdc l\u1edbp 4?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">B\u00ean c\u1ea1nh vi\u1ec7c cho b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 4 tr\u00ean SGK qu\u00e1 nhi\u1ec1u s\u1ebd khi\u1ebfn con nhanh nh\u00e0m ch\u00e1n, kh\u00f3 ti\u1ebfp thu. Ch\u00ednh v\u00ec v\u1eady, vi\u1ec7c cho b\u00e9 h\u1ecdc th\u00f4ng qua c\u00e1c c\u00e2u h\u1ecfi \u0111\u1ed1 vui to\u00e1n s\u1ebd mang \u0111\u1ebfn nh\u1eefng l\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i nh\u01b0:<\/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\/do-vui-hoc-toan-lop-4-1.jpg\" alt=\"Ph\u01b0\u01a1ng ph\u00e1p d\u1ea1y b\u00e9 h\u1ecdc to\u00e1n qua \u0111\u1ed1 vui mang \u0111\u1ebfn nhi\u1ec1u l\u1ee3i \u00edch. (\u1ea2nh: S\u01b0u t\u1ea7m internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u00e1t tri\u1ec3n t\u01b0 duy s\u00e1ng t\u1ea1o c\u1ee7a tr\u1ebb: Khi b\u00e9 h\u1ecdc to\u00e1n qua c\u00e2u \u0111\u1ed1 t\u01b0 duy v\u00e0 ph\u1ea3i suy lu\u1eadn, t\u01b0 duy m\u1edbi gi\u1ea3i \u0111\u01b0\u1ee3c to\u00e1n. Qua \u0111\u00f3 s\u1ebd k\u00edch th\u00edch kh\u1ea3 n\u0103ng t\u01b0 duy, suy ngh\u0129 c\u1ee7a b\u00e9 \u0111\u1ec3 gi\u1ea3i \u0111\u1ed1 ch\u00ednh x\u00e1c.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u0103ng kh\u1ea3 n\u0103ng suy lu\u1eadn, ph\u00e1n \u0111o\u00e1n khi h\u1ecdc to\u00e1n: Vi\u1ec7c gi\u1ea3i nh\u1eefng c\u00e2u \u0111\u1ed1 vui \u0111\u00f2i h\u1ecfi b\u00e9 ph\u1ea3i v\u1eadn d\u1ee5ng \u00f3c ph\u00e1n \u0111o\u00e1n, suy lu\u1eadn, k\u1ebft h\u1ee3p v\u1edbi ki\u1ebfn th\u1ee9c \u0111\u00e3 h\u1ecdc \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e2u \u0111\u1ed1, hay \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Gi\u00fap tr\u1ebb bi\u1ebft v\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng quan s\u00e1t: V\u1edbi c\u00e1c c\u00e2u \u0111\u1ed1 th\u01b0\u1eddng b\u00e9 s\u1ebd ph\u1ea3i quan s\u00e1t c\u00e2u \u0111\u1ed1, k\u1ebft h\u1ee3p v\u1edbi vi\u1ec7c quan s\u00e1t th\u1ebf gi\u1edbi xung quanh b\u00e9 \u0111\u1ec3 ghi nh\u1edb, v\u1eadn d\u1ee5ng v\u00e0 gi\u1ea3i c\u00e2u \u0111\u1ed1.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u0103ng kh\u1ea3 n\u0103ng nh\u1ea1y b\u00e9n khi h\u1ecdc to\u00e1n: Khi cho b\u00e9 tham gia\u00a0h\u1ecdc to\u00e1n qua \u0111\u1ed1 vui\u00a0ch\u1eafc ch\u1eafn s\u1ebd c\u00f3 s\u1ef1 h\u1ee9ng th\u00fa h\u01a1n, c\u0169ng nh\u01b0 s\u1ebd k\u00edch th\u00edch s\u1ef1 nh\u1ea1y b\u00e9n trong vi\u1ec7c t\u01b0 duy, ghi nh\u1edb v\u00e0 gi\u1ea3i b\u00e0i t\u1eadp nhanh ch\u00f3ng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u00e1t tri\u1ec3n ng\u00f4n ng\u1eef c\u1ee7a tr\u1ebb: Ti\u1ebfng Vi\u1ec7t r\u1ea5t phong ph\u00fa, n\u00ean khi cho con h\u1ecdc to\u00e1n l\u1edbp 4 qua \u0111\u1ed1 vui s\u1ebd g\u00f3p ph\u1ea7n gi\u00fap b\u00e9 bi\u1ebft th\u00eam nhi\u1ec1u t\u1eeb v\u1ef1ng, gia t\u0103ng kh\u1ea3 n\u0103ng ng\u00f4n ng\u1eef c\u1ee7a m\u00ecnh t\u1ed1t h\u01a1n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u00e9 ti\u1ebfp n\u1ea1p th\u00eam \u0111\u01b0\u1ee3c nhi\u1ec1u ki\u1ebfn th\u1ee9c m\u1edbi: Ngo\u00e0i vi\u1ec7c h\u1ecdc to\u00e1n trong SGK, c\u00e1c ki\u1ebfn th\u1ee9c th\u00f4ng qua c\u00e2u \u0111\u1ed1 c\u0169ng r\u1ea5t \u0111a d\u1ea1ng v\u1ec1 nhi\u1ec1u ch\u1ee7 \u0111\u1ec1. Qua \u0111\u00f3 gi\u00fap con ti\u1ebfp thu th\u00eam nhi\u1ec1u ki\u1ebfn th\u1ee9c m\u1edbi trong \u0111\u1eddi s\u1ed1ng t\u1ef1 nhi\u00ean nh\u1ea5t.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u00e9 \u0111\u01b0\u1ee3c gi\u1ea3i tr\u00ed khi h\u1ecdc to\u00e1n: C\u00e1c c\u00e2u \u0111\u1ed1 to\u00e1n h\u1ecdc kh\u00f4ng ch\u1ec9 mang ki\u1ebfn th\u1ee9c to\u00e1n h\u1ecdc kh\u00f4 khan, m\u00e0 \u0111\u01b0\u1ee3c l\u1ed3ng gh\u00e9p th\u00eam y\u1ebfu t\u1ed1 gi\u1ea3i tr\u00ed gi\u00fap con gia t\u0103ng s\u1ef1 h\u1ee9ng th\u00fa khi h\u1ecdc to\u00e1n h\u01a1n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u0103ng k\u1ef9 n\u0103ng giao ti\u1ebfp c\u1ee7a b\u00e9: Khi tham gia \u0111\u1ed1 vui to\u00e1n h\u1ecdc, n\u00ean cho c\u00e1c con ch\u01a1i c\u00f9ng b\u1ea1n b\u00e8, ng\u01b0\u1eddi th\u00e2n, b\u1ed1 m\u1eb9\u2026 \u0111\u1ec3 qua \u0111\u00f3 gi\u00fap cu\u1ed9c ch\u01a1i vui h\u01a1n, b\u00e9 h\u1ee9ng th\u00fa ch\u01a1i v\u00e0 h\u1ecdc v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng giao ti\u1ebfp c\u1ee7a tr\u1ebb h\u01a1n.<\/p>\n<\/li>\n<\/ul>\n<table style=\"border-collapse: collapse;width: 100%;background-color: #fbeeb8\" border=\"1\">\n<tr>\n<td style=\"width: 98.5189%\">\n<p style=\"text-align: center\">GI\u00daP CON H\u1eccC TO\u00c1N K\u1ebeT H\u1ee2P V\u1edaI TI\u1ebeNG ANH SI\u00caU TI\u1ebeT KI\u1ec6M CH\u1ec8 TR\u00caN M\u1ed8T APP MONKEY MATH. V\u1edaI N\u1ed8I DUNG D\u1ea0Y H\u1eccC \u0110A PH\u01af\u01a0NG PH\u00c1P GI\u00daP B\u00c9 PH\u00c1T TRI\u1ec2N T\u01af DUY N\u00c3O B\u1ed8 V\u00c0 NG\u00d4N NG\u1eee TO\u00c0N DI\u1ec6N CH\u1ec8 V\u1edaI KHO\u1ea2NG 2K\/NG\u00c0Y.<\/p>\n<p style=\"text-align: center\">\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia.monkeyuni.net\/upload\/web\/img\/button_dang-ky-ngay-1.png\" alt=\"\" width=\"200\" height=\"27\"><\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tong_hop_cac_cau_do_vui_toan_hoc_lop_4\"><\/span>T\u1ed5ng h\u1ee3p c\u00e1c c\u00e2u \u0111\u1ed1 vui to\u00e1n h\u1ecdc l\u1edbp 4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">V\u1edbi nh\u1eefng l\u1ee3i \u00edch tuy\u1ec7t v\u1eddi khi cho b\u00e9 tham gia h\u1ecdc to\u00e1n l\u1edbp 4 \u0111\u1ed1 vui, th\u00ec d\u01b0\u1edbi \u0111\u00e2y Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef s\u1ebd t\u1ed5ng h\u1ee3p m\u1ed9t s\u1ed1 c\u00e2u \u0111\u1ed1 \u0111\u1ec3 c\u00e1c em c\u00f9ng tham kh\u1ea3o v\u00e0 th\u1eed chinh ph\u1ee5c nh\u00e9.<\/p>\n<p dir=\"ltr\">B\u00e0i 1: L\u1edbp 4A c\u00f3 42 h\u1ecdc sinh. Trong \u0111\u00f3 c\u00f3 25 HS gi\u1ecfi to\u00e1n, 23 HS gi\u1ecfi Ti\u1ebfng Vi\u1ec7t v\u00e0 hai HS kh\u00f4ng gi\u1ecfi m\u00f4n n\u00e0o. H\u1ecfi c\u00f3 bao nhi\u00eau HS gi\u1ecfi c\u1ea3 hai m\u00f4n?<\/p>\n<p dir=\"ltr\">Gi\u1ea3i \u0111\u00e1p:<\/p>\n<p dir=\"ltr\">S\u1ed1 HS gi\u1ecfi \u00edt nh\u1ea5t 1 m\u00f4n l\u00e0:<\/p>\n<p dir=\"ltr\">42 \u2013 2 = 40 (HS)<\/p>\n<p dir=\"ltr\">S\u1ed1 HS gi\u1ecfi c\u1ea3 hai m\u00f4n l\u00e0:<\/p>\n<p dir=\"ltr\">(25 + 23) \u2013 40 = 8 (HS)<\/p>\n<p dir=\"ltr\">\u0110\u00e1p s\u1ed1: 8 HS.<\/p>\n<p dir=\"ltr\">B\u00e0i 2: Ba b\u1ea1n Hi\u1ec1n, Thi, Thoa m\u1eb7c ba chi\u1ebfu \u00e1o m\u00e0u \u0111\u1ecf, v\u00e0ng, xanh v\u00e0 c\u00e0i ba c\u00e1i n\u01a1 c\u0169ng m\u00e0u \u0111\u1ecf, v\u00e0ng, xanh.<\/p>\n<p dir=\"ltr\">Bi\u1ebft r\u1eb1ng:<\/p>\n<p dir=\"ltr\">a. Thoa c\u00e0i n\u01a1 m\u00e0u xanh.<\/p>\n<p dir=\"ltr\">b. Ch\u1ec9 c\u00f3 b\u1ea1n Hi\u1ec1n l\u00e0 c\u00f3 m\u00e0u \u00e1o v\u00e0 m\u00e0u n\u01a1 gi\u1ed1ng nhau.<\/p>\n<p dir=\"ltr\">c. M\u00e0u \u00e1o v\u00e0 m\u00e0u n\u01a1 c\u1ee7a Thi \u0111\u1ec1u kh\u00f4ng ph\u1ea3i m\u00e0u \u0111\u1ecf.<\/p>\n<p dir=\"ltr\">H\u00e3y x\u00e1c \u0111\u1ecbnh xem ba b\u1ea1n Hi\u1ec1n, Thi, Thoa m\u1eb7c \u00e1o m\u00e0u g\u00ec v\u00e0 c\u00e0i n\u01a1 m\u00e0u g\u00ec?<\/p>\n<p dir=\"ltr\">Gi\u1ea3i \u0111\u00e1p:<\/p>\n<p dir=\"ltr\">T\u1eeb a) v\u00e0 b) c\u00f3 m\u00e0u \u00e1o c\u1ee7a Thoa l\u00e0 \u0111\u1ecf ho\u1eb7c v\u00e0ng.<\/p>\n<p dir=\"ltr\">T\u1eeb c) c\u00f3 m\u00e0u n\u01a1, m\u00e0u \u00e1o c\u1ee7a Thi l\u00e0 xanh ho\u1eb7c v\u00e0ng. Suy ra:<\/p>\n<p dir=\"ltr\">M\u00e0u \u00e1o c\u1ee7a Thoa l\u00e0 m\u00e0u v\u00e0ng.<\/p>\n<p dir=\"ltr\">M\u00e0u \u00e1o v\u00e0 m\u00e0u n\u01a1 c\u1ee7a Hi\u1ec1n l\u00e0 m\u00e0u \u0111\u1ecf. C\u00f2n l\u1ea1i Thi c\u00f3 \u00e1o m\u00e0u xanh v\u00e0 n\u01a1 m\u00e0u v\u00e0ng.<\/p>\n<p dir=\"ltr\">\u0110\u00e1p s\u1ed1:<\/p>\n<p dir=\"ltr\">Hi\u1ec1n m\u1eb7c \u00e1o \u0111\u1ecf, c\u00e0i n\u01a1 \u0111\u1ecf.<\/p>\n<p dir=\"ltr\">Thi m\u1eb7c \u00e1o xanh, c\u00e0i n\u01a1 v\u00e0ng.<\/p>\n<p dir=\"ltr\">Thoa m\u1eb7c \u00e1o v\u00e0ng, c\u00e0i n\u01a1 xanh.<\/p>\n<p dir=\"ltr\">B\u00e0i 3: Tr\u00ean m\u1ed9t d\u00f2ng s\u00f4ng, c\u00f3 m\u1ed9t ng\u01b0\u1eddi l\u00e1i thuy\u1ec1n ph\u1ea3i ch\u1edf m\u1ed9t con s\u00f3i, m\u1ed9t con d\u00ea v\u00e0 m\u1ed9t chi\u1ebfc b\u1eafp c\u1ea3i sang s\u00f4ng. Kh\u00f3 m\u1ed9t n\u1ed7i l\u00e0 thuy\u1ec1n c\u1ee7a b\u00e1c nh\u1ecf n\u00ean m\u1ed7i chuy\u1ebfn ch\u1ec9 ch\u1edf \u0111\u01b0\u1ee3c m\u1ed9t con s\u00f3i, ho\u1eb7c m\u1ed9t con d\u00ea, ho\u1eb7c m\u1ed9t b\u1eafp c\u1ea3i. Nh\u01b0ng n\u1ebfu ch\u00f3 s\u00f3i \u0111\u1ee9ng c\u1ea1nh d\u00ea th\u00ec ch\u00f3 s\u00f3i s\u1ebd \u0103n th\u1ecbt d\u00ea, m\u00e0 d\u00ea \u0111\u1ee9ng c\u1ea1nh b\u1eafp c\u1ea3i th\u00ec d\u00ea s\u1ebd \u0103n b\u1eafp c\u1ea3i.<\/p>\n<p dir=\"ltr\">L\u00e0m th\u1ebf n\u00e0o b\u00e2y gi\u1edd? B\u00e1c l\u00e1i thuy\u1ec1n suy ngh\u0129 m\u1ed9t l\u00fac r\u1ed3i b\u00e1c reo l\u00ean: &#8220;Ta \u0111\u00e3 c\u00f3 c\u00e1ch.&#8221; V\u00e0 r\u1ed3i b\u00e1c \u0111\u00e3 ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c th\u1eadt xu\u1ea5t s\u1eafc.<\/p>\n<p dir=\"ltr\">\u0110\u1ed1 b\u1ea1n bi\u1ebft b\u00e1c \u0111\u00e3 l\u00e0m th\u1ebf n\u00e0o?<\/p>\n<p dir=\"ltr\">Gi\u1ea3i \u0111\u00e1p:<\/p>\n<p dir=\"ltr\">B\u00e1c l\u00e1i thuy\u1ec1n \u0111\u00e3 ch\u1edf \u0111\u01b0\u1ee3c c\u1ea3 s\u00f3i, d\u00ea v\u00e0 b\u1eafp c\u1ea3i sang s\u00f4ng b\u1eb1ng c\u00e1ch:<\/p>\n<p dir=\"ltr\">L\u1ea7n th\u1ee9 nh\u1ea5t: B\u00e1c ch\u1edf d\u00ea sang s\u00f4ng \u0111\u1ec3 s\u00f3i v\u00e0 b\u1eafp c\u1ea3i \u1edf l\u1ea1i v\u00ec s\u00f3i kh\u00f4ng \u0103n b\u1eafp c\u1ea3i. B\u00e1c quay thuy\u1ec1n tr\u1edf v\u1ec1.<\/p>\n<p dir=\"ltr\">L\u1ea7n th\u1ee9 hai: B\u00e1c ch\u1edf s\u00f3i sang s\u00f4ng nh\u01b0ng khi \u0111\u01b0a s\u00f3i l\u00ean b\u1edd \u0111\u1ed3ng th\u1eddi b\u00e1c l\u1ea1i cho d\u00ea xu\u1ed1ng thuy\u1ec1n v\u1ec1 b\u00ean kia v\u00ec n\u1ebfu \u0111\u1ec3 d\u00ea l\u1ea1i th\u00ec d\u00ea s\u1ebd l\u00e0 mi\u1ebfng m\u1ed3i ngon c\u1ee7a s\u00f3i.<\/p>\n<p dir=\"ltr\">L\u1ea7n th\u1ee9 ba: B\u00e1c ch\u1edf b\u1eafp c\u1ea3i sang s\u00f4ng. Nh\u01b0 v\u1eady s\u00f3i v\u00e0 b\u1eafp c\u1ea3i \u0111\u00e3 sang s\u00f4ng. B\u00e1c quay tr\u1edf v\u1ec1 b\u1ebfn c\u0169 n\u01a1i c\u00f3 ch\u00fa d\u00ea \u0111ang \u0111\u1ee3i.<\/p>\n<p dir=\"ltr\">L\u1ea7n th\u1ee9 t\u01b0: B\u00e1c ch\u1edf n\u1ed1t ch\u00fa d\u00ea sang s\u00f4ng.<\/p>\n<p dir=\"ltr\">Sau b\u1ed1n l\u1ea7n, b\u00e1c l\u00e1i thuy\u1ec1n \u0111\u00e3 ch\u1edf \u0111\u01b0\u1ee3c s\u00f3i, b\u1eafp c\u1ea3i v\u00e0 d\u00ea sang s\u00f4ng m\u1ed9t c\u00e1ch an to\u00e0n. \u0110\u00fang l\u00e0 m\u1ed9t b\u00e1c l\u00e1i thuy\u1ec1n th\u00f4ng minh.<\/p>\n<p dir=\"ltr\">B\u00e0i 4: Ba b\u1ea1n C\u00fac, \u0110\u00e0o, H\u1ed3ng l\u00e0m ba hoa gi\u1ea5y, hoa c\u00fac, hoa \u0111\u00e0o, hoa h\u1ed3ng. B\u1ea1n l\u00e0m hoa h\u1ed3ng n\u00f3i v\u1edbi C\u00fac: th\u1ebf l\u00e0 trong ch\u00fang ta kh\u00f4ng c\u00f3 ai l\u00e0m hoa tr\u00f9ng v\u1edbi t\u00ean c\u1ee7a m\u00ecnh.<\/p>\n<p dir=\"ltr\">C\u00e1c b\u1ea1n th\u1eed \u0111o\u00e1n xem ai l\u00e0 hoa g\u00ec?<\/p>\n<p dir=\"ltr\">Gi\u1ea3i \u0111\u00e1p:<\/p>\n<p dir=\"ltr\">B\u1ea1n l\u00e0m hoa h\u1ed3ng n\u00f3i v\u1edbi C\u00fac n\u00ean C\u00fac kh\u00f4ng l\u00e0m hoa h\u1ed3ng. C\u00fac kh\u00f4ng l\u00e0m hoa tr\u00f9ng t\u00ean c\u1ee7a m\u00ecnh n\u00ean C\u00fac kh\u00f4ng l\u00e0m hoa c\u00fac. V\u1eady C\u00fac l\u00e0m hoa \u0111\u00e0o.<\/p>\n<p dir=\"ltr\">B\u1ea1n h\u1ed3ng kh\u00f4ng l\u00e0m hoa \u0111\u00e0o v\u00ec hoa \u0111\u00e0o l\u00e0 b\u1ea1n C\u00fac l\u00e0m, H\u1ed3ng kh\u00f4ng l\u00e0m hoa tr\u00f9ng t\u00ean c\u1ee7a m\u00ecnh n\u00ean H\u1ed3ng kh\u00f4ng l\u00e0m hoa h\u1ed3ng.<\/p>\n<p dir=\"ltr\">V\u1eady H\u1ed3ng l\u00e0m hoa c\u00fac.<\/p>\n<p dir=\"ltr\">Cu\u1ed1i c\u00f9ng \u0110\u00e0o l\u00e0m hoa h\u1ed3ng.<\/p>\n<p dir=\"ltr\">B\u00e0i 5: \u1ede m\u1ed9t b\u1ea3n l\u00e0ng n\u1ecd c\u00f3 m\u1ed9t gia \u0111\u00ecnh c\u00f3 ba ng\u01b0\u1eddi con trai. M\u1ed7i ng\u01b0\u1eddi con trai \u0111\u1ec1u c\u00f3 m\u1ed9t ng\u01b0\u1eddi ch\u1ecb g\u00e1i v\u00e0 m\u1ed9t ng\u01b0\u1eddi em g\u00e1i.<\/p>\n<p dir=\"ltr\">C\u00e1i b\u1ea1n th\u1eed \u0111o\u00e1n xem gia \u0111\u00ecnh \u0111\u00f3 c\u00f3 m\u1ea5y ng\u01b0\u1eddi?<\/p>\n<p dir=\"ltr\">Gi\u1ea3i \u0111\u00e1p:<\/p>\n<p dir=\"ltr\">Gia \u0111\u00ecnh \u0111\u00f3 c\u00f3 m\u1ed9t ng\u01b0\u1eddi con g\u00e1i l\u00e0 con g\u00e1i l\u00e0 con c\u1ea3 \u0111\u1ec3 ba ng\u01b0\u1eddi con trai \u0111\u00f3 c\u00f3 m\u1ed9t ch\u1ecb g\u00e1i.<\/p>\n<p dir=\"ltr\">Gia \u0111\u00ecnh \u0111\u00f3 ph\u1ea3i c\u00f3 m\u1ed9t ng\u01b0\u1eddi con g\u00e1i l\u00e0 con \u00fat \u0111\u1ec3 ba ng\u01b0\u1eddi con trai c\u00f3 m\u1ed9t em g\u00e1i.<\/p>\n<p dir=\"ltr\">V\u1eady gia \u0111\u00ecnh \u0111\u00f3 c\u00f3 t\u1ed5ng s\u1ed1 ng\u01b0\u1eddi con l\u00e0:<\/p>\n<p dir=\"ltr\">1 + 3 + 1 = 5 (ng\u01b0\u1eddi con)<\/p>\n<p dir=\"ltr\">\u0110\u00e1p s\u1ed1: 5 ng\u01b0\u1eddi con.<\/p>\n<p dir=\"ltr\">B\u00e0i 6: Trong h\u1ed9p c\u00f3 45 qu\u1ea3 b\u00f3ng g\u1ed3m 20 m\u00e0u \u0111\u1ecf, 15 qu\u1ea3 m\u00e0u xanh v\u00e0 10 qu\u1ea3 m\u00e0u v\u00e0ng.<\/p>\n<p dir=\"ltr\">H\u1ecfi ph\u1ea3i l\u1ea5y ra bao nhi\u00eau qu\u1ea3 b\u00f3ng \u0111\u1ec3 ch\u1eafc ch\u1eafn c\u00f3 ba qu\u1ea3 b\u00f3ng:<\/p>\n<p dir=\"ltr\">a. M\u00e0u \u0111\u1ecf.<\/p>\n<p dir=\"ltr\">b. C\u00f9ng m\u00e0u.<\/p>\n<p dir=\"ltr\">c. Kh\u00e1c m\u00e0u<\/p>\n<p dir=\"ltr\">Gi\u1ea3i \u0111\u00e1p:<\/p>\n<p dir=\"ltr\">a. H\u1ed9p \u0111\u00f3 c\u00f3 t\u1ea5t c\u1ea3 s\u1ed1 b\u00f3ng xanh v\u00e0 v\u00e0ng l\u00e0:<\/p>\n<p dir=\"ltr\">15 + 10 = 25 (qu\u1ea3)<\/p>\n<p dir=\"ltr\">N\u1ebfu l\u1ea5y ra 25 qu\u1ea3 b\u00f3ng th\u00ec ch\u01b0a ch\u1eafc trong \u0111\u00f3 \u0111\u00e3 c\u00f3 b\u00f3ng m\u00e0u \u0111\u1ecf. V\u1eady mu\u1ed1n c\u00f3 ch\u1eafc ch\u1eafn 3 qu\u1ea3 b\u00f3ng m\u00e0u \u0111\u1ecf \u0111\u01b0\u1ee3c l\u1ea5y ra th\u00ec ta ph\u1ea3i l\u1ea5y \u00edt nh\u1ea5t s\u1ed1 qu\u1ea3 b\u00f3ng l\u00e0:<\/p>\n<p dir=\"ltr\">25 + 3 = 28 (qu\u1ea3)<\/p>\n<p dir=\"ltr\">b) S\u1ed1 b\u00f3ng trong h\u1ed9p ch\u1ec9 c\u00f3 ba m\u00e0u \u0111\u1ecf, xanh v\u00e0 v\u00e0ng n\u00ean n\u1ebfu l\u1ea5y \u00edt nh\u1ea5t 7 qu\u1ea3 th\u00ec ch\u1eafc ch\u1eafn s\u1ebd c\u00f3 ba qu\u1ea3 c\u00f9ng m\u00e0u.<\/p>\n<p dir=\"ltr\">c) H\u1ed9p \u0111\u00f3 c\u00f3 t\u1ea5t c\u1ea3 s\u1ed1 b\u00f3ng \u0111\u1ecf v\u00e0 xanh l\u00e0:<\/p>\n<p dir=\"ltr\">20 + 15 = 35 (qu\u1ea3)<\/p>\n<p dir=\"ltr\">N\u1ebfu l\u1ea5y ra 35 qu\u1ea3 th\u00ec ch\u01b0a ch\u1eafc trong \u0111\u00f3 \u0111\u00e3 c\u00f3 b\u00f3ng v\u00e0ng. V\u1eady mu\u1ed1n ch\u1eafc ch\u1eafn c\u00f3 3 qu\u1ea3 b\u00f3ng kh\u00e1c m\u00e0u th\u00ec ta ph\u1ea3i l\u1ea5y \u00edt nh\u1ea5t s\u1ed1 qu\u1ea3 b\u00f3ng l\u00e0:<\/p>\n<p dir=\"ltr\">35 + 1 = 36 (qu\u1ea3)<\/p>\n<p dir=\"ltr\">\u0110\u00e1p s\u1ed1: a) 28 qu\u1ea3.<\/p>\n<p dir=\"ltr\">b) 7 qu\u1ea3.<\/p>\n<p dir=\"ltr\">c) 36 qu\u1ea3.<\/p>\n<p dir=\"ltr\">\n<p dir=\"ltr\">B\u00e0i 7: C\u00f3 b\u1ed1n ng\u01b0\u1eddi c\u00f9ng \u0111i du l\u1ecbch \u0111\u1ebfn Ph\u00e1p. M\u1ed9t ng\u01b0\u1eddi bi\u1ebft ti\u1ebfng Ph\u00e1p v\u00e0 ti\u1ebfng Anh. M\u1ed9t ng\u01b0\u1eddi bi\u1ebft ti\u1ebfng \u0110\u1ee9c v\u00e0 ti\u1ebfng Nh\u1eadt. M\u1ed9t ng\u01b0\u1eddi bi\u1ebft ti\u1ebfng Nh\u1eadt v\u00e0 ti\u1ebfng Anh, c\u00f2n ng\u01b0\u1eddi cu\u1ed1i c\u00f9ng bi\u1ebft ti\u1ebfng Trung Qu\u1ed1c v\u00e0 ti\u1ebfng \u0110\u1ee9c. C\u1ea3 b\u1ed1n ng\u01b0\u1eddi h\u1ecd c\u00f9ng thu\u00ea ph\u00f2ng \u1edf m\u1ed9t kh\u00e1ch s\u1ea1n. \u0110\u1ebfn c\u1eeda kh\u00e1ch s\u1ea1n h\u1ecd nh\u00ecn th\u1ea5y m\u1ed9t b\u1ea3ng th\u00f4ng b\u00e1o.<\/p>\n<p dir=\"ltr\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u hi\u1ec3u n\u1ed9i dung b\u1ea3ng th\u00f4ng b\u00e1o \u0111\u01b0\u1ee3c nh\u1ec9? Ch\u00fang ta c\u00f9ng ngh\u0129 xem nh\u00e9.<\/p>\n<p dir=\"ltr\">Gi\u1ea3i \u0111\u00e1p:<\/p>\n<p dir=\"ltr\">&#8211; N\u1ebfu c\u1ea3 4 ng\u01b0\u1eddi kh\u00e1ch \u0111\u1ec1u \u1edf c\u00f9ng m\u1ed9t n\u01b0\u1edbc th\u00ec th\u1eadt \u0111\u01a1n gi\u1ea3n. Ng\u01b0\u1eddi bi\u1ebft ti\u1ebfng Ph\u00e1p v\u00e0 ti\u1ebfng Anh s\u1ebd d\u1ecbch b\u1ea3ng th\u00f4ng b\u00e1o n\u00e0y ra th\u1ee9 ti\u1ebfng c\u1ee7a n\u01b0\u1edbc m\u00e0 h\u1ecd \u1edf. Khi \u0111\u00f3 c\u1ea3 4 ng\u01b0\u1eddi \u0111\u1ec1u hi\u1ec3u n\u1ed9i dung b\u1ea3ng th\u00f4ng b\u00e1o.<\/p>\n<p dir=\"ltr\">&#8211; N\u1ebfu c\u1ea3 4 ng\u01b0\u1eddi kh\u00e1ch kh\u00f4ng ph\u1ea3i l\u00e0 ng\u01b0\u1eddi c\u00f9ng m\u1ed9t n\u01b0\u1edbc th\u00ec ta gi\u1ea3i quy\u1ebft nh\u01b0 sau:<\/p>\n<p dir=\"ltr\">Ng\u01b0\u1eddi bi\u1ebft ti\u1ebfng Ph\u00e1p v\u00e0 ti\u1ebfng Anh s\u1ebd d\u1ecbch b\u1ea3ng th\u00f4ng b\u00e1o n\u00e0y sang ti\u1ebfng Anh \u0111\u1ec3 ng\u01b0\u1eddi bi\u1ebft ti\u1ebfng Anh v\u00e0 ti\u1ebfng Nh\u1eadt hi\u1ec3u. Sau \u0111\u00f3 ng\u01b0\u1eddi bi\u1ebft ti\u1ebfng Anh v\u00e0 ti\u1ebfng Nh\u1eadt s\u1ebd d\u1ecbch b\u1ea3ng b\u1ea3ng th\u00f4ng b\u00e1o n\u00e0y sang ti\u1ebfng Nh\u1eadt \u0111\u1ec3 ng\u01b0\u1eddi bi\u1ebft ti\u1ebfng Nh\u1eadt v\u00e0 ti\u1ebfng \u0110\u1ee9c hi\u1ec3u.Cu\u1ed1i c\u00f9ng ng\u01b0\u1eddi bi\u1ebft ti\u1ebfng Nh\u1eadt v\u00e0 ti\u1ebfng \u0110\u1ee9c s\u1ebd d\u1ecbch b\u1ea3ng b\u1ea3ng th\u00f4ng b\u00e1o n\u00e0y sang ti\u1ebfng \u0110\u1ee9c \u0111\u1ec3 ng\u01b0\u1eddi bi\u1ebft ti\u1ebfng \u0110\u1ee9c v\u00e0 ti\u1ebfng Trung Qu\u1ed1c hi\u1ec3u.<\/p>\n<p dir=\"ltr\">Nh\u01b0 v\u1eady l\u00e0 c\u1ea3 4 ng\u01b0\u1eddi \u0111\u1ec1u hi\u1ec3u n\u1ed9i dung b\u1ea3ng th\u00f4ng b\u00e1o.<\/p>\n<p dir=\"ltr\">B\u00e0i 8: C\u00f3 8 ng\u01b0\u1eddi \u0111\u0103ng k\u00fd tham gia tr\u00f2 ch\u01a1i VUI \u0110\u1ec2 H\u1eccC tr\u00ean \u0111\u00e0i truy\u1ec1n h\u00ecnh. Ban t\u1ed5 ch\u1ee9c mu\u1ed1n ch\u1ecdn ba ng\u01b0\u1eddi v\u00e0o m\u1ed9t v\u00f2ng ch\u01a1i.<\/p>\n<p dir=\"ltr\">\u0110\u1ed1 c\u00e1c b\u1ea1n c\u00f3 bao nhi\u00eau c\u00e1ch ch\u1ecdn?<\/p>\n<p dir=\"ltr\">Gi\u1ea3i \u0111\u00e1p:<\/p>\n<p dir=\"ltr\">Ng\u01b0\u1eddi th\u1ee9 nh\u1ea5t c\u00f3 8 c\u00e1ch ch\u1ecdn. C\u00f2n l\u1ea1i 7 ng\u01b0\u1eddi.<\/p>\n<p dir=\"ltr\">Ng\u01b0\u1eddi th\u1ee9 hai c\u00f3 7 c\u00e1ch ch\u1ecdn. C\u00f2n l\u1ea1i 6 ng\u01b0\u1eddi.<\/p>\n<p dir=\"ltr\">Ng\u01b0\u1eddi th\u1ee9 ba c\u00f3 6 c\u00e1ch ch\u1ecdn.<\/p>\n<p dir=\"ltr\">C\u00e1ch ch\u1ecdn 3 ng\u01b0\u1eddi ABC c\u0169ng l\u00e0 ACB,BAC, BCA, CAB, CBA.<\/p>\n<p dir=\"ltr\">S\u00e1u c\u00e1ch ch\u1ecdn tr\u00ean ch\u1ec9 l\u00e0 m\u1ed9t c\u00e1ch. Do \u0111\u00f3 ta c\u00f3 s\u1ed1 c\u00e1ch ch\u1ecd l\u00e0:<\/p>\n<p dir=\"ltr\">(8 x 7 x 6) : 6 = 56 (c\u00e1ch ch\u1ecdn)<\/p>\n<p dir=\"ltr\">\u0110\u00e1p s\u1ed1: 56 c\u00e1ch ch\u1ecdn.<\/p>\n<p dir=\"ltr\">B\u00e0i 9: Tr\u01b0\u1eddng Ti\u1ec3u h\u1ecdc M t\u1ed5 ch\u1ee9c thi \u0111\u1ea5u b\u00f3ng b\u00e0n, c\u00f3 11 \u0111\u1ea5u th\u1ee7 tham gia.<\/p>\n<p dir=\"ltr\">D\u0169ng n\u00f3i r\u1eb1ng: \u201cC\u00f3 th\u1eddi \u0111i\u1ec3m m\u1ed7i \u0111\u1ea5u th\u1ee7 \u0111\u1ec1u \u0111\u1ea5u \u0111ung 7 tr\u1eadn\u201d<\/p>\n<p dir=\"ltr\">Tr\u00ed n\u00f3i r\u1eb1ng: \u201cD\u0169ng n\u00f3i sai r\u1ed3i\u201d.<\/p>\n<p dir=\"ltr\">D\u0169ng \u0111\u00fang hay Tr\u00ed \u0111\u00fang? C\u00e1c b\u1ea1n h\u00e3y ngh\u0129 xem!<\/p>\n<p dir=\"ltr\">Gi\u1ea3i \u0111\u00e1p:<\/p>\n<p dir=\"ltr\">N\u1ebfu m\u1ed7i \u0111\u1ea5u th\u1ee7 \u0111\u1ea5u \u0111\u00fang 7 tr\u1eadn th\u00ec s\u1ed1 tr\u1eadn \u0111\u1ea5u c\u1ee7a gi\u1ea3i l\u00e0:<\/p>\n<p dir=\"ltr\">(7 x 11 ) : 2 = 38,5 kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean. V\u1eady kh\u00f4ng c\u00f3 l\u00fac n\u00e0o m\u1ed7i \u0111\u1ea5u th\u1ee7 \u0111\u1ec1u \u0111\u1ea5u \u0111\u00fang 7 tr\u1eadn. D\u0169ng n\u00f3i sai. Tr\u00ed n\u00f3i \u0111\u00fang!<\/p>\n<p dir=\"ltr\">B\u00e0i 10: Trong th\u00f9ng c\u00f3 ba \u0111\u00f4i v\u1edb (b\u00edt t\u1ea5t) \u0111\u1ec3 l\u1eabn l\u1ed9n. B\u1ea1n Mai l\u1ea5y ra 4 chi\u1ebfc v\u1edb.<\/p>\n<p dir=\"ltr\">H\u1ecfi c\u00f3 th\u1ec3 n\u00f3i ch\u1eafc ch\u1eafn r\u1eb1ng trong 4 chi\u1ebfc v\u1edb b\u1ea1n Mai v\u1eeba l\u1ea5y ra c\u00f3 \u00edt nh\u1ea5t 2 chi\u1ebfc v\u1edb c\u00f9ng m\u1ed9t \u0111\u00f4i \u0111\u01b0\u1ee3c kh\u00f4ng?<\/p>\n<p dir=\"ltr\">Gi\u1ea3i \u0111\u00e1p:<\/p>\n<p dir=\"ltr\">S\u1ed1 chi\u1ebfc v\u1edb c\u00f3 l\u00e0:<\/p>\n<p dir=\"ltr\">2 x 3 = 6 (chi\u1ebfc)<\/p>\n<p dir=\"ltr\">L\u1ea5y ra 4 chi\u1ebfc c\u00f2n l\u1ea1i 2 chi\u1ebfc.<\/p>\n<p dir=\"ltr\">2 chi\u1ebfc v\u1edb c\u00f2n l\u1ea1i n\u00e0y c\u1ee7a c\u00f9ng m\u1ed9t \u0111\u00f4i ho\u1eb7c hai \u0111\u00f4i kh\u00e1c nhau. Do \u0111\u00f3 4 chi\u1ebfc v\u1edb l\u1ea5y ra ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t 2 chi\u1ebfc v\u1edb c\u1ee7a c\u00f9ng m\u1ed9t \u0111\u00f4i.<\/p>\n<p dir=\"ltr\">Xem th\u00eam v\u1ec1 c\u00e2u \u0111\u1ed1 T\u1ea0I \u0110\u00c2Y<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bi_quyet_giup_thiet_ke_tro_choi_trong_day_hoc_toan_lop_4_hieu_qua\"><\/span>B\u00ed quy\u1ebft gi\u00fap thi\u1ebft k\u1ebf tr\u00f2 ch\u01a1i trong d\u1ea1y h\u1ecdc to\u00e1n l\u1edbp 4 hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Vi\u1ec7c cho b\u00e9 tham gia \u0111\u1ed1 vui to\u00e1n h\u1ecdc l\u1edbp 4 mang \u0111\u1ebfn nhi\u1ec1u l\u1ee3i \u00edch, tuy nhi\u00ean \u0111\u1ec3 gi\u00fap n\u00e2ng cao hi\u1ec7u qu\u1ea3 h\u1ecdc t\u1eadp v\u00e0 gi\u1ea3i tr\u00ed c\u1ee7a b\u00e9 th\u00f4ng qua ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u00ed quy\u1ebft m\u00e0 ph\u1ee5 huynh c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Vua_hoc_toan_vua_vui_choi_thu_vi_cung_Shining_Home_%E2%80%93_Gia_dinh_Anh_Ngu_Math\"><\/span>V\u1eeba h\u1ecdc to\u00e1n, v\u1eeba vui ch\u01a1i th\u00fa v\u1ecb c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">N\u1ebfu ph\u1ee5 huynh kh\u00f4ng c\u00f3 th\u1eddi gian hay ngh\u0129 ra c\u00e2u \u0111\u1ed1 \u0111\u1ec3 gi\u00fap b\u00e9 v\u1eeba h\u1ecdc, v\u1eeba ch\u01a1i hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 tham kh\u1ea3o ngay Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math. \u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng d\u1ea1y to\u00e1n song ng\u1eef \u0111\u01b0\u1ee3c Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef ph\u00e1t tri\u1ec3n, d\u00e0nh ri\u00eang cho tr\u1ebb m\u1ea7m non v\u00e0 b\u1eadc ti\u1ec3u h\u1ecdc, v\u1edbi n\u1ed9i dung b\u00e1m s\u00e1t ch\u01b0\u01a1ng tr\u00ecnh GDPT m\u1edbi nh\u1ea5t, gi\u00fap b\u00e9 ph\u00e1t tri\u1ec3n n\u0103ng l\u1ef1c h\u1ecdc to\u00e1n th\u1ef1c s\u1ef1 thay v\u00ec ch\u1ec9 truy\u1ec1n t\u1ea3i ki\u1ebfn th\u1ee9c.<\/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\/do-vui-hoc-toan-lop-4-2.jpg\" alt=\"H\u1ecdc to\u00e1n qua tr\u00f2 ch\u01a1i, c\u00e2u \u0111\u1ed1 h\u1ea5p d\u1eabn c\u00f9ng Shining Home - Gia \u0111\u00ecnh Anh Ng\u1eef Math. (\u1ea2nh: Shining Home - Gia \u0111\u00ecnh Anh Ng\u1eef)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">V\u1eady n\u00ean, khi h\u1ecdc to\u00e1n c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math c\u00e1c em s\u1ebd \u0111\u01b0\u1ee3c h\u1ecdc th\u00f4ng qua nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau nh\u01b0:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">H\u1ecdc th\u00f4ng qua video, h\u00ecnh \u1ea3nh ho\u1ea1t ho\u1ea1 ng\u1ed9 ngh\u0129nh gi\u00fap b\u00e9 d\u1ec5 ti\u1ebfp thu.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">H\u1ecdc th\u00f4ng qua tr\u00f2 ch\u01a1i t\u01b0\u01a1ng t\u00e1c, v\u1edbi h\u01a1n 10.000 ho\u1ea1t \u0111\u1ed9ng th\u00fa v\u1ecb \u0111\u1ec3 b\u00e9 v\u1eeba ch\u01a1i, v\u1eeba h\u1ecdc, d\u1ec5 d\u00e0ng ti\u1ebfp thu, ghi nh\u1edb v\u00e0 t\u01b0 duy.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">H\u1ecdc th\u00f4ng qua s\u00e1ch b\u00e0i t\u1eadp b\u1ed5 tr\u1ee3, gi\u00fap b\u00e9 k\u1ebft h\u1ee3p v\u1eadn \u0111\u1ed9ng tinh v\u00e0 th\u00f4 \u0111\u1ec3 x\u00e2y d\u1ef1ng nhi\u1ec1u k\u1ef9 n\u0103ng nh\u01b0 quan s\u00e1t, \u0111\u1ebfm, v\u1ebd, t\u00ednh to\u00e1n,\u2026hi\u1ec7u qu\u1ea3.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u0110\u1eb7c bi\u1ec7t, t\u1ea5t c\u1ea3 b\u00e0i h\u1ecdc tr\u00ean Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math s\u1ebd chia th\u00e0nh 4 c\u1ea5p \u0111\u1ed9 t\u1eeb d\u1ec5 \u0111\u1ebfn kh\u00f3. Qua \u0111\u00f3 gi\u00fap ph\u1ee5 huynh d\u1ec5 d\u00e0ng l\u1ef1a ch\u1ecdn c\u1ea5p \u0111\u1ed9 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 tu\u1ed5i v\u00e0 n\u0103ng l\u1ef1c c\u1ee7a b\u00e9 nh\u1ea5t.<\/p>\n<p dir=\"ltr\">\u0110\u1ed3ng th\u1eddi, \u1ee9ng d\u1ee5ng c\u00f2n cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 ph\u1ee5 huynh qu\u1ea3n l\u00fd v\u00e0 \u0111\u00e1nh gi\u00e1 \u0111\u01b0\u1ee3c n\u0103ng l\u1ef1c h\u1ecdc t\u1eadp c\u1ee7a b\u00e9 m\u1ed9t c\u00e1ch t\u1ed1t nh\u1ea5t. C\u0169ng nh\u01b0 kh\u00f4ng gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb \u0111\u0103ng nh\u1eadp, c\u00f3 ngh\u0129a l\u00e0 1 t\u00e0i kho\u1ea3n c\u00f3 th\u1ec3 cho nhi\u1ec1u b\u00e9 h\u1ecdc d\u1ec5 d\u00e0ng. Th\u1eadm ch\u00ed, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ngay c\u1ea3 khi kh\u00f4ng c\u00f3 k\u1ebft n\u1ed1i internet d\u1ec5 d\u00e0ng.<\/p>\n<p dir=\"ltr\">\u0110i k\u00e8m v\u1edbi \u0111\u00f3, \u1ee9ng d\u1ee5ng c\u00f2n d\u1ea1y to\u00e1n b\u1eb1ng ti\u1ebfng Anh, l\u00e0 c\u01a1 h\u1ed9i \u0111\u1ec3 gi\u00fap b\u00e9 v\u1eeba h\u1ecdc to\u00e1n, v\u1eeba h\u1ecdc ti\u1ebfng Anh v\u1edbi chi ph\u00ed c\u1ef1c k\u1ef3 ti\u1ebft ki\u1ec7m, ch\u1ec9 v\u1edbi 2000\u0111\/ng\u00e0y. V\u1eady n\u00ean b\u1ed1 m\u1eb9 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 y\u00ean t\u00e2m h\u01a1n khi cho tr\u1ebb h\u1ecdc to\u00e1n t\u01b0 duy ph\u00e1t tri\u1ec3n c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math nh\u00e9.<\/p>\n<p dir=\"ltr\">\u00a0<img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia.monkeyuni.net\/upload\/web\/img\/nhantuvanmienphi.png\" alt=\"\" width=\"200\" height=\"39\"><\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><iframe loading=\"lazy\" title=\"Gi\u1edbi thi\u1ec7u \u1ee9ng d\u1ee5ng Monkey Math\" width=\"1020\" height=\"574\" src=\"https:\/\/www.youtube.com\/embed\/7DsjpvHFrOs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Lua_chon_cau_do_phu_hop_voi_nang_luc_cua_moi_be\"><\/span>L\u1ef1a ch\u1ecdn c\u00e2u \u0111\u1ed1 ph\u00f9 h\u1ee3p v\u1edbi n\u0103ng l\u1ef1c c\u1ee7a m\u1ed7i b\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00e1c c\u00e2u \u0111\u1ed1 vui to\u00e1n h\u1ecdc l\u1edbp 4 r\u1ea5t \u0111a d\u1ea1ng v\u1edbi nhi\u1ec1u ch\u1ee7 \u0111\u1ec1, c\u0169ng nh\u01b0 c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau. V\u1eady n\u00ean, ph\u1ee5 huynh c\u1ea7n ph\u1ea3i bi\u1ebft n\u0103ng l\u1ef1c h\u1ecdc c\u1ee7a b\u00e9 \u0111\u1ebfn \u0111\u00e2u \u0111\u1ec3 ch\u1ecdn l\u1ef1a \u0111\u01b0\u1ee3c nh\u1eefng d\u1ea1ng c\u00e2u \u0111\u1ed1 ph\u00f9 h\u1ee3p nh\u1ea5t. Tr\u00e1nh ch\u1ecdn nh\u1eefng c\u00e2u qu\u00e1 d\u1ec5 ho\u1eb7c qu\u00e1 kh\u00f3 c\u0169ng s\u1ebd khi\u1ebfn b\u00e9 c\u1ea3m th\u1ea5y kh\u00f4ng c\u00f3 s\u1ef1 h\u1ee9ng th\u00fa khi h\u1ecdc.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bo_me_can_phai_dong_hanh_cung_voi_be\"><\/span>B\u1ed1 m\u1eb9 c\u1ea7n ph\u1ea3i \u0111\u1ed3ng h\u00e0nh c\u00f9ng v\u1edbi b\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">V\u1edbi vi\u1ec7c \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p d\u1ea1y b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 4 qua c\u00e2u \u0111\u1ed1, kh\u00f4ng th\u1ec3 \u0111\u1ec3 b\u00e9 t\u1ef1 ch\u01a1i m\u1ed9t m\u00ecnh. Ho\u1eb7c th\u1eadm ch\u00ed c\u00f3 nhi\u1ec1u c\u00e2u h\u1ecfi b\u00e9 s\u1ebd ch\u01b0a th\u1ec3 hi\u1ec3u h\u1ebft ngh\u0129a c\u1ee7a c\u00e2u. Ch\u00ednh v\u00ec v\u1eady, s\u1ef1 \u0111\u1ed3ng h\u00e0nh c\u1ee7a ph\u1ee5 huynh s\u1ebd r\u1ea5t quan tr\u1ecdng l\u00fac n\u00e0y.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tao_dong_luc_su_hung_thu_khi_be_tham_gia\"><\/span>T\u1ea1o \u0111\u1ed9ng l\u1ef1c, s\u1ef1 h\u1ee9ng th\u00fa khi b\u00e9 tham gia<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">N\u1ebfu ch\u1ec9 \u0111\u01a1n gi\u1ea3n h\u1ecfi v\u00e0 ch\u1edd b\u00e9 tr\u1ea3 l\u1eddi m\u1ed9t c\u00e1ch m\u00e1y m\u00f3c, \u0111\u1ebfn m\u1ed9t giai \u0111o\u1ea1n n\u00e0o \u0111\u00f3 con s\u1ebd c\u1ea3m th\u1ea5y nh\u00e0m ch\u00e1n v\u00e0 kh\u00f4ng mu\u1ed1n h\u1ecdc theo c\u00e1ch n\u00e0y. Ch\u00ednh v\u00ec v\u1eady, ph\u1ee5 huynh c\u00f3 th\u1ec3 t\u1ea1o th\u00eam \u0111\u1ed9ng l\u1ef1c cho con b\u1eb1ng vi\u1ec7c \u0111\u01b0a ra c\u00e1c th\u1eed th\u00e1ch, n\u1ebfu con v\u01b0\u1ee3t qua s\u1ebd \u0111\u01b0\u1ee3c khen th\u01b0\u1edfng. Ch\u1eafc ch\u1eafn \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u00fap gia t\u0103ng hi\u1ec7u qu\u1ea3 cu\u1ed9c vui n\u00e0y h\u01a1n cho c\u1ea3 b\u00e9 v\u00e0 ph\u1ee5 huynh.<\/p>\n<p dir=\"ltr\">B\u00ean c\u1ea1nh \u0111\u00f3,\u00a0 b\u1ea1n n\u00ean \u0111\u1eb7t ra gi\u1edbi h\u1ea1n th\u1eddi gian gi\u1ea3i c\u00e2u \u0111\u1ed1, \u0111\u1ec3 t\u1eeb \u0111\u00f3 s\u1ebd gi\u00fap t\u0103ng s\u1ef1 k\u00edch th\u00edch n\u00e3o b\u1ed9, t\u01b0 duy c\u1ee7a b\u00e9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n nh\u00e9.<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/do-vui-toan-hoc-lop-4-01.jpg\" alt=\"B\u1ed1 m\u1eb9 n\u00ean c\u00f3 th\u00eam qu\u00e0 t\u1eb7ng \u0111\u1ec3 kh\u00edch l\u1ec7 con tham gia v\u00e0 h\u1ecdc t\u1eadp. (\u1ea2nh: S\u01b0u t\u1ea7m internet)\" width=\"800\" height=\"533\"><\/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\">V\u1edbi vi\u1ec7c cho b\u00e9 tham gia gi\u1ea3i \u0111\u1ed1 vui to\u00e1n h\u1ecdc l\u1edbp 4 qu\u1ea3 th\u1ef1c l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p h\u1eefu hi\u1ec7u m\u00e0 ph\u1ee5 huynh n\u00ean tham kh\u1ea3o, c\u0169ng nh\u01b0 cho b\u00e9 tr\u1ea3i nghi\u1ec7m. H\u1ee9a h\u1eb9n \u0111\u00e2y s\u1ebd l\u00e0 ph\u01b0\u01a1ng ph\u00e1p tuy\u1ec7t v\u1eddi gi\u00fap b\u00e9 c\u00f3 s\u1ef1 h\u1ee9ng th\u00fa h\u01a1n khi h\u1ecdc to\u00e1n, c\u0169ng nh\u01b0 n\u00e2ng cao n\u0103ng l\u1ef1c t\u01b0 duy v\u00e0 ph\u00e1t tri\u1ec3n n\u00e3o b\u1ed9 c\u1ee7a b\u00e9 t\u1ed1t h\u01a1n m\u00e0 b\u1ed1 m\u1eb9 kh\u00f4ng n\u00ean b\u1ecf qua.<\/p>\n<p>Ngu\u1ed3n: <a href=\"https:\/\/www.ckconitsha.com\/vn\/\">https:\/\/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>\u0110\u1ed1 vui to\u00e1n h\u1ecdc l\u1edbp 4 l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p d\u1ea1y to\u00e1n t\u01b0 duy \u0111ang \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 tr\u01b0\u1eddng, trung t\u00e2m v\u00e0 ph\u1ee5 huynh \u00e1p d\u1ee5ng. N\u1ebfu bi\u1ebft c\u00e1ch khai th\u00e1c s\u1ebd gi\u00fap n\u00e2ng cao n\u0103ng l\u1ef1c t\u01b0 duy to\u00e1n h\u1ecdc c\u1ee7a b\u00e9 t\u1ed1t nh\u1ea5t. V\u1eady n\u00ean, n\u1ed9i dung b\u00e0i vi\u1ebft sau \u0111\u00e2y&#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-14884","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14884","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=14884"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14884\/revisions"}],"predecessor-version":[{"id":17865,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14884\/revisions\/17865"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=14884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=14884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=14884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}