{"id":14862,"date":"2025-06-10T13:50:08","date_gmt":"2025-06-10T06:50:08","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=14862"},"modified":"2025-07-05T15:05:05","modified_gmt":"2025-07-05T08:05:05","slug":"tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/","title":{"rendered":"T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c v\u1ec1 \u0111o kh\u1ed1i l\u01b0\u1ee3ng t\u1eeb A-Z"},"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\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Don_vi_do_luong_khoi_luong_la_gi\" >\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng kh\u1ed1i l\u01b0\u1ee3ng l\u00e0 g\u00ec?<\/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\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Bang_Do_luong_don_vi_chuyen_doi_cua_khoi_luong_va_cach_chuyen_doi\" >B\u1ea3ng \u0110o l\u01b0\u1eddng \u0111\u01a1n v\u1ecb chuy\u1ec3n \u0111\u1ed5i c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i<\/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\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Bang_Do_luong_khoi_luong\" >B\u1ea3ng \u0110o l\u01b0\u1eddng kh\u1ed1i l\u01b0\u1ee3ng<\/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\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Cach_thay_doi_don_vi_can_nang\" >C\u00e1ch thay \u0111\u1ed5i \u0111\u01a1n v\u1ecb c\u00e2n n\u1eb7ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Tim_hieu_ve_cac_cong_cu_de_do_khoi_luong\" >T\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 \u0111o kh\u1ed1i l\u01b0\u1ee3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Huong_dan_ve_cach_tinh_the_tich_cua_cac_doi_tuong\" >H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1ch t\u00ednh th\u1ec3 t\u00edch c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Cac_loai_bai_tap_ve_phep_do_khoi_luong_pho_bien\" >C\u00e1c lo\u1ea1i b\u00e0i t\u1eadp v\u1ec1 ph\u00e9p \u0111o kh\u1ed1i l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Mau_1_Chuyen_doi_cac_don_vi_tinh_toan_am_luong\" >M\u1eabu 1: Chuy\u1ec3n \u0111\u1ed5i c\u00e1c \u0111\u01a1n v\u1ecb t\u00ednh to\u00e1n \u00e2m l\u01b0\u1ee3ng<\/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\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Mau_2_Cac_tinh_toan_voi_Don_vi_Do_luong_khoi_luong\" >M\u1eabu 2: C\u00e1c t\u00ednh to\u00e1n v\u1edbi \u0110\u01a1n v\u1ecb \u0110o l\u01b0\u1eddng kh\u1ed1i l\u01b0\u1ee3ng<\/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\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Mau_3_So_sanh_cac_phep_do_khoi_luong\" >M\u1eabu 3: So s\u00e1nh c\u00e1c ph\u00e9p \u0111o kh\u1ed1i l\u01b0\u1ee3ng<\/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\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Mau_4_Toan_voi_cac_tu\" >M\u1eabu 4: To\u00e1n v\u1edbi c\u00e1c t\u1eeb<\/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\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Bi_quyet_de_giup_tre_hoc_cach_do_luong_doi_tuong_va_lam_cho_toan_hoc_hieu_qua\" >B\u00ed quy\u1ebft \u0111\u1ec3 gi\u00fap tr\u1ebb h\u1ecdc c\u00e1ch \u0111o l\u01b0\u1ee3ng \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 l\u00e0m cho to\u00e1n h\u1ecdc hi\u1ec7u qu\u1ea3<\/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\/tong-hop-kien-thuc-ve-do-khoi-luong-tu-a-z\/#Thuc_hanh_cac_bai_tap_de_do_khoi_luong_cho_em_be_thuc_hanh\" >Th\u1ef1c h\u00e0nh c\u00e1c b\u00e0i t\u1eadp \u0111\u1ec3 \u0111o kh\u1ed1i l\u01b0\u1ee3ng cho em b\u00e9 th\u1ef1c h\u00e0nh<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p class=\"MsoNormal\">\u0110\u1ec3 \u0111o tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng, ch\u00fang t\u00f4i s\u1ebd d\u1ef1a v\u00e0o c\u00e1c c\u00f4ng c\u1ee5 \u0111o, c\u0169ng nh\u01b0 \u0111\u01a1n v\u1ecb \u0111o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh. V\u00ec v\u1eady, \u0111\u1ec3 gi\u00fap m\u1ecdi ng\u01b0\u1eddi hi\u1ec3u ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n n\u00e0y, Kh\u1ec9 s\u1ebd ph\u00e2n t\u00edch to\u00e0n b\u1ed9 ki\u1ebfn \u200b\u200bth\u1ee9c li\u00ean quan \u0111\u1ebfn t\u1eadp \u0111\u1ec3 n\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i t\u1eadp v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf theo c\u00e1ch t\u1ed1t nh\u1ea5t.<\/p>\n<p>                        Xem t\u1ea5t c\u1ea3<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Don_vi_do_luong_khoi_luong_la_gi\"><\/span>\u0110\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng kh\u1ed1i l\u01b0\u1ee3ng l\u00e0 g\u00ec? <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 \u0111o kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, ch\u00fang t\u00f4i s\u1ebd s\u1eed d\u1ee5ng c\u00e1c \u0111\u01a1n v\u1ecb \u0111o c\u1ee5 th\u1ec3 \u0111\u1ec3 t\u00ednh to\u00e1n. Th\u00f4ng th\u01b0\u1eddng, \u0111\u1ec3 \u0111o l\u01b0\u1ee3ng \u0111\u1ed1i t\u01b0\u1ee3ng n\u1eb7ng h\u00e0ng ng\u00e0n, h\u00e0ng tr\u0103m, h\u00e0ng ch\u1ee5c kg ch\u00fang t\u00f4i s\u1ebd s\u1eed d\u1ee5ng c\u00e1c \u0111\u01a1n v\u1ecb t\u1ea5n, tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 y\u1ebfn m\u1ea1ch. V\u1edbi c\u00e1c v\u1eadt th\u1ec3 nh\u1eb9, n\u00f3 s\u1ebd s\u1eed d\u1ee5ng c\u00e1c \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng nh\u01b0 kil\u00f4gam, \u0111\u00ea &#8211; CA &#8211; gram, ha &#8211; b\u00e1t &#8211; gram, gram.<\/p>\n<p dir=\"ltr\">\u0110\u1eb7c bi\u1ec7t, \u0111\u01a1n v\u1ecb tr\u1ecdng l\u01b0\u1ee3ng ch\u00ednh th\u1ee9c c\u1ee7a \u0111\u1ea5t n\u01b0\u1edbc ch\u00fang ta l\u00e0 kilogam, bi\u1ec3u t\u01b0\u1ee3ng kg <\/p>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5: con ch\u00f3 n\u1eb7ng 32kg, con voi n\u1eb7ng 300kg (3 t\u1ea1) &#8230;.<\/em><\/p>\n<p dir=\"ltr\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bang_Do_luong_don_vi_chuyen_doi_cua_khoi_luong_va_cach_chuyen_doi\"><\/span>B\u1ea3ng \u0110o l\u01b0\u1eddng \u0111\u01a1n v\u1ecb chuy\u1ec3n \u0111\u1ed5i c\u1ee7a kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 ti\u1ebfn h\u00e0nh th\u1ef1c h\u00e0nh \u0111o c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, m\u1ecdi ng\u01b0\u1eddi c\u1ea7n bi\u1ebft c\u00e1c \u0111\u01a1n v\u1ecb \u0111o kh\u1ed1i l\u01b0\u1ee3ng sau \u0111\u00e2y v\u00e0 c\u00e1c c\u00e1ch chi ti\u1ebft:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bang_Do_luong_khoi_luong\"><\/span>B\u1ea3ng \u0110o l\u01b0\u1eddng kh\u1ed1i l\u01b0\u1ee3ng <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong h\u1ec7 th\u1ed1ng \u0111\u01a1n v\u1ecb, \u00e2m l\u01b0\u1ee3ng s\u1ebd bao g\u1ed3m c\u00e1c s\u1ed1 l\u01b0\u1ee3ng sau:<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/do-khoi-luong-2.png\" alt=\"B\u1ea3ng \u0110o \u0111\u01a1n v\u1ecb chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"800\"><\/p>\n<p dir=\"ltr\">C\u00e1ch \u0111\u1ecdc m\u1ed9t s\u1ed1 \u0111\u01a1n v\u1ecb t\u00ednh to\u00e1n \u00e2m l\u01b0\u1ee3ng:<\/p>\n<ul>\n<li dir=\"ltr\">KG: Kilo<\/li>\n<li dir=\"ltr\">HG: H\u00e9c-Ton<\/li>\n<li dir=\"ltr\">DAG: De-Ca-Gam<\/li>\n<li dir=\"ltr\">G: Gram<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cach_thay_doi_don_vi_can_nang\"><\/span>C\u00e1ch thay \u0111\u1ed5i \u0111\u01a1n v\u1ecb c\u00e2n n\u1eb7ng <span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong b\u1ea3ng \u0111o kh\u1ed1i \u1edf tr\u00ean, d\u1ec5 d\u00e0ng th\u1ea5y \u0111\u1ec3 thay \u0111\u1ed5i c\u00e1c \u0111\u01a1n v\u1ecb \u0111\u1ec3 l\u01b0u \u00fd c\u00e1c \u0111i\u1ec3m sau: <\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Hai \u0111\u01a1n v\u1ecb \u0111o th\u1ec3 t\u00edch \u0111\u1ee9ng nhi\u1ec1u h\u01a1n ho\u1eb7c \u00edt h\u01a1n 10 l\u1ea7n so v\u1edbi nhau<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u01a1n v\u1ecb l\u1edbn \u0111\u1ee9ng tr\u01b0\u1edbc 10 l\u1ea7n \u0111\u01a1n v\u1ecb nh\u1ecf li\u1ec1n k\u1ec1 (1 t\u1ea1 = 10 y\u1ebfn m\u1ea1ch)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u01a1n v\u1ecb nh\u1ecf ph\u00eda sau 1\/10 c\u1ee7a \u0111\u01a1n v\u1ecb li\u1ec1n k\u1ec1 (v\u00ed d\u1ee5 1 Yen = 1\/10 Quintal)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Th\u1ee9 t\u1ef1 c\u1ee7a c\u00e1c \u0111\u01a1n v\u1ecb t\u1eeb l\u1edbn \u0111\u1ebfn nh\u1ecf l\u00e0: t\u1ea5n&gt; tr\u1ecdng l\u01b0\u1ee3ng&gt; t\u1ed5 chim&gt; kg&gt; hg&gt; dag&gt; g<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi thay \u0111\u1ed5i t\u1eeb m\u1ed9t \u0111\u01a1n v\u1ecb nh\u1ecf h\u01a1n sang m\u1ed9t \u0111\u01a1n v\u1ecb l\u1edbn h\u01a1n li\u1ec1n k\u1ec1, chia s\u1ed1 \u0111\u00f3 cho 10.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi thay \u0111\u1ed5i t\u1eeb c\u00e1c \u0111\u01a1n v\u1ecb l\u1edbn h\u01a1n sang c\u00e1c \u0111\u01a1n v\u1ecb nh\u1ecf h\u01a1n li\u1ec1n k\u1ec1, ch\u00fang nh\u00e2n s\u1ed1 \u0111\u00f3 cho 10.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><em>V\u00ed d\u1ee5:<\/em><\/p>\n<p dir=\"ltr\"><em>1 kg = 10 hg = 100 dag = 1000g<\/em><\/p>\n<p dir=\"ltr\"><em>10 dag = 1hg.<\/em><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tim_hieu_ve_cac_cong_cu_de_do_khoi_luong\"><\/span>T\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 \u0111o kh\u1ed1i l\u01b0\u1ee3ng <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">D\u1ec5 d\u00e0ng hi\u1ec3u, c\u00f4ng c\u1ee5 \u0111\u1ec3 \u0111o tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 c\u00e2n n\u1eb7ng. C\u00f3 nhi\u1ec1u lo\u1ea1i tr\u1ecdng l\u01b0\u1ee3ng kh\u00e1c nhau nh\u01b0: <em>C\u00e2n, c\u00e2n robcval, v\u1ea3y y t\u1ebf, v\u1ea3y \u0111\u1ed3ng h\u1ed3, v\u1ea3y \u0111i\u1ec7n t\u1eed &#8230; <\/em>T\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng, tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a ch\u00fang \u0111\u1ec3 s\u1eed d\u1ee5ng lo\u1ea1i tr\u1ecdng l\u01b0\u1ee3ng th\u00edch h\u1ee3p.<\/p>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a hai lo\u1ea1i tr\u1ecdng l\u01b0\u1ee3ng kh\u00e1 ph\u1ed5 bi\u1ebfn trong cu\u1ed9c s\u1ed1ng:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Thang \u0111o \u0111i\u1ec7n t\u1eed: C\u00f3 thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, ngo\u1ea1i h\u00ecnh \u0111\u1eb9p, m\u1ed9t v\u00e0i l\u1ed7i, hi\u1ec3n th\u1ecb s\u1ed1 tr\u00ean m\u00e0n h\u00ecnh. N\u1ebfu \u0111\u1ee9ng t\u1eeb nhi\u1ec1u v\u1ecb tr\u00ed kh\u00e1c nhau c\u00f3 th\u1ec3 th\u1ea5y k\u1ebft qu\u1ea3. Ngo\u00e0i tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a tr\u1ecdng l\u01b0\u1ee3ng, c\u00e2n n\u1eb7ng c\u0169ng c\u00f3 th\u1ec3 nh\u1edb d\u1eef li\u1ec7u. <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00e2n \u0111\u1ed3ng h\u1ed3: D\u1ec5 s\u1eed d\u1ee5ng, gi\u1edbi h\u1ea1n \u0111o l\u1edbn, ch\u1ecbu \u0111\u01b0\u1ee3c va ch\u1ea1m. C\u00e1c thang \u0111o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ngay l\u1eadp t\u1ee9c v\u00e0 trong m\u1ed9t th\u1eddi gian d\u00e0i, kh\u00f4ng c\u1ea7n ph\u1ea3i thay pin <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Thang \u0111o b\u1ea3ng \u0111i\u1ec7n t\u1eed: Thang \u0111o c\u00f3 gi\u1edbi h\u1ea1n \u0111o l\u1edbn, k\u1ebft qu\u1ea3 \u0111o xu\u1ea5t hi\u1ec7n tr\u00ean m\u00e0n h\u00ecnh d\u1ec5 \u0111\u1ecdc v\u00e0 ch\u00ednh x\u00e1c. C\u00e2n ch\u1eb7t v\u00e0 ch\u1ecbu va ch\u1ea1m. <\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><img decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/do-khoi-luong-5.jpg\" alt=\"T\u00ecm hi\u1ec3u m\u1ed9t s\u1ed1 lo\u1ea1i \u0111o tr\u1ecdng l\u01b0\u1ee3ng. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Huong_dan_ve_cach_tinh_the_tich_cua_cac_doi_tuong\"><\/span>H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1ch t\u00ednh th\u1ec3 t\u00edch c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 \u0111o kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng, ch\u00fang t\u00f4i l\u00e0m theo c\u00e1c b\u01b0\u1edbc sau: <\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 1: \u01af\u1edbc t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ec3 ch\u1ecdn tr\u1ecdng l\u01b0\u1ee3ng th\u00edch h\u1ee3p. <\/p>\n<p dir=\"ltr\">Ch\u00fang ta c\u1ea7n ch\u1ecdn thang \u0111o v\u1edbi gi\u1edbi h\u1ea1n \u0111o l\u1edbn h\u01a1n kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111o. V\u00ed d\u1ee5, mu\u1ed1n c\u00e2n kh\u1ed1i kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u01a1 th\u1ec3. Ch\u00fang t\u00f4i \u01b0\u1edbc t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u00fang t\u00f4i l\u00e0 40 kg. T\u1eeb \u0111\u00f3 ch\u00fang ta c\u1ea7n ch\u1ecdn gi\u1edbi h\u1ea1n \u0111o l\u00e0 100 kg. <\/p>\n<p dir=\"ltr\">B\u01b0\u1edbc 2. Ho\u1ea1t \u0111\u1ed9ng \u0111o l\u01b0\u1eddng kh\u1ed1i l\u01b0\u1ee3ng<\/p>\n<p dir=\"ltr\">Tr\u01b0\u1eddng h\u1ee3p: S\u1eed d\u1ee5ng c\u00e1c thang \u0111o <\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi s\u1eed d\u1ee5ng c\u00e2n \u0111\u1ed3ng h\u1ed3 \u0111\u1ec3 \u0111o kh\u1ed1i l\u01b0\u1ee3ng, ch\u00fang ta c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh thang \u0111o theo s\u1ed1 0 tr\u01b0\u1edbc khi \u0111o. <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o tr\u1ecdng l\u01b0\u1ee3ng, ch\u00fang ta \u0111\u1eb7t m\u1eaft theo h\u01b0\u1edbng vu\u00f4ng g\u00f3c v\u1edbi thang \u0111o \u0111\u1ec3 \u0111\u1ecdc s\u1ed1 ch\u00ednh x\u00e1c. <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Cu\u1ed1i c\u00f9ng, \u0111\u1ecdc v\u00e0 ghi l\u1ea1i k\u1ebft qu\u1ea3 \u0111o b\u1eb1ng \u0111\u01b0\u1eddng ph\u00e2n chia g\u1ea7n nh\u1ea5t v\u1edbi \u0111\u1ea7u kim c\u1ee7a thang \u0111o<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/do-khoi-luong-3.png\" alt=\"\u0110o kh\u1ed1i l\u01b0\u1ee3ng v\u1edbi thang \u0111o \u0111\u1ed3ng h\u1ed3. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"800\" height=\"495\"><\/p>\n<p dir=\"ltr\">\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_loai_bai_tap_ve_phep_do_khoi_luong_pho_bien\"><\/span>C\u00e1c lo\u1ea1i b\u00e0i t\u1eadp v\u1ec1 ph\u00e9p \u0111o kh\u1ed1i l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Trong qu\u00e1 tr\u00ecnh h\u1ecdc ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 c\u00e1c \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng h\u00e0ng lo\u1ea1t, ch\u00fang th\u01b0\u1eddng g\u1eb7p ph\u1ea3i c\u00e1c lo\u1ea1i b\u00e0i t\u1eadp sau:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mau_1_Chuyen_doi_cac_don_vi_tinh_toan_am_luong\"><\/span>M\u1eabu 1: Chuy\u1ec3n \u0111\u1ed5i c\u00e1c \u0111\u01a1n v\u1ecb t\u00ednh to\u00e1n \u00e2m l\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gi\u1ea3i ph\u00e1p: D\u1ef1a tr\u00ean b\u1ea3ng \u0111\u1ec3 thay \u0111\u1ed5i \u0111\u01a1n v\u1ecb \u0111o kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ec3 suy ra \u0111\u01a1n v\u1ecb \u0111\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i ch\u00ednh x\u00e1c.<\/p>\n<p><em>V\u00ed d\u1ee5: 145dag =? g<\/em><\/p>\n<p><em>Ph\u1ea7n th\u01b0\u1edfng: <\/em><\/p>\n<p><em>D\u1ef1a tr\u00ean b\u1ea3ng \u0110o l\u01b0\u1eddng \u0110o chi\u1ec1u d\u00e0i ch\u00fang ta c\u00f3: 145DAG = 145 x 10 = 1450g<\/em><\/p>\n<p><em>V\u00ec v\u1eady, 145dag = 1450g<\/em><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mau_2_Cac_tinh_toan_voi_Don_vi_Do_luong_khoi_luong\"><\/span>M\u1eabu 2: C\u00e1c t\u00ednh to\u00e1n v\u1edbi \u0110\u01a1n v\u1ecb \u0110o l\u01b0\u1eddng kh\u1ed1i l\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gi\u1ea3i ph\u00e1p: N\u1ebfu t\u00ednh to\u00e1n c\u00e1c s\u1ed1 c\u00f3 c\u00f9ng \u0111\u01a1n v\u1ecb \u0111o, ch\u00fang s\u1ebd th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n th\u00f4ng th\u01b0\u1eddng. Trong tr\u01b0\u1eddng h\u1ee3p, n\u1ebfu \u0111\u01a1n v\u1ecb \u0111o c\u1ea7n \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00f9ng m\u1ed9t \u0111\u01a1n v\u1ecb tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n.<\/p>\n<p><em>V\u00ed d\u1ee5: T\u00ednh c\u00e1c gi\u00e1 tr\u1ecb sau:<\/em><\/p>\n<p><em>a) 57 kg + 56 g<\/em><\/p>\n<p><em>b) 275 t\u1ea5n &#8211; 849 t\u1ea1<\/em><\/p>\n<p><em>Ph\u1ea7n th\u01b0\u1edfng: <\/em><\/p>\n<p><em>a) 57kg = 57 x 1000 = 57000g<\/em><\/p>\n<p><em>57kg + 56g = 57000g + 56g = 57056g<\/em><\/p>\n<p><em>b) 275 t\u1ea5n = 275 x 10 = 2750 t\u1ea1<\/em><\/p>\n<p><em>275 t\u1ea5n &#8211; 849 Quintal = 2750 &#8211; 849 = 1901 Quintal<\/em><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mau_3_So_sanh_cac_phep_do_khoi_luong\"><\/span>M\u1eabu 3: So s\u00e1nh c\u00e1c ph\u00e9p \u0111o kh\u1ed1i l\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gi\u1ea3i ph\u00e1p: Khi so s\u00e1nh c\u00e1c s\u1ed1 v\u1edbi c\u00f9ng m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng, n\u00f3 ch\u1ec9 c\u1ea7n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nh\u01b0 s\u1ed1 t\u1ef1 nhi\u00ean. N\u1ebfu \u0111\u01a1n v\u1ecb \u0111o kh\u00e1c nhau s\u1ebd ph\u1ea3i \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00f9ng m\u1ed9t \u0111\u01a1n v\u1ecb \u0111\u1ec3 so s\u00e1nh.<\/p>\n<p><em>V\u00ed d\u1ee5: So s\u00e1nh<\/em><\/p>\n<p><em>a) 4300g &#8230; 43HG<\/em><\/p>\n<p><em>b) 4357 kg &#8230; 5000 g<\/em><\/p>\n<p><em>Ph\u1ea7n th\u01b0\u1edfng:<\/em><\/p>\n<p><em>a) 4300g &#8230; 43Hg<\/em><\/p>\n<p><em>Thay \u0111\u1ed5i 4300g = 4300: 100 = 43Hg<\/em><\/p>\n<p><em>V\u00ec v\u1eady, 4300g = 43Hg<\/em><\/p>\n<p><em>b) 4357kg &#8230; 5000g<\/em><\/p>\n<p><em>Thay \u0111\u1ed5i 5000g = 5000: 1000 = 5kg<\/em><\/p>\n<p><em>V\u00ec v\u1eady, 4357kg&gt; 5000g<\/em><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mau_4_Toan_voi_cac_tu\"><\/span>M\u1eabu 4: To\u00e1n v\u1edbi c\u00e1c t\u1eeb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gi\u1ea3i ph\u00e1p: B\u1ea1n s\u1ebd ph\u1ea3i \u0111\u1ecdc v\u1ea5n \u0111\u1ec1 m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn, sau \u0111\u00f3 xem v\u1ea5n \u0111\u1ec1 l\u00e0 g\u00ec. L\u01b0u \u00fd r\u1eb1ng c\u00e1c \u0111\u01a1n v\u1ecb \u0111o \u0111\u01a1n v\u1ecb ph\u1ea3i gi\u1ed1ng nhau, n\u1ebfu c\u00e1c \u0111\u01a1n v\u1ecb kh\u00e1c c\u1ea7n \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00f9ng m\u1ed9t \u0111\u01a1n v\u1ecb v\u00e0 sau \u0111\u00f3 ghi l\u1ea1i gi\u1ea3i ph\u00e1p, t\u00ednh to\u00e1n v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi chi ti\u1ebft.<\/p>\n<p><em>V\u00ed d\u1ee5, th\u1ecb tr\u01b0\u1eddng mua 1 b\u00f3 rau c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng 1250 g, m\u1ed9t con c\u00e1 n\u1eb7ng 4500g, 1 b\u00ed ng\u00f4 n\u1eb7ng 750g. H\u1ecfi kh\u1ed1i l\u01b0\u1ee3ng m\u00e0 chai ph\u1ea3i mang l\u1ea1i?<\/em><\/p>\n<p><em>Ph\u1ea7n th\u01b0\u1edfng: <\/em><\/p>\n<p><em>Kh\u1ed1i l\u01b0\u1ee3ng m\u00e0 chai ph\u1ea3i mang l\u00e0:<\/em><\/p>\n<p><em>4500 + 750 + 1250 = 6500 (g)<\/em><\/p>\n<p><em>V\u00ec v\u1eady, kh\u1ed1i l\u01b0\u1ee3ng m\u00e0 chai mang l\u00e0 6500 g<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Bi_quyet_de_giup_tre_hoc_cach_do_luong_doi_tuong_va_lam_cho_toan_hoc_hieu_qua\"><\/span>B\u00ed quy\u1ebft \u0111\u1ec3 gi\u00fap tr\u1ebb h\u1ecdc c\u00e1ch \u0111o l\u01b0\u1ee3ng \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 l\u00e0m cho to\u00e1n h\u1ecdc hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 h\u1ed7 tr\u1ee3 tr\u1ebb h\u1ecdc c\u00e1ch \u0111o l\u01b0\u1eddng s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 gi\u1ea3i c\u00e1c b\u00e0i t\u1eadp li\u00ean quan \u0111\u1ebfn ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t, ch\u00fang ch\u1eafc ch\u1eafn ph\u1ea3i \u00e1p d\u1ee5ng c\u00e1c m\u1eb9o sau:<\/p>\n<ul>\n<li>Hi\u1ec3u b\u1ea3ng v\u00e0 c\u00e1ch thay \u0111\u1ed5i \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng kh\u1ed1i l\u01b0\u1ee3ng: \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 trung t\u00e2m, v\u00ec v\u1eady cha m\u1eb9 c\u1ea7n h\u01b0\u1edbng d\u1eabn, gi\u1ea3i th\u00edch v\u00e0 gi\u1ea3i th\u00edch chi ti\u1ebft cho em b\u00e9 \u0111\u1ec3 l\u00e0m ch\u1ee7. \u0110\u1eb7c bi\u1ec7t n\u00ean th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra ki\u1ebfn \u200b\u200bth\u1ee9c n\u00e0y c\u1ee7a em b\u00e9 \u0111\u1ec3 tr\u00e1nh b\u1ecb l\u00e3ng qu\u00ean.<\/li>\n<li>L\u1ea5y c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf d\u1ec5 hi\u1ec3u: \u0110\u1ec3 bi\u1ebft c\u00e1ch \u0111o th\u1ec3 t\u00edch c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u0169ng r\u1ea5t phong ph\u00fa trong cu\u1ed9c s\u1ed1ng, cha m\u1eb9 c\u00f3 th\u1ec3 \u0111\u1ec3 con c\u00e1i tham gia v\u00e0o c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u00e2n nh\u1eafc, \u0111\u1ec3 con c\u00e1i c\u1ee7a h\u1ecd \u0111i th\u1ecb tr\u01b0\u1eddng, &#8230; \u0111\u1ec3 ch\u00fang c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng hi\u1ec3u \u0111\u01b0\u1ee3c ki\u1ebfn \u200b\u200bth\u1ee9c n\u00e0y h\u01a1n.<\/li>\n<li>Th\u1ef1c h\u00e0nh, th\u1ef1c h\u00e0nh th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft: Khi em b\u00e9 hi\u1ec3u l\u00fd thuy\u1ebft, cha m\u1eb9 n\u00ean \u0111\u1ec3 con c\u00e1i th\u1ef1c h\u00e0nh nhi\u1ec1u h\u01a1n th\u00f4ng qua vi\u1ec7c y\u00eau c\u1ea7u tr\u1ebb l\u00e0m b\u00e0i t\u1eadp v\u1ec1 nh\u00e0, t\u1ed5 ch\u1ee9c c\u00e1c tr\u00f2 ch\u01a1i li\u00ean quan, t\u00ecm hi\u1ec3u th\u00eam ki\u1ebfn \u200b\u200bth\u1ee9c m\u1edbi tr\u00ean Internet &#8230;<\/li>\n<li>\u0110o l\u01b0\u1eddng kh\u1ed1i l\u01b0\u1ee3ng v\u1eefng ch\u1eafc v\u00e0 ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 to\u00e1n h\u1ecdc v\u1edbi to\u00e1n h\u1ecdc kh\u1ec9: \u0110\u00e2y l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng gi\u1ea3ng d\u1ea1y to\u00e1n tr\u1ef1c tuy\u1ebfn cho tr\u1ebb m\u1eabu gi\u00e1o v\u00e0 ti\u1ec3u h\u1ecdc, n\u1ed9i dung c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh gi\u00e1o d\u1ee5c m\u1edbi nh\u1ea5t v\u1edbi h\u01a1n 400 b\u00e0i h\u1ecdc, d\u1ef1a tr\u00ean 60 ch\u1ee7 \u0111\u1ec1 to\u00e1n h\u1ecdc bao g\u1ed3m h\u00ecnh h\u1ecdc, s\u1ed1 h\u1ecdc, \u0111o l\u01b0\u1eddng, &#8230; t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c d\u1ea1y d\u01b0\u1edbi d\u1ea1ng video, ho\u1ea1t h\u00ecnh vui nh\u1ed9n gi\u00fap tr\u1ebb d\u1ec5 d\u00e0ng h\u1ea5p th\u1ee5. C\u00f9ng v\u1edbi h\u01a1n 10.000 ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u00e1c \u0111\u1ec3 gi\u00fap tr\u1ebb em c\u1ea3 h\u1ecdc, ch\u01a1i v\u00e0 th\u1ef1c h\u00e0nh c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 h\u1ecdc t\u1eadp t\u1ed1t h\u01a1n. \u0110\u1eb7c bi\u1ec7t, \u00edt h\u01a1n 2000 VND\/ng\u00e0y \u0111\u00e3 gi\u00fap tr\u1ebb em c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng to\u00e1n h\u1ecdc c\u1ee7a m\u00ecnh, b\u1ea1n \u0111ang ch\u1edd \u0111\u1ee3i \u0111i\u1ec1u g\u00ec m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u0103ng k\u00fd tham gia kh\u1ec9?<\/li>\n<\/ul>\n<p><img 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\/dangkyngay.png\" alt=\"\" width=\"185\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Thuc_hanh_cac_bai_tap_de_do_khoi_luong_cho_em_be_thuc_hanh\"><\/span>Th\u1ef1c h\u00e0nh c\u00e1c b\u00e0i t\u1eadp \u0111\u1ec3 \u0111o kh\u1ed1i l\u01b0\u1ee3ng cho em b\u00e9 th\u1ef1c h\u00e0nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">B\u00e0i 1: X\u00e1c \u0111\u1ecbnh \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng h\u00e0ng lo\u1ea1t trong h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng c\u1ee7a n\u01b0\u1edbc ta v\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 b\u1ed9i s\u1ed1 c\u1ee7a \u0111\u01a1n v\u1ecb n\u00e0y <\/p>\n<p dir=\"ltr\">B\u00e0i 2: Khi mua tr\u00e1i c\u00e2y \u1edf ch\u1ee3, h\u00e3y ch\u1ecdn lo\u1ea1i c\u00e2n th\u00edch h\u1ee3p <\/p>\n<p dir=\"ltr\" role=\"presentation\">M\u1ed9t. C\u00e2n n\u1eb7ng <\/p>\n<p dir=\"ltr\" role=\"presentation\">b. Scales Roberval <\/p>\n<p dir=\"ltr\" role=\"presentation\">c. Quy m\u00f4 \u0111\u1ed3ng h\u1ed3 <\/p>\n<p dir=\"ltr\">B\u00e0i 3: Lo\u1ea1i t\u1ef7 l\u1ec7 ph\u00f9 h\u1ee3p cho vi\u1ec7c s\u1eed d\u1ee5ng v\u1ea3y v\u00e0ng v\u00e0 b\u1ea1c t\u1ea1i c\u1eeda h\u00e0ng v\u00e0ng? <\/p>\n<p dir=\"ltr\" role=\"presentation\">M\u1ed9t. C\u00e2n n\u1eb7ng <\/p>\n<p dir=\"ltr\" role=\"presentation\">b. C\u00e2n <\/p>\n<p dir=\"ltr\" role=\"presentation\">c. Quy m\u00f4 \u0111\u1ed3ng h\u1ed3 <\/p>\n<p dir=\"ltr\" role=\"presentation\">d. C\u00e2n <\/p>\n<p dir=\"ltr\">B\u00e0i 4: Ng\u01b0\u1eddi b\u00e1n s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 c\u00e2n nh\u01b0 h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 c\u00e2n tr\u00e1i c\u00e2y. Vui l\u00f2ng ch\u1ec9 ra GHD, c\u00e2n c\u1ee7a ti\u1ec3u bang v\u00e0 \u0111\u1ecdc gi\u00e1 tr\u1ecb kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a l\u01b0\u1ee3ng tr\u00e1i c\u00e2y \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean t\u1ea5m tr\u1ecdng l\u01b0\u1ee3ng<\/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-khoi-luong-4.png\" alt=\"\" width=\"800\" height=\"659\"><\/p>\n<p dir=\"ltr\">B\u00e0i 5: Trong b\u00e0i ki\u1ec3m tra s\u1ee9c kh\u1ecfe. M\u1ed9t tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 32kg; \u0110\u1ee9c n\u1eb7ng 340hg, Hai n\u1eb7ng 41000g. H\u1ecfi c\u00f3 bao nhi\u00eau km trong ba trong s\u1ed1 ba c\u1ee7a b\u1ea1n?<\/p>\n<p dir=\"ltr\">B\u00e0i 6: \u0110i\u1ec1n v\u00e0o s\u1ed1 th\u00edch h\u1ee3p trong tr\u1ed1ng<\/p>\n<p dir=\"ltr\">a) 1kg =? Hg<\/p>\n<p dir=\"ltr\">b) 23Hg 7dag =? G<\/p>\n<p dir=\"ltr\">c) 51 y\u1ebfn m\u1ea1ch 73kg =? kg<\/p>\n<p dir=\"ltr\">d) 7000kg 10 t\u1ea1 =? t\u1ea5n<\/p>\n<p dir=\"ltr\">B\u00e0i 7: T\u00ednh to\u00e1n<\/p>\n<p dir=\"ltr\">a) 516 kg + 234 kg<\/p>\n<p dir=\"ltr\">b) 948 g &#8211; 284 g<\/p>\n<p dir=\"ltr\">c) 57Hg x 14<\/p>\n<p dir=\"ltr\">D) 96 t\u1ea5n: 3<\/p>\n<p dir=\"ltr\">B\u00e0i h\u1ecdc 8: \u0110i\u1ec1n v\u00e0o con d\u1ea5u&gt;, &lt;, = trong tr\u1ed1ng<\/p>\n<p dir=\"ltr\">A) 93Hg &#8230; 380dag<\/p>\n<p dir=\"ltr\">b) 573kg &#8230; 5730Hg<\/p>\n<p dir=\"ltr\">c) 3 t\u1ea5n 150kg &#8230; 3150hg<\/p>\n<p dir=\"ltr\">D) 67 C\u1ea3m \u01a1n 50 Oats &#8230; 8395kg<\/p>\n<p dir=\"ltr\">B\u00e0i 9. M\u1eb9 \u0111\u00e3 mua 5 d\u01b0a h\u1ea5u, 2 n\u1eb7ng 450dag, 1 tr\u1ecdng l\u01b0\u1ee3ng 35Hg, 2 n\u1eb7ng 6000g. Bao nhi\u00eau kg n\u1eb7ng 5 kg?<\/p>\n<p dir=\"ltr\">B\u00e0i 10. M\u1ed9t con c\u00e1 da tr\u01a1n n\u1eb7ng 10000g, bi\u1ebft \u0111\u1ea7u n\u1eb7ng 750g, \u0111u\u00f4i n\u1eb7ng 450g. H\u1ecfi c\u00f3 bao nhi\u00eau km c\u00e2n c\u01a1 th\u1ec3 c\u00e1?<\/p>\n<p dir=\"ltr\">Th\u00f4ng qua b\u00e0i vi\u1ebft v\u1ec1 vi\u1ec7c \u0111o l\u01b0\u1eddng kh\u1ed1i l\u01b0\u1ee3ng tr\u00ean, kh\u1ec9 hy v\u1ecdng r\u1eb1ng b\u1ea1n hi\u1ec3u v\u00e0 ghi nh\u1edb ki\u1ebfn \u200b\u200bth\u1ee9c n\u00e0y, n\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nh\u01b0 th\u1ebf n\u00e0o cho cu\u1ed9c s\u1ed1ng. Cu\u1ed1i c\u00f9ng, \u0111\u1ec3 h\u1ecdc t\u1ed1t h\u01a1n (\u0111\u1eb7c bi\u1ec7t l\u00e0 h\u1ecdc sinh l\u1edbp 6), vui l\u00f2ng ch\u00fa \u00fd \u0111\u1ec3 th\u1ef1c hi\u1ec7n nhi\u1ec1u b\u00e0i t\u1eadp h\u01a1n trong cu\u1ed1n s\u00e1ch. Kh\u1ec9 ch\u00fac b\u1ea1n h\u1ecdc t\u1eadp t\u1ed1t. <\/p>\n<table style=\"border-collapse: collapse;margin-left: auto;margin-right: auto;width: 100%;background-color: #fbeeb8\" border=\"1\">\n<tr>\n<td style=\"width: 98.5932%;background-color: #3598db;text-align: center\">Cha m\u1eb9 kh\u00f4ng b\u1ecf l\u1ee1 c\u01a1 h\u1ed9i gi\u00fap tr\u1ebb em gi\u1ecfi ti\u1ebfng Anh tr\u01b0\u1edbc 10 tu\u1ed5i nh\u1edd \u1ee9ng d\u1ee5ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef.  <img 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\" width=\"185\"><\/td>\n<\/tr>\n<\/table>\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\u1ec3 \u0111o tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng, ch\u00fang t\u00f4i s\u1ebd d\u1ef1a v\u00e0o c\u00e1c c\u00f4ng c\u1ee5 \u0111o, c\u0169ng nh\u01b0 \u0111\u01a1n v\u1ecb \u0111o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh. V\u00ec v\u1eady, \u0111\u1ec3 gi\u00fap m\u1ecdi ng\u01b0\u1eddi hi\u1ec3u ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n n\u00e0y, Kh\u1ec9 s\u1ebd ph\u00e2n t\u00edch to\u00e0n b\u1ed9 ki\u1ebfn \u200b\u200bth\u1ee9c li\u00ean quan \u0111\u1ebfn t\u1eadp \u0111\u1ec3 n\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 th\u1ef1c&#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-14862","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14862","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=14862"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14862\/revisions"}],"predecessor-version":[{"id":17923,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/14862\/revisions\/17923"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=14862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=14862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=14862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}