{"id":21687,"date":"2025-07-08T17:55:52","date_gmt":"2025-07-08T10:55:52","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=21687"},"modified":"2025-07-08T23:35:41","modified_gmt":"2025-07-08T16:35:41","slug":"5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/","title":{"rendered":"5+ ph\u01b0\u01a1ng ph\u00e1p gi\u00fap b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 3 t\u1ea1i nh\u00e0 d\u1ec5 h\u1ecdc d\u1ec5 hi\u1ec3u"},"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\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Mot_so_kien_thuc_can_nam_khi_be_hoc_toan_lop_3\" >M\u1ed9t s\u1ed1 ki\u1ebfn th\u1ee9c c\u1ea7n n\u1eafm khi b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 3<\/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\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Goi_y_cac_phan_mem_ho_tro_khi_ba_me_day_them_toan_lop_3_tai_nha_cho_con\" >G\u1ee3i \u00fd c\u00e1c ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 khi ba m\u1eb9 d\u1ea1y th\u00eam to\u00e1n l\u1edbp 3 t\u1ea1i nh\u00e0 cho con<\/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\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Shining_Home_%E2%80%93_Gia_dinh_Anh_Ngu_Math_%E2%80%93_Ung_dung_hoc_duoc_nhieu_gia_dinh_Viet_lua_chon\" >Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math &#8211; \u1ee8ng d\u1ee5ng h\u1ecdc \u0111\u01b0\u1ee3c nhi\u1ec1u gia \u0111\u00ecnh Vi\u1ec7t l\u1ef1a ch\u1ecdn<\/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\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Ung_dung_hoc_Kien_Guru\" >\u1ee8ng d\u1ee5ng h\u1ecdc Ki\u1ebfn Guru<\/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\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Huong_dan_hoc_toan_lop_3_voi_phan_mem_Hoc_Tot\" >H\u01b0\u1edbng d\u1eabn h\u1ecdc to\u00e1n l\u1edbp 3 v\u1edbi ph\u1ea7n m\u1ec1m H\u1ecdc T\u1ed1t<\/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\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Phan_mem_cung_hoc_toan_lop_3\" >Ph\u1ea7n m\u1ec1m c\u00f9ng h\u1ecdc to\u00e1n l\u1edbp 3<\/a><\/li><\/ul><\/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\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Cac_phuong_phap_de_day_tre_hoc_toan_lop_3_tai_nha_hieu_qua\" >C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 d\u1ea1y tr\u1ebb h\u1ecdc to\u00e1n l\u1edbp 3 t\u1ea1i nh\u00e0 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-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Sap_xep_thoi_gian_hoc_hop_ly_%E2%80%93_Phuong_phap_giup_be_hoc_toan_lop_3_thong_minh\" >S\u1eafp x\u1ebfp th\u1eddi gian h\u1ecdc h\u1ee3p l\u00fd &#8211; Ph\u01b0\u01a1ng ph\u00e1p gi\u00fap b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 3 th\u00f4ng minh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Luyen_hoc_toan_lop_3_bang_cach_tao_thoi_quen_tu_hoc_cho_be\" >Luy\u1ec7n h\u1ecdc to\u00e1n l\u1edbp 3 b\u1eb1ng c\u00e1ch t\u1ea1o th\u00f3i quen t\u1ef1 h\u1ecdc cho b\u00e9\u00a0<\/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\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Da_dang_cac_phuong_phap_khi_day_de_be_vui_hoc_toan_lop_3\" >\u0110a d\u1ea1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p khi d\u1ea1y \u0111\u1ec3 b\u00e9 vui h\u1ecdc to\u00e1n l\u1edbp 3<\/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\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Hoc_thong_qua_cac_tro_choi\" >H\u1ecdc th\u00f4ng qua c\u00e1c tr\u00f2 ch\u01a1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Ghi_nhan_va_khuyen_khich_con_hoc_thong_qua_nhieu_cach\" >Ghi nh\u1eadn v\u00e0 khuy\u1ebfn kh\u00edch con h\u1ecdc th\u00f4ng qua nhi\u1ec1u c\u00e1ch<\/a><\/li><\/ul><\/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\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Nhung_sai_lam_thuong_gap_khi_ba_me_day_con_hoc_toan_lop_3_tai_nha\" >Nh\u1eefng sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p khi ba m\u1eb9 d\u1ea1y con h\u1ecdc to\u00e1n l\u1edbp 3 t\u1ea1i nh\u00e0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#La_mang_khi_be_cham_hieu_bai_va_quen_cac_kien_thuc_cu\" >La m\u1eafng khi b\u00e9 ch\u1eadm hi\u1ec3u b\u00e0i v\u00e0 qu\u00ean c\u00e1c ki\u1ebfn th\u1ee9c c\u0169<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#So_sanh_be_voi_ban_be_dong_trang_lua\" >So s\u00e1nh b\u00e9 v\u1edbi b\u1ea1n b\u00e8 \u0111\u1ed3ng trang l\u1ee9a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Khong_co_su_linh_hoat_trong_viec_sap_xep_thoi_gian_hoc_cua_tre\" >Kh\u00f4ng c\u00f3 s\u1ef1 linh ho\u1ea1t trong vi\u1ec7c s\u1eafp x\u1ebfp th\u1eddi gian h\u1ecdc c\u1ee7a tr\u1ebb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Gay_ap_luc_ve_mat_thanh_tich_va_diem_so\" >G\u00e2y \u00e1p l\u1ef1c v\u1ec1 m\u1eb7t th\u00e0nh t\u00edch v\u00e0 \u0111i\u1ec3m s\u1ed1<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Bi_quyet_de_giai_mot_so_dang_toan_lop_3_thuong_gap\" >B\u00ed quy\u1ebft \u0111\u1ec3 gi\u1ea3i m\u1ed9t s\u1ed1 d\u1ea1ng to\u00e1n l\u1edbp 3 th\u01b0\u1eddng g\u1eb7p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Dang_1_Cac_bai_toan_lien_quan_den_cach_rut_don_vi\" >D\u1ea1ng 1: C\u00e1c b\u00e0i to\u00e1n li\u00ean quan \u0111\u1ebfn c\u00e1ch r\u00fat \u0111\u01a1n v\u1ecb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Dang_2_Mot_so_bai_toan_ve_y_nghia_cua_phep_nhan_va_phep_chia\" >D\u1ea1ng 2: M\u1ed9t s\u1ed1 b\u00e0i to\u00e1n v\u1ec1 \u00fd ngh\u0129a c\u1ee7a ph\u00e9p nh\u00e2n v\u00e0 ph\u00e9p chia<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Dang_3_Bai_toan_ve_gap_mot_so_len_nhieu_lan_giam_di_mot_so_lan\" >D\u1ea1ng 3: B\u00e0i to\u00e1n v\u1ec1 g\u1ea5p m\u1ed9t s\u1ed1 l\u00ean nhi\u1ec1u l\u1ea7n, gi\u1ea3m \u0111i m\u1ed9t 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-22\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Dang_4_Bai_toan_giai_tu_2_phep_tinh_tro_len\" >D\u1ea1ng 4: B\u00e0i to\u00e1n gi\u1ea3i t\u1eeb 2 ph\u00e9p t\u00ednh tr\u1edf l\u00ean<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Dang_5_Dang_toan_tim_mot_trong_cac_phan_bang_nhau_cua_mot_so\" >D\u1ea1ng 5: D\u1ea1ng to\u00e1n t\u00ecm m\u1ed9t trong c\u00e1c ph\u1ea7n b\u1eb1ng nhau c\u1ee7a m\u1ed9t s\u1ed1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.ckconitsha.com\/vn\/5-phuong-phap-giup-be-hoc-toan-lop-3-tai-nha-de-hoc-de-hieu\/#Dang_6_Bai_toan_ve_gap_len_mot_so_lan\" >D\u1ea1ng 6: B\u00e0i to\u00e1n v\u1ec1 g\u1ea5p l\u00ean m\u1ed9t s\u1ed1 l\u1ea7n<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">Hi\u1ec7n nay, n\u1ebfu ba m\u1eb9 qu\u00e1 b\u1eadn r\u1ed9n \u0111\u1ec3 c\u00f3 th\u1ec3 d\u1ea1y con h\u1ecdc to\u00e1n l\u1edbp 3 t\u1ea1i nh\u00e0? B\u1ea1n lo l\u1eafng v\u00ec kh\u00f4ng bi\u1ebft n\u00ean d\u1ea1y con b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2u? H\u00e3y tham kh\u1ea3o b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 t\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c to\u00e1n, ph\u01b0\u01a1ng ph\u00e1p d\u1ea1y v\u00e0 c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp c\u01a1 b\u1ea3n \u0111\u1ec3 gi\u00fap con t\u1ef1 tin h\u01a1n v\u1edbi m\u00f4n h\u1ecdc kh\u00f4 khan n\u00e0y nh\u00e9.<\/p>\n<p>                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/image\/600x480.png\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_kien_thuc_can_nam_khi_be_hoc_toan_lop_3\"><\/span>M\u1ed9t s\u1ed1 ki\u1ebfn th\u1ee9c c\u1ea7n n\u1eafm khi b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">M\u00f4n to\u00e1n c\u00f3 l\u1ebd s\u1ebd m\u1edbi l\u1ea1 v\u1edbi tr\u1ebb l\u1edbp 3 b\u1edfi v\u00ec l\u01b0\u1ee3ng ki\u1ebfn th\u1ee9c \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e2ng cao h\u01a1n so v\u1edbi l\u1edbp 1 v\u00e0 l\u1edbp 2. B\u00e9 s\u1ebd b\u1ecb b\u1ee1 ng\u1ee1 v\u1edbi nh\u1eefng ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc v\u1ec1 \u0111o l\u01b0\u1eddng, h\u00ecnh kh\u1ed1i,&#8230; V\u00ec th\u1ebf, trong th\u1eddi gian b\u00e9 chu\u1ea9n b\u1ecb l\u00ean l\u1edbp 3, ba m\u1eb9 h\u00e3y h\u1ec7 th\u1ed1ng v\u00e0 \u0111\u1eb7t ra m\u1ee5c ti\u00eau m\u00e0 con ph\u1ea3i bi\u1ebft l\u00e0:\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">N\u1eafm b\u1eaft \u0111\u01b0\u1ee3c c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp to\u00e1n l\u1edbp 3 c\u00f3 t\u1eeb m\u1ed9t \u0111\u1ebfn hai l\u1eddi gi\u1ea3i.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ghi nh\u1edb t\u1ed1t c\u00e1c \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng: m, cm, dm, kg,&#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c \u0111\u01a1n v\u1ecb v\u1ec1 th\u1eddi gian.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Hi\u1ec3u \u0111\u01b0\u1ee3c l\u00fd thuy\u1ebft v\u1ec1 kh\u00e1i ni\u1ec7m di\u1ec7n t\u00edch, nh\u1edb c\u00e1c c\u00f4ng th\u1ee9c h\u00ecnh kh\u1ed1i.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u00e0m \u0111\u01b0\u1ee3c c\u00e1c d\u1ea1ng to\u00e1n ph\u00e9p chia h\u1ebft v\u00e0 ph\u00e9p chia c\u00f3 d\u01b0.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1eb7c bi\u1ec7t, b\u00e9 c\u1ea7n ghi nh\u1edb b\u1ea3ng c\u1eedu ch\u01b0\u01a1ng v\u00e0 c\u00e1c d\u1ea5u hi\u1ec7u chia h\u1ebft.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i ti\u1ec1n t\u1ec7 v\u00e0 m\u1ec7nh gi\u00e1 c\u1ee7a ti\u1ec1n Vi\u1ec7t Nam.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Th\u00f4ng qua nh\u1eefng ki\u1ebfn th\u1ee9c tr\u00ean, n\u1ebfu b\u00e9 \u0111\u1ec1u nh\u1eadn bi\u1ebft v\u00e0 l\u00e0m b\u00e0i t\u1eadp t\u1ed1t v\u1ec1 ch\u00fang s\u1ebd t\u1ea1o b\u01b0\u1edbc \u0111\u1ec7m cho c\u00e1c m\u00f4n h\u1ecdc kh\u00e1c c\u0169ng nh\u01b0 to\u00e1n n\u00e2ng cao. V\u00ec th\u1ebf, vi\u1ec7c h\u1ec7 th\u1ed1ng m\u1ee5c ti\u00eau ki\u1ebfn th\u1ee9c \u0111\u1ec3 con n\u1eafm \u0111\u01b0\u1ee3c trong ch\u01b0\u01a1ng tr\u00ecnh to\u00e1n l\u1edbp 3 n\u00e2ng cao c\u0169ng nh\u01b0 c\u01a1 b\u1ea3n l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Goi_y_cac_phan_mem_ho_tro_khi_ba_me_day_them_toan_lop_3_tai_nha_cho_con\"><\/span>G\u1ee3i \u00fd c\u00e1c ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 khi ba m\u1eb9 d\u1ea1y th\u00eam to\u00e1n l\u1edbp 3 t\u1ea1i nh\u00e0 cho con<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 gi\u00fap b\u00e9 h\u1ecdc to\u00e1n t\u1ea1i nh\u00e0 hi\u1ec7u qu\u1ea3, b\u1ed1 m\u1eb9 n\u00ean \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn nh\u1eefng \u1ee9ng d\u1ee5ng, ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 h\u1ecdc to\u00e1n s\u1ebd ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n m\u00e0 b\u1ed1 m\u1eb9 kh\u00f4ng c\u1ea7n qu\u00e1 nhi\u1ec1u k\u1ef9 n\u0103ng \u0111\u1ec3 d\u1ea1y. N\u1ebfu ba m\u1eb9 \u0111ang ph\u00e2n v\u00e2n kh\u00f4ng bi\u1ebft n\u00ean l\u1ef1a ch\u1ecdn c\u00e1c ph\u1ea7n m\u1ec1m d\u1ea1y to\u00e1n l\u1edbp 3 online n\u00e0o v\u1eeba an to\u00e0n v\u1eeba uy t\u00edn cho b\u00e9 h\u1ecdc th\u00ec h\u00e3y tham kh\u1ea3o ngay d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Shining_Home_%E2%80%93_Gia_dinh_Anh_Ngu_Math_%E2%80%93_Ung_dung_hoc_duoc_nhieu_gia_dinh_Viet_lua_chon\"><\/span>Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math &#8211; \u1ee8ng d\u1ee5ng h\u1ecdc \u0111\u01b0\u1ee3c nhi\u1ec1u gia \u0111\u00ecnh Vi\u1ec7t l\u1ef1a ch\u1ecdn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">L\u00e0 \u1ee9ng d\u1ee5ng d\u1ea1y to\u00e1n t\u01b0 duy ti\u1ebfng Anh h\u00e0ng \u0111\u1ea7u Vi\u1ec7t Nam, h\u01b0\u1edbng \u0111\u1ebfn ph\u00e1t tri\u1ec3n n\u0103ng l\u1ef1c v\u00e0 k\u1ef9 n\u0103ng cho b\u00e9 l\u00e0 m\u1ed9t s\u1ef1 l\u1ef1a ch\u1ecdn \u0111ang \u0111\u01b0\u1ee3c h\u00e0ng tri\u1ec7u b\u1ed1 m\u1eb9 tin d\u00f9ng.<\/p>\n<p dir=\"ltr\">Kh\u00f4ng d\u1eebng l\u1ea1i \u1edf m\u1ed9t m\u00f4n to\u00e1n kh\u00f4 khan m\u00e0 th\u00f4ng qua\u00a0Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math, c\u00f2n cho con th\u1ef1c h\u00e0nh, tr\u1ea3i nghi\u1ec7m c\u00e1c tr\u00f2 ch\u01a1i th\u00fa v\u1ecb trong m\u1ed7i b\u00e0i h\u1ecdc. \u0110\u1ec3 qua \u0111\u00f3, con b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c l\u0129nh h\u1ed9i c\u00e1c ki\u1ebfn th\u1ee9c m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng, t\u1ef1 nhi\u00ean m\u00e0 kh\u00f4ng b\u1ecb qu\u00e1 t\u1ea3i, c\u0169ng nh\u01b0 c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 h\u1ee9ng th\u00fa khi h\u1ecdc t\u1eadp h\u01a1n.<\/p>\n<p dir=\"ltr\">\u1ee8ng d\u1ee5ng hi\u1ec7n c\u00f3 h\u01a1n 10.000 ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u00e1c v\u1eeba h\u1ecdc v\u1eeba ch\u01a1i thu\u1ed9c h\u01a1n 60 ch\u1ee7 \u0111\u1ec1 to\u00e1n h\u1ecdc \u0111\u01b0\u1ee3c ph\u00e2n chia th\u00e0nh nhi\u1ec1u c\u1ea5p \u0111\u1ed9, ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi l\u1ee9a tu\u1ed5i t\u1eeb c\u1ea5p M\u1ea7m non \u0111\u1ebfn Ti\u1ec3u h\u1ecdc. Ngo\u00e0i ra, Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math, tr\u1ebb s\u1ebd kh\u00f4ng c\u00f2n n\u1ed7i lo v\u1ec1 to\u00e1n m\u00e0 c\u00f2n l\u00e0m ch\u1ee7 c\u00e1c ki\u1ebfn th\u1ee9c th\u00f4ng qua vi\u1ec7c \u0111\u01b0\u1ee3c h\u1ecdc, \u0111\u01b0\u1ee3c ch\u01a1i, th\u1ef1c h\u00e0nh v\u00e0 t\u1ef1 luy\u1ec7n t\u1eadp.<\/p>\n<p dir=\"ltr\">V\u1ec1 c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a \u1ee9ng d\u1ee5ng, c\u00e1c video b\u00e0i gi\u1ea3ng b\u1eb1ng giao di\u1ec7n ho\u1ea1t h\u00ecnh ng\u1ed9 ngh\u0129nh, ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc \u0111\u01b0\u1ee3c c\u00e1 nh\u00e2n h\u00f3a theo t\u1eebng \u0111\u1ed1i t\u01b0\u1ee3ng, h\u1ecdc \u1edf m\u1ecdi l\u00fac m\u1ecdi n\u01a1i v\u1edbi t\u1ed1i \u0111a 3 h\u1ed3 s\u01a1 ng\u01b0\u1eddi h\u1ecdc tr\u00ean c\u00f9ng m\u1ed9t t\u00e0i kho\u1ea3n. Nh\u1eefng \u01b0u \u0111i\u1ec3m tr\u00ean \u0111\u00e3 \u0111em \u0111\u1ebfn cho ba m\u1eb9 m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1eafc l\u1ef1c gi\u00fap b\u00e9 gi\u1ecfi to\u00e1n m\u00e0 kh\u00f4ng c\u1ea7n s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a ph\u1ee5 huynh.<\/p>\n<p dir=\"ltr\">B\u1ed1 m\u1eb9 c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef th\u00f4ng qua video sau \u0111\u00e2y:<\/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<p dir=\"ltr\" style=\"text-align: left\">T\u1ea3i Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef Math cho \u0111i\u1ec7n tho\u1ea1i Android<\/p>\n<p dir=\"ltr\" style=\"text-align: left\">T\u1ea3i 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=\"Ung_dung_hoc_Kien_Guru\"><\/span>\u1ee8ng d\u1ee5ng h\u1ecdc Ki\u1ebfn Guru<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u1ede \u0111\u00e2y, b\u1ea1n c\u00f3 th\u1ec3 cho con m\u00ecnh luy\u1ec7n t\u1eadp v\u1edbi ng\u00e2n h\u00e0ng c\u00e2u h\u1ecfi v\u00e0 \u0111\u1ec1 thi v\u00f4 c\u00f9ng \u0111a d\u1ea1ng. K\u00e8m theo m\u1ed7i \u0111\u1ec1 thi th\u1eed s\u1ebd c\u00f3 \u0111\u00e1p \u00e1n v\u00e0 gi\u1ea3i th\u00edch c\u1ee5 th\u1ec3. C\u00e1c b\u00e0i gi\u1ea3ng th\u00ec tr\u1ef1c quan, sinh \u0111\u1ed9ng c\u00f9ng v\u1edbi \u0111\u1ed3 h\u1ecda \u00e2m thanh hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 b\u00e9 ti\u1ebfp thu ki\u1ebfn th\u1ee9c d\u1ec5 d\u00e0ng. Ngo\u00e0i ra, Ki\u1ebfn Guru c\u0169ng l\u00e0 n\u01a1i trao \u0111\u1ed5i b\u00e0i h\u1ecdc ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed n\u1eefa nh\u00e9.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Huong_dan_hoc_toan_lop_3_voi_phan_mem_Hoc_Tot\"><\/span>H\u01b0\u1edbng d\u1eabn h\u1ecdc to\u00e1n l\u1edbp 3 v\u1edbi ph\u1ea7n m\u1ec1m H\u1ecdc T\u1ed1t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">L\u00e0 ph\u1ea7n m\u1ec1m h\u1ecdc to\u00e1n l\u1edbp 3 tr\u1ef1c tuy\u1ebfn cho b\u00e9 d\u1ec5 d\u00e0ng so s\u00e1nh k\u1ebft qu\u1ea3 b\u00e0i t\u1eadp c\u1ee7a m\u00ecnh, ch\u1ecdn l\u1ecdc v\u00e0 t\u00f3m t\u1eaft c\u00e1c l\u00fd thuy\u1ebft c\u1ee7a s\u00e1ch gi\u00e1o khoa m\u1ed9t c\u00e1ch tr\u1ef1c quan v\u00e0 d\u1ec5 hi\u1ec3u. C\u00e1c t\u00ednh n\u0103ng n\u1ed5i b\u1eadt \u1edf H\u1ecdc T\u1ed1t ch\u00ednh l\u00e0: <em>S\u00e1ch gi\u1ea3i b\u00e0i t\u1eadp k\u00e8m \u0111\u00e1p \u00e1n chi ti\u1ebft, cung c\u1ea5p c\u00e1c c\u00f4ng th\u1ee9c th\u00f4ng d\u1ee5ng c\u00f9ng v\u1edbi chuy\u00ean m\u1ee5c h\u1ecfi \u0111\u00e1p v\u1edbi \u0111\u1ed9i ng\u0169 gi\u00e1o vi\u00ean chuy\u00ean nghi\u1ec7p.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phan_mem_cung_hoc_toan_lop_3\"><\/span>Ph\u1ea7n m\u1ec1m c\u00f9ng h\u1ecdc to\u00e1n l\u1edbp 3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">L\u00e0 ph\u1ea7n m\u1ec1m d\u00f9ng \u0111\u1ec3 cho h\u1ecdc sinh \u00f4n luy\u1ec7n to\u00e1n d\u1ec5 d\u00e0ng h\u01a1n, l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1ec3 n\u00e2ng cao ki\u1ebfn th\u1ee9c th\u00f4ng qua c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp g\u1ea7n g\u0169i v\u1edbi ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc tr\u00ean l\u1edbp.<\/p>\n<p dir=\"ltr\">Ph\u1ea1m vi ki\u1ebfn th\u1ee9c \u0111a d\u1ea1ng: \u00d4n t\u1eadp c\u00e1c s\u1ed1 c\u00f3 3 ch\u1eef s\u1ed1, c\u00e1c ph\u00e9p t\u00ednh c\u01a1 b\u1ea3n, l\u00e0m quen v\u1edbi s\u1ed1 c\u00f3 4 ch\u1eef s\u1ed1 v\u00e0 c\u1ed9ng tr\u1eeb trong ph\u1ea1m vi 10.000,&#8230;<\/p>\n<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_phuong_phap_de_day_tre_hoc_toan_lop_3_tai_nha_hieu_qua\"><\/span>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 d\u1ea1y tr\u1ebb h\u1ecdc to\u00e1n l\u1edbp 3 t\u1ea1i nh\u00e0 hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau vi\u1ec7c \u0111\u1eb7t m\u1ee5c ti\u00eau v\u1ec1 l\u01b0\u1ee3ng ki\u1ebfn th\u1ee9c m\u00e0 con s\u1ebd n\u1eafm \u0111\u01b0\u1ee3c trong qu\u00e1 tr\u00ecnh h\u1ecdc to\u00e1n l\u1edbp 3, ba m\u1eb9 c\u0169ng c\u1ea7n t\u00ecm nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau \u0111\u00f3. V\u00ec n\u1ebfu b\u00e9 kh\u00f4ng c\u00f3 m\u1ed9t b\u00ed quy\u1ebft h\u1ecdc t\u1eadp ri\u00eang th\u00ec ki\u1ebfn th\u1ee9c s\u1ebd d\u1ec5 b\u1ecb r\u1ed1i, khi\u1ebfn vi\u1ec7c h\u1ecdc to\u00e1n tr\u1edf th\u00e0nh n\u1ed7i s\u1ee3 h\u00e3i cho tr\u1ebb.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Sap_xep_thoi_gian_hoc_hop_ly_%E2%80%93_Phuong_phap_giup_be_hoc_toan_lop_3_thong_minh\"><\/span>S\u1eafp x\u1ebfp th\u1eddi gian h\u1ecdc h\u1ee3p l\u00fd &#8211; Ph\u01b0\u01a1ng ph\u00e1p gi\u00fap b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 3 th\u00f4ng minh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">N\u1ebfu ch\u00fang ta b\u1eaft tr\u1ebb h\u1ecdc b\u1ea5t c\u1ee9 khi n\u00e0o b\u1ea3n th\u00e2n mu\u1ed1n th\u00ec th\u1eadt kh\u00f3 \u0111\u1ec3 con c\u00f3 th\u1ec3 tho\u1ea3i m\u00e1i ti\u1ebfp nh\u1eadn ki\u1ebfn th\u1ee9c th\u1eadm ch\u00ed c\u00f2n g\u00e2y n\u00ean t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i. V\u00ec th\u1ebf, vi\u1ec7c s\u1eafp x\u1ebfp th\u1eddi gian h\u1ecdc t\u1eadp h\u1ee3p l\u00fd r\u1ea5t quan tr\u1ecdng, n\u00f3 gi\u00fap c\u00e1c em ti\u1ebft ki\u1ec7m t\u1ed1i \u0111a c\u00f4ng s\u1ee9c \u0111\u1ec3 ho\u00e0n th\u00e0nh t\u1ed1t b\u00e0i h\u01a1n.<\/p>\n<p dir=\"ltr\">Ngo\u00e0i ra, b\u00e9 s\u1ebd ch\u1ee7 \u0111\u1ed9ng h\u01a1n trong h\u1ecdc t\u1eadp v\u00ec bi\u1ebft \u0111\u01b0\u1ee3c b\u1ea3n th\u00e2n m\u00ecnh c\u1ea7n h\u1ecdc v\u00e0 t\u1eadp trung h\u01a1n trong nh\u1eefng kho\u1ea3ng th\u1eddi gian c\u1ed1 \u0111\u1ecbnh. C\u00e2n b\u1eb1ng t\u1ed1t th\u1eddi gian v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 h\u1ecdc, c\u00f3 \u0111\u1ed9ng l\u1ef1c \u0111\u1ec3 ho\u00e0n th\u00e0nh m\u1ee5c ti\u00eau ng\u1eafn hay d\u00e0i h\u1ea1n.<\/p>\n<p dir=\"ltr\">Do v\u1eady, h\u00e3y c\u00f3 kho\u1ea3ng ngh\u1ec9, th\u01b0 gi\u00e3n t\u1eeb 20 &#8211; 30p sau khi \u0111\u00e3 h\u1ecdc 60 ph\u00fat li\u00ean t\u1ee5c.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Luyen_hoc_toan_lop_3_bang_cach_tao_thoi_quen_tu_hoc_cho_be\"><\/span>Luy\u1ec7n h\u1ecdc to\u00e1n l\u1edbp 3 b\u1eb1ng c\u00e1ch t\u1ea1o th\u00f3i quen t\u1ef1 h\u1ecdc cho b\u00e9\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Vi\u1ec7c t\u1ea1o t\u00ednh t\u1ef1 h\u1ecdc cho b\u00e9 kh\u00f4ng ch\u1ec9 l\u00e0 l\u1ee3i th\u1ebf ri\u00eang m\u00f4n to\u00e1n m\u00e0 h\u1ea7u nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c m\u00f4n v\u00e0 khi c\u00e0ng l\u1edbn th\u00ec t\u00ednh ch\u1ee7 \u0111\u1ed9ng t\u1ef1 h\u1ecdc s\u1ebd gi\u00fap b\u00e9 r\u1ea5t nhi\u1ec1u trong cu\u1ed9c s\u1ed1ng.<\/p>\n<p dir=\"ltr\">Vi\u1ec7c \u0111\u01a1n gi\u1ea3n nh\u1ea5t ch\u1ec9 l\u00e0 h\u00e3y t\u1ea1o cho con m\u00ecnh m\u1ed9t g\u00f3c h\u1ecdc t\u1eadp th\u00edch h\u1ee3p nh\u01b0: <em>Tr\u00e1nh xa tivi, xa \u0111\u1ed3 ch\u01a1i, \u0111\u1ea7y \u0111\u1ee7 \u00e1nh s\u00e1ng v\u00e0 chi\u1ec1u cao b\u00e0n h\u1ecdc v\u1eeba v\u1edbi chi\u1ec1u cao c\u1ee7a con.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Da_dang_cac_phuong_phap_khi_day_de_be_vui_hoc_toan_lop_3\"><\/span>\u0110a d\u1ea1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p khi d\u1ea1y \u0111\u1ec3 b\u00e9 vui h\u1ecdc to\u00e1n l\u1edbp 3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ed1i v\u1edbi tr\u1ebb, ki\u1ebfn th\u1ee9c m\u00f4n to\u00e1n th\u01b0\u1eddng r\u1ea5t kh\u00f4 khan v\u00e0 logic, v\u00ec th\u1ebf c\u00f3 nhi\u1ec1u b\u00e9 s\u1ebd kh\u00f3 ti\u1ebfp thu v\u00e0 t\u1eeb \u0111\u00f3 lu\u00f4n g\u1eb7p kh\u00f3 kh\u0103n trong qu\u00e1 tr\u00ecnh h\u1ecdc to\u00e1n. N\u00ean ba m\u1eb9 c\u1ea7n bi\u1ebft \u0111a d\u1ea1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p d\u1ea1y h\u1ecdc \u0111\u1ec3 t\u00ecm \u0111\u01b0\u1ee3c c\u00e1ch d\u1ea1y ph\u00f9 h\u1ee3p v\u1edbi t\u00e2m l\u00fd tr\u1ebb.<\/p>\n<p dir=\"ltr\">B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed3 d\u00f9ng khi d\u1ea1y \u0111\u1ec3 gi\u00fap b\u00e9 h\u00ecnh dung \u0111\u01b0\u1ee3c ki\u1ec3u c\u00e1ch hay h\u00ecnh d\u1ea1ng, cho con \u00f4n l\u1ea1i l\u00fd thuy\u1ebft b\u1eb1ng s\u01a1 \u0111\u1ed3 t\u01b0 duy, th\u1ef1c h\u00e0nh l\u00e0m b\u00e0i t\u1eadp d\u1ef1a tr\u00ean c\u00e1c ph\u1ea7n m\u1ec1m h\u1ecdc to\u00e1n mi\u1ec5n ph\u00ed,&#8230;\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hoc_thong_qua_cac_tro_choi\"><\/span>H\u1ecdc th\u00f4ng qua c\u00e1c tr\u00f2 ch\u01a1i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u1ed5 ch\u1ee9c ch\u01a1i game to\u00e1n l\u1edbp 3 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi \u0111\u1ee9a tr\u1ebb. V\u00ec c\u00e1c b\u00e9 \u1edf \u0111\u1ed9 tu\u1ed5i n\u00e0y v\u1eabn c\u00f2n s\u1ef1 ham ch\u01a1i thay v\u00ec c\u1ee9 c\u1eb7m c\u1ee5i v\u00e0o b\u00e0n h\u1ecdc. Do v\u1eady, b\u1ea1n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 tr\u00f2 ch\u01a1i k\u1ebft h\u1ee3p v\u1edbi m\u00f4n to\u00e1n \u0111\u1ec3 tr\u1ebb v\u1eeba \u00f4n l\u1ea1i ki\u1ebfn th\u1ee9c v\u1eeba c\u1ea3m th\u1ea5y th\u01b0 gi\u00e3n nh\u00e9.\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ghi_nhan_va_khuyen_khich_con_hoc_thong_qua_nhieu_cach\"><\/span>Ghi nh\u1eadn v\u00e0 khuy\u1ebfn kh\u00edch con h\u1ecdc th\u00f4ng qua nhi\u1ec1u c\u00e1ch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Nh\u1eefng l\u1eddi khen v\u00e0 khuy\u1ebfn kh\u00edch s\u1ebd lu\u00f4n l\u00e0 c\u00e1ch d\u1ea1y h\u1ecdc to\u00e1n l\u1edbp 3 mang l\u1ea1i nhi\u1ec1u \u0111\u1ed9ng l\u1ef1c cho con nh\u1ea5t. B\u1edfi v\u00ec ch\u00ednh l\u1eddi khen v\u00e0 \u0111\u1ed9ng vi\u00ean c\u1ee7a gia \u0111\u00ecnh s\u1ebd gi\u00fap b\u00e9 c\u00f3 nh\u1eefng suy ngh\u0129 t\u00edch c\u1ef1c v\u1ec1 b\u1ea3n th\u00e2n, m\u1eb7c d\u00f9 tr\u1ebb c\u00f3 l\u00e0m b\u00e0i sai hay ch\u01b0a hi\u1ec3u b\u00e0i th\u00ec v\u1eabn th\u00fac \u0111\u1ea9y cho con ti\u1ebfp t\u1ee5c n\u1ed7 l\u1ef1c nhi\u1ec1u h\u01a1n.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Nhung_sai_lam_thuong_gap_khi_ba_me_day_con_hoc_toan_lop_3_tai_nha\"><\/span>Nh\u1eefng sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p khi ba m\u1eb9 d\u1ea1y con h\u1ecdc to\u00e1n l\u1edbp 3 t\u1ea1i nh\u00e0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Song v\u1edbi nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p d\u1ea1y h\u1ecdc th\u00ec m\u1ed9t s\u1ed1 gia \u0111\u00ecnh Vi\u1ec7t v\u1eabn th\u01b0\u1eddng m\u1eafc c\u00e1c sai l\u1ea7m sau \u0111\u00e2y:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"La_mang_khi_be_cham_hieu_bai_va_quen_cac_kien_thuc_cu\"><\/span>La m\u1eafng khi b\u00e9 ch\u1eadm hi\u1ec3u b\u00e0i v\u00e0 qu\u00ean c\u00e1c ki\u1ebfn th\u1ee9c c\u0169<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">V\u1ea5n \u0111\u1ec1 n\u00e0y l\u00e0m \u1ea3nh h\u01b0\u1edfng r\u1ea5t n\u1eb7ng \u0111\u1ebfn t\u00e2m l\u00fd con m\u00ecnh d\u1eabn \u0111\u1ebfn s\u1ef1 t\u1ef1 tin c\u1ee7a b\u00e9 b\u1ecb gi\u1ea3m s\u00fat, con kh\u00f4ng d\u00e1m t\u01b0 duy khi\u1ebfn tr\u1ebb thu m\u00ecnh l\u1ea1i v\u00ec s\u1ee3 h\u00e3i. Thay v\u00e0o \u0111\u00f3, m\u1ed9t v\u00e0i l\u1eddi khuy\u00ean c\u00f3 c\u00e1nh s\u1ebd l\u00e0 c\u00e1ch gi\u00fap b\u00e9 h\u1ecdc to\u00e1n l\u1edbp 3 t\u1ea1i nh\u00e0 hi\u1ec7u qu\u1ea3, h\u00e3y t\u1ea1o m\u1ed9t m\u00f4i tr\u01b0\u1eddng y\u00ean t\u0129nh v\u00e0 \u0111\u1ec3 tr\u1ebb c\u00f3 kh\u00f4ng gian ri\u00eang th\u1ecfa s\u1ee9c v\u1edbi t\u01b0 duy \u0111\u1ec3 l\u00e0m b\u00e0i.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"So_sanh_be_voi_ban_be_dong_trang_lua\"><\/span>So s\u00e1nh b\u00e9 v\u1edbi b\u1ea1n b\u00e8 \u0111\u1ed3ng trang l\u1ee9a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi ba m\u1eb9 li\u00ean t\u1ee5c so s\u00e1nh con m\u00ecnh v\u1edbi ng\u01b0\u1eddi kh\u00e1c d\u1ec5 h\u00ecnh th\u00e0nh trong b\u00e9 l\u1ed1i suy ngh\u0129 s\u1ebd kh\u00f4ng bao gi\u1edd c\u00f3 th\u1ec3 gi\u1ecfi h\u01a1n ng\u01b0\u1eddi ta v\u00e0 ch\u00ednh m\u00ecnh kh\u00f4ng c\u00f3 n\u0103ng l\u1ef1c. T\u1eeb \u0111\u00f3, b\u00e9 s\u1ed1ng theo s\u1ef1 mong mu\u1ed1n v\u00e0 k\u1ef3 v\u1ecdng c\u1ee7a gia \u0111\u00ecnh m\u00e0 qu\u00ean m\u1ea5t m\u1ee5c ti\u00eau c\u1ee7a b\u1ea3n th\u00e2n d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n tinh th\u1ea7n c\u1ee7a con \u0111i theo h\u01b0\u1edbng ti\u00eau c\u1ef1c.<\/p>\n<p dir=\"ltr\">Thay v\u00ec h\u1ea1 th\u1ea5p con \u0111\u1ec3 tr\u1ebb th\u1ea5y m\u00ecnh c\u1ea7n c\u1ed1 g\u1eafng th\u00ec h\u00e3y khuy\u1ebfn kh\u00edch b\u00e9 kh\u1eafc ph\u1ee5c nh\u1eefng \u0111i\u1ec3m y\u1ebfu khen ng\u1ee3i nh\u1eefng \u0111i\u1ec3m m\u1ea1nh, ch\u1eb3ng h\u1ea1n: Con lu\u00f4n \u0111\u1ecdc k\u0129 \u0111\u1ec1 tr\u01b0\u1edbc khi l\u00e0m, nghi\u00eam t\u00fac h\u1ecdc v\u00e0 c\u00f3 tr\u00e1ch nhi\u1ec7m v\u1edbi c\u00e1c m\u00f4n h\u1ecdc.\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Khong_co_su_linh_hoat_trong_viec_sap_xep_thoi_gian_hoc_cua_tre\"><\/span>Kh\u00f4ng c\u00f3 s\u1ef1 linh ho\u1ea1t trong vi\u1ec7c s\u1eafp x\u1ebfp th\u1eddi gian h\u1ecdc c\u1ee7a tr\u1ebb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">N\u1ebfu vi\u1ec7c con h\u1ecdc tr\u00ean tr\u01b0\u1eddng, h\u1ecdc \u1edf c\u00e1c trung t\u00e2m k\u00e8m theo vi\u1ec7c h\u1ecdc to\u00e1n t\u1ea1i nh\u00e0 v\u1edbi th\u1eddi gian kh\u00f4ng c\u1ed1 \u0111\u1ecbnh s\u1ebd khi\u1ebfn b\u00e9 c\u1ea3m th\u1ea5y m\u1ec7t m\u1ecfi v\u00e0 ch\u00e1n n\u1ea3n. V\u00e0 v\u00ec l\u1edbp 3 th\u00ec tu\u1ed5i b\u00e9 v\u1eabn c\u00f2n r\u1ea5t nh\u1ecf \u0111\u1ec3 c\u00f3 th\u1ec3 \u00e9p h\u1ecdc n\u00ean c\u00e1c ba m\u1eb9 h\u00e3y t\u1ea1o l\u1eadp m\u1ed9t th\u1eddi gian bi\u1ec3u c\u1ee5 th\u1ec3 v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi con m\u00ecnh nh\u00e9.\u00a0<\/p>\n<p dir=\"ltr\">\u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap con x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c gi\u1edd b\u1ea3n th\u00e2n v\u00e0o b\u00e0n h\u1ecdc v\u00e0 t\u1eadp trung t\u1ed1t trong kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh. Ngo\u00e0i gi\u1edd h\u1ecdc th\u00ec h\u00e3y cho ph\u00e9p b\u00e9 tho\u1ea3i m\u00e1i vui ch\u01a1i, xem tivi gi\u1ea3i tr\u00ed m\u00e0 kh\u00f4ng b\u1ecb \u00e1p l\u1ef1c h\u1ecdc t\u1eadp. Ngo\u00e0i ra, nh\u1eefng app v\u1eeba h\u1ecdc v\u1eeba ch\u01a1i c\u0169ng l\u00e0 m\u1ed9t s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t \u0111\u1ed1i v\u1edbi tr\u1ebb \u0111\u1ea5y.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Gay_ap_luc_ve_mat_thanh_tich_va_diem_so\"><\/span>G\u00e2y \u00e1p l\u1ef1c v\u1ec1 m\u1eb7t th\u00e0nh t\u00edch v\u00e0 \u0111i\u1ec3m s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u1ede \u0111\u1ed9 tu\u1ed5i c\u1ee7a con th\u00ec ngo\u00e0i vi\u1ec7c h\u1ecdc t\u1eadp b\u00e9 c\u00f2n c\u1ea7n ph\u00e1t tri\u1ec3n v\u1ec1 m\u1eb7t tinh th\u1ea7n v\u00e0 th\u1ec3 ch\u1ea5t. V\u00ec th\u1ebf, n\u1ebfu t\u1ea1o n\u00ean s\u1ef1 \u00e1p l\u1ef1c cho con qu\u00e1 s\u1edbm d\u1ec5 khi\u1ebfn tr\u1ebb b\u1ecb b\u1ebf t\u1eafc v\u00e0 c\u1ea3m th\u1ea5y \u201cs\u1ee3 h\u1ecdc\u201d.<\/p>\n<p dir=\"ltr\">Th\u00e0nh t\u00edch v\u00e0 \u0111i\u1ec3m s\u1ed1 ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n ph\u1ea3n \u00e1nh n\u0103ng l\u1ef1c h\u1ecdc t\u1eadp c\u1ee7a con, n\u1ebfu vi\u1ec7c c\u1ed1 g\u1eafng c\u1ee7a tr\u1ebb \u0111i ng\u01b0\u1ee3c l\u1ea1i v\u1edbi k\u1ebft qu\u1ea3 thay v\u00ec la m\u1eafng th\u00ec ba m\u1eb9 h\u00e3y chia s\u1ebb c\u00f9ng con. \u0110\u1eebng l\u1ea5y s\u1ef1 mong mu\u1ed1n c\u1ee7a b\u1ea3n th\u00e2n m\u00e0 t\u1ea1o n\u00ean \u00e1p l\u1ef1c cho con tr\u1ebb, \u0111i\u1ec1u n\u00e0y v\u00f4 t\u00ecnh khi\u1ebfn tu\u1ed5i th\u01a1 c\u1ee7a b\u00e9 kh\u00f4ng c\u00f2n vui t\u01b0\u01a1i n\u1eefa.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bi_quyet_de_giai_mot_so_dang_toan_lop_3_thuong_gap\"><\/span>B\u00ed quy\u1ebft \u0111\u1ec3 gi\u1ea3i m\u1ed9t s\u1ed1 d\u1ea1ng to\u00e1n l\u1edbp 3 th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 d\u1ea1ng b\u00e0i t\u1eadp c\u01a1 b\u1ea3n khi c\u00e1c em h\u1ecdc to\u00e1n l\u1edbp 3 th\u01b0\u1eddng g\u1eb7p:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_1_Cac_bai_toan_lien_quan_den_cach_rut_don_vi\"><\/span>D\u1ea1ng 1: C\u00e1c b\u00e0i to\u00e1n li\u00ean quan \u0111\u1ebfn c\u00e1ch r\u00fat \u0111\u01a1n v\u1ecb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u1ede d\u1ea1ng n\u00e0y, y\u00eau c\u1ea7u c\u00e1c em ph\u1ea3i n\u1eafm \u0111\u01b0\u1ee3c 3 y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n: D\u1eef ki\u1ec7n m\u00e0 \u0111\u1ec1 \u0111\u00e3 cho, nh\u1eefng \u1ea9n s\u1ed1 trong b\u00e0i v\u00e0 nh\u1eefng \u0111i\u1ec1u ki\u1ec7n li\u00ean quan \u0111\u1ebfn \u1ea9n s\u1ed1. Ch\u1eb3ng h\u1ea1n:<\/p>\n<p dir=\"ltr\"><em>B\u00e0i 1: C\u00f3 t\u1ea5t c\u1ea3 8 bao g\u1ea1o v\u00e0 t\u1ed5ng s\u1ed1 g\u1ea1o l\u00e0 448kg. H\u1ecfi n\u1ebfu c\u00f3 5 bao g\u1ea1o nh\u01b0 th\u1ebf th\u00ec n\u1eb7ng bao nhi\u00eau kg?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:<\/em><\/p>\n<p dir=\"ltr\"><em>M\u1ed7i bao \u0111\u1ef1ng t\u1ed5ng s\u1ed1 ki l\u00f4 gam l\u00e0: 448 : 8 = 56 (kg)<\/em><\/p>\n<p dir=\"ltr\"><em>5 bao g\u1ea1o \u0111\u1ef1ng \u0111\u01b0\u1ee3c s\u1ed1 ki l\u00f4 gam l\u00e0: 56 x 5 = 280 (kg)<\/em><\/p>\n<p dir=\"ltr\"><em>V\u1eady 5 bao g\u1ea1o \u0111\u1ef1ng \u0111\u01b0\u1ee3c 280kg.<\/em><\/p>\n<p dir=\"ltr\"><em>B\u00e0i 2: Minh c\u00f3 6 h\u1ed9p k\u1eb9o v\u00e0 cho b\u1ea1n h\u1ebft 24 vi\u00ean k\u1eb9o v\u00e0 Minh ch\u1ec9 c\u00f2n l\u1ea1i 4 h\u1ed9p k\u1eb9o c\u00f2n nguy\u00ean. H\u1ecfi: T\u1ed5ng s\u1ed1 vi\u00ean k\u1eb9o m\u00e0 Minh c\u00f3 \u0111\u01b0\u1ee3c l\u00e0 bao nhi\u00eau?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:<\/em><\/p>\n<p dir=\"ltr\"><em>24 vi\u00ean k\u1eb9o \u1ee9ng v\u1edbi s\u1ed1 h\u1ed9p k\u1eb9o c\u00f2n nguy\u00ean l\u00e0: 6 &#8211; 4 = 2 (h\u1ed9p)<\/em><\/p>\n<p dir=\"ltr\"><em>M\u1ed7i h\u1ed9p s\u1ebd c\u00f3 s\u1ed1 vi\u00ean k\u1eb9o l\u00e0: 24 : 2 = 12 (vi\u00ean)<\/em><\/p>\n<p dir=\"ltr\"><em>V\u1eady Minh c\u00f3 t\u1ea5t c\u1ea3 s\u1ed1 vi\u00ean k\u1eb9o l\u00e0: 12 x 6 = 72 (vi\u00ean)\u00a0<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_2_Mot_so_bai_toan_ve_y_nghia_cua_phep_nhan_va_phep_chia\"><\/span>D\u1ea1ng 2: M\u1ed9t s\u1ed1 b\u00e0i to\u00e1n v\u1ec1 \u00fd ngh\u0129a c\u1ee7a ph\u00e9p nh\u00e2n v\u00e0 ph\u00e9p chia<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">V\u1edbi d\u1ea1ng 2 &#8211; b\u00e0i to\u00e1n v\u1ec1 \u00fd ngh\u0129a c\u1ee7a ph\u00e9p nh\u00e2n v\u00e0 ph\u00e9p chia, b\u00e9 s\u1ebd l\u00e0m b\u00e0i v\u1edbi ba b\u01b0\u1edbc ch\u00ednh: Th\u1ee9 nh\u1ea5t l\u00e0 t\u00f3m t\u1eaft \u0111\u1ec1,\u00a0 th\u1ee9 2 h\u00e3y vi\u1ebft l\u1eddi gi\u1ea3i v\u00e0 th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 k\u1ebft lu\u1eadn.<\/p>\n<p dir=\"ltr\"><em>B\u00e0i 1: C\u00f3 t\u1ed5ng 5 th\u00f9ng b\u00e1nh ng\u1ecdt, m\u1ed7i th\u00f9ng g\u1ed3m 6 h\u1ed9p b\u00e1nh v\u00e0 m\u1ed7i h\u1ed9p c\u00f3 32 c\u00e1i b\u00e1nh. H\u1ecfi c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau c\u00e1i b\u00e1nh?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:<\/em><\/p>\n<p dir=\"ltr\"><em>S\u1ed1 h\u1ed9p b\u00e1nh trong 5 th\u00f9ng l\u00e0: 5 x 6 = 30 (h\u1ed9p)<\/em><\/p>\n<p dir=\"ltr\"><em>V\u1eady c\u00f3 t\u1ea5t c\u1ea3 s\u1ed1 c\u00e1i b\u00e1nh l\u00e0: 30 x 32 = 960 (c\u00e1i b\u00e1nh)<\/em><\/p>\n<p dir=\"ltr\"><em>\u0110\u00e1p s\u1ed1: 960 c\u00e1i b\u00e1nh.<\/em><\/p>\n<p dir=\"ltr\"><em>B\u00e0i 2: C\u00f3 8 b\u1ea1n nh\u1ecf \u0111i mua bong b\u00f3ng, m\u1ed7i b\u1ea1n \u0111\u00e3 mua 5 c\u00e1i b\u00f3ng m\u00e0u h\u1ed3ng v\u00e0 4 c\u00e1i b\u00f3ng m\u00e0u xanh. H\u1ecfi 8 b\u1ea1n th\u00ec mua t\u1ea5t c\u1ea3 bao nhi\u00eau bong b\u00f3ng?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:<\/em><\/p>\n<p dir=\"ltr\"><em>M\u1ed7i b\u1ea1n mua t\u1ed5ng s\u1ed1 bong b\u00f3ng l\u00e0: 5 + 4 = 9 (c\u00e1i)<\/em><\/p>\n<p dir=\"ltr\"><em>8 b\u1ea1n \u0111\u00e3 mua t\u1ea5t c\u1ea3 s\u1ed1 b\u00f3ng b\u00f3ng l\u00e0: 8 x 9 = 72 (c\u00e1i)<\/em><\/p>\n<p dir=\"ltr\"><em>\u0110\u00e1p \u00e1n: 72 c\u00e1i bong b\u00f3ng.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_3_Bai_toan_ve_gap_mot_so_len_nhieu_lan_giam_di_mot_so_lan\"><\/span>D\u1ea1ng 3: B\u00e0i to\u00e1n v\u1ec1 g\u1ea5p m\u1ed9t s\u1ed1 l\u00ean nhi\u1ec1u l\u1ea7n, gi\u1ea3m \u0111i m\u1ed9t s\u1ed1 l\u1ea7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">H\u00e3y nh\u1edb r\u1eb1ng: N\u1ebfu mu\u1ed1n g\u1ea5p m\u1ed9t s\u1ed1 l\u00ean nhi\u1ec1u l\u1ea7n th\u00ec ta l\u1ea5y s\u1ed1 \u0111\u00f3 nh\u00e2n v\u1edbi s\u1ed1 l\u1ea7n. V\u00e0 n\u1ebfu mu\u1ed1n gi\u1ea3m m\u1ed9t s\u1ed1 \u0111i nhi\u1ec1u l\u1ea7n th\u00ec ch\u1ec9 vi\u1ec7c l\u1ea5y s\u1ed1 \u0111\u00f3 chia cho s\u1ed1 l\u1ea7n.<\/p>\n<p dir=\"ltr\"><em>B\u00e0i 1: Ph\u1ee5ng c\u00f3 40 qu\u1ea3 d\u00e2u t\u00e2y c\u1ea7n b\u00e1n, sau khi b\u00e1n th\u00ec s\u1ed1 d\u00e2u \u0111\u00e3 gi\u1ea3m \u0111i 4 l\u1ea7n. H\u1ecfi Ph\u1ee5ng c\u00f2n l\u1ea1i bao nhi\u00eau qu\u1ea3?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:<\/em><\/p>\n<p dir=\"ltr\"><em>S\u1ed1 d\u00e2u Ph\u1ee5ng c\u00f2n l\u1ea1i l\u00e0: 40 : 4 = 10 (qu\u1ea3)<\/em><\/p>\n<p dir=\"ltr\"><em>V\u1eady Ph\u1ee5ng c\u00f2n l\u1ea1i 10 qu\u1ea3.<\/em><\/p>\n<p dir=\"ltr\"><em>B\u00e0i 2: Hoa c\u00f3 3 chi\u1ebfc k\u1eb9o, B\u00ecnh c\u00f3 s\u1ed1 k\u1eb9o g\u1ea5p 3 l\u1ea7n Hoa. H\u1ecfi B\u00ecnh c\u00f3 bao nhi\u00eau chi\u1ebfc k\u1eb9o?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:\u00a0<\/em><\/p>\n<p dir=\"ltr\"><em>B\u00ecnh c\u00f3 s\u1ed1 k\u1eb9o l\u00e0: 3 x 3 = 9 (chi\u1ebfc k\u1eb9o)<\/em><\/p>\n<p dir=\"ltr\"><em>V\u1eady B\u00ecnh c\u00f3 t\u1ed5ng s\u1ed1 k\u1eb9o l\u00e0 9 vi\u00ean.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_4_Bai_toan_giai_tu_2_phep_tinh_tro_len\"><\/span>D\u1ea1ng 4: B\u00e0i to\u00e1n gi\u1ea3i t\u1eeb 2 ph\u00e9p t\u00ednh tr\u1edf l\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\"><em>B\u00e0i 1: Th\u00f9ng th\u1ee9 nh\u1ea5t \u0111\u1ef1ng \u0111\u01b0\u1ee3c 35 l\u00edt n\u01b0\u1edbc, th\u00f9ng th\u1ee9 hai \u0111\u1ef1ng nhi\u1ec1u h\u01a1n th\u00f9ng th\u1ee9 nh\u1ea5t l\u00e0 15 l\u00edt n\u01b0\u1edbc. H\u1ecfi c\u1ea3 hai th\u00f9ng \u0111\u00e3 \u0111\u01b0\u1ee3c bao nhi\u00eau l\u00edt n\u01b0\u1edbc?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:\u00a0<\/em><\/p>\n<p dir=\"ltr\"><em>Th\u00f9ng th\u1ee9 hai \u0111\u1ef1ng \u0111\u01b0\u1ee3c s\u1ed1 n\u01b0\u1edbc l\u00e0: 35 + 15 = 50 (l\u00edt n\u01b0\u1edbc)<\/em><\/p>\n<p dir=\"ltr\"><em>V\u1eady c\u1ea3 hai th\u00f9ng \u0111\u1ef1ng \u0111\u01b0\u1ee3c: 35 + 50 = 85 (l\u00edt n\u01b0\u1edbc)<\/em><\/p>\n<p dir=\"ltr\"><em>\u0110\u00e1p s\u1ed1: 85 l\u00edt n\u01b0\u1edbc.<\/em><\/p>\n<p dir=\"ltr\"><em>B\u00e0i 2: Nh\u00e0 T\u00fa thu ho\u1ea1ch \u0111\u01b0\u1ee3c 40kg t\u00e1o \u00edt h\u01a1n s\u1ed1 t\u00e1o thu \u0111\u01b0\u1ee3c ng\u00e0y h\u00f4m qua 25kg. H\u1ecfi t\u1ed5ng s\u1ed1 t\u00e1o \u0111\u00e3 thu \u0111\u01b0\u1ee3c trong hai ng\u00e0y l\u00e0 bao nhi\u00eau?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:\u00a0<\/em><\/p>\n<p dir=\"ltr\"><em>Ng\u00e0y h\u00f4m tr\u01b0\u1edbc nh\u00e0 T\u00fa \u0111\u00e3 thu \u0111\u01b0\u1ee3c s\u1ed1 k\u00ed l\u00f4 gam t\u00e1o l\u00e0: 40 + 25 = 65 (kg)<\/em><\/p>\n<p dir=\"ltr\"><em>C\u1ea3 hai ng\u00e0y m\u00e0 nh\u00e0 T\u00fa thu \u0111\u01b0\u1ee3c s\u1ed1 k\u00ed l\u00f4 gam t\u00e1o: 40 + 65 = 105 (kg)<\/em><\/p>\n<p dir=\"ltr\"><em>\u0110\u00e1p s\u1ed1: 105kg t\u00e1o.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_5_Dang_toan_tim_mot_trong_cac_phan_bang_nhau_cua_mot_so\"><\/span>D\u1ea1ng 5: D\u1ea1ng to\u00e1n t\u00ecm m\u1ed9t trong c\u00e1c ph\u1ea7n b\u1eb1ng nhau c\u1ee7a m\u1ed9t s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\"><em>B\u00e0i 1: C\u1eaft \u0111i \u00bc c\u1ee7a s\u1ee3i d\u00e2y d\u00e0i 36cm. V\u1eady h\u1ecfi \u0111o\u1ea1n d\u00e2y c\u00f2n l\u1ea1i d\u00e0i bao nhi\u00eau cm?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:<\/em><\/p>\n<p dir=\"ltr\"><em>Ph\u1ea7n s\u1ee3i d\u00e2y b\u1ecb c\u1eaft \u0111i nh\u01b0ng c\u00f2n d\u00e0i: 36 x \u00bc = 9 (cm)<\/em><\/p>\n<p dir=\"ltr\"><em>S\u1ee3i d\u00e2y c\u00f2n l\u1ea1i d\u00e0i: 36 &#8211; 9 = 27 (cm)<\/em><\/p>\n<p dir=\"ltr\"><em>\u0110\u00e1p s\u1ed1: 27cm.<\/em><\/p>\n<p dir=\"ltr\"><em>B\u00e0i 2: L\u1edbp 3B c\u00f3 48 h\u1ecdc sinh, \u2159 s\u1ed1 h\u1ecdc sinh tham gia \u0111\u1ed9i v\u0103n ngh\u1ec7. H\u1ecfi l\u1edbp 3B c\u00f3 bao nhi\u00eau h\u1ecdc sinh \u0111\u00e3 tham gia \u0111\u1ed9i v\u0103n ngh\u1ec7?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:<\/em><\/p>\n<p dir=\"ltr\"><em>S\u1ed1 h\u1ecdc sinh c\u1ee7a l\u1edbp 3B tham gia v\u0103n ngh\u1ec7 l\u00e0: 48 x \u2153 = 16 (h\u1ecdc sinh)<\/em><\/p>\n<p dir=\"ltr\"><em>\u0110\u00e1p s\u1ed1: 16 h\u1ecdc sinh.<\/em><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dang_6_Bai_toan_ve_gap_len_mot_so_lan\"><\/span>D\u1ea1ng 6: B\u00e0i to\u00e1n v\u1ec1 g\u1ea5p l\u00ean m\u1ed9t s\u1ed1 l\u1ea7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\"><em>B\u00e0i 1: Thanh \u0111ang g\u1ea5p \u0111\u01b0\u1ee3c 124 ng\u00f4i sao, T\u00e2m g\u1ea5p \u0111\u01b0\u1ee3c s\u1ed1 sao g\u1ea5p 3 l\u1ea7n s\u1ed1 sao m\u00e0 Thanh c\u00f3. H\u1ecfi T\u00e2m g\u1ea5p \u0111\u01b0\u1ee3c bao nhi\u00eau ng\u00f4i sao?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:<\/em><\/p>\n<p dir=\"ltr\"><em>T\u00e2m g\u1ea5p \u0111\u01b0\u1ee3c s\u1ed1 ng\u00f4i sao l\u00e0: 124 x 3 = 372 (ng\u00f4i sao)<\/em><\/p>\n<p dir=\"ltr\"><em>\u0110\u00e1p s\u1ed1: 372 ng\u00f4i sao.<\/em><\/p>\n<p dir=\"ltr\"><em>B\u00e0i 2: Qu\u1ef3nh c\u00f3 7 qu\u1ea3 t\u00e1o v\u1eeba h\u00e1i, T\u00e2m v\u1eeba h\u00e1i \u0111\u01b0\u1ee3c 5 l\u1ea7n s\u1ed1 t\u00e1o m\u00e0 Qu\u1ef3nh \u0111\u00e3 h\u00e1i. H\u1ecfi T\u00e2m h\u00e1i \u0111\u01b0\u1ee3c bao nhi\u00eau qu\u1ea3?<\/em><\/p>\n<p dir=\"ltr\"><em>H\u01b0\u1edbng d\u1eabn gi\u1ea3i:<\/em><\/p>\n<p dir=\"ltr\"><em>S\u1ed1 qu\u1ea3 cam m\u00e0 T\u00e2m h\u00e1i \u0111\u01b0\u1ee3c l\u00e0: 7 x 5 = 35 (qu\u1ea3)<\/em><\/p>\n<p dir=\"ltr\"><em>\u0110\u00e1p s\u1ed1: 35 qu\u1ea3 t\u00e1o.<\/em><\/p>\n<\/p>\n<p dir=\"ltr\">B\u00e0i vi\u1ebft tr\u00ean l\u00e0 t\u1ed5ng h\u1ee3p ph\u01b0\u01a1ng ph\u00e1p v\u00e0 d\u1ea1ng b\u00e0i t\u1eadp th\u01b0\u1eddng g\u1eb7p \u1edf h\u1ecdc to\u00e1n l\u1edbp 3. Mong r\u1eb1ng th\u00f4ng qua b\u00e0i vi\u1ebft, ba m\u1eb9 \u0111\u00e3 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c ch\u01b0\u01a1ng tr\u00ecnh tr\u00ean l\u1edbp c\u1ee7a con v\u00e0 c\u00f3 nh\u1eefng b\u00ed quy\u1ebft d\u1ea1y h\u1ecdc ph\u00f9 h\u1ee3p. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng nh\u00e9!<\/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>Hi\u1ec7n nay, n\u1ebfu ba m\u1eb9 qu\u00e1 b\u1eadn r\u1ed9n \u0111\u1ec3 c\u00f3 th\u1ec3 d\u1ea1y con h\u1ecdc to\u00e1n l\u1edbp 3 t\u1ea1i nh\u00e0? B\u1ea1n lo l\u1eafng v\u00ec kh\u00f4ng bi\u1ebft n\u00ean d\u1ea1y con b\u1eaft \u0111\u1ea7u t\u1eeb \u0111\u00e2u? H\u00e3y tham kh\u1ea3o b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 t\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c to\u00e1n, ph\u01b0\u01a1ng ph\u00e1p d\u1ea1y v\u00e0 c\u00e1c d\u1ea1ng b\u00e0i t\u1eadp c\u01a1 b\u1ea3n&#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-21687","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/21687","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=21687"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/21687\/revisions"}],"predecessor-version":[{"id":25391,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/21687\/revisions\/25391"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=21687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=21687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=21687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}