{"id":26317,"date":"2025-08-26T16:31:10","date_gmt":"2025-08-26T09:31:10","guid":{"rendered":"https:\/\/xbook.tutbrand.vn\/?post_type=lp_course&p=9111"},"modified":"2025-10-29T00:34:13","modified_gmt":"2025-10-28T17:34:13","slug":"toan-9-tap-1-cd-ly-thuyet","status":"publish","type":"lp_course","link":"https:\/\/xbookvn.com\/de\/xbook\/toan-9-tap-1-cd-ly-thuyet\/","title":{"rendered":"TO\u00c1N 9# T\u1eadp 1 – CD – L\u00fd thuy\u1ebft"},"content":{"rendered":"

S\u00c1CH TO\u00c1N L\u1edaP 9 – NXB C\u00e1nh Di\u1ec1u. <\/strong><\/h3>\n

TUTBook\u2122 \u2013 xBook: Tr\u1ea3i nghi\u1ec7m v\u00f4 h\u1ea1n trong t\u1eebng trang To\u00e1n h\u1ecdc<\/strong><\/h4>\n

SGK To\u00e1n 9, T\u1eadp 1 kh\u00f4ng ch\u1ec9 c\u00f2n l\u00e0 nh\u1eefng trang gi\u1ea5y t\u0129nh l\u1eb7ng. V\u1edbi n\u1ec1n t\u1ea3ng xBook<\/strong>, m\u1ed7i b\u00e0i h\u1ecdc, m\u1ed7i c\u00f4ng th\u1ee9c \u0111\u01b0\u1ee3c \u201cm\u1edf kh\u00f3a\u201d th\u00e0nh m\u1ed9t tr\u1ea3i nghi\u1ec7m \u0111a chi\u1ec1u:<\/p>\n

T\u1eeb l\u00fd thuy\u1ebft sang m\u00f4 ph\u1ecfng tr\u1ef1c quan
\n<\/strong>+ C\u00e1c \u0111\u1ecbnh l\u00fd, c\u00f4ng th\u1ee9c nh\u01b0 h\u1ec7 th\u1ee9c l\u01b0\u1ee3ng trong tam gi\u00e1c<\/strong>, \u0111\u1ed3 th\u1ecb h\u00e0m s\u1ed1 b\u1eadc nh\u1ea5t v\u00e0 b\u1eadc hai<\/strong>, hay bi\u1ec3u th\u1ee9c c\u0103n th\u1ee9c<\/strong> \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1ed1 h\u00f3a.
\n+ H\u1ecdc sinh c\u00f3 th\u1ec3 xem m\u00f4 h\u00ecnh \u0111\u1ed9ng, \u0111\u1ed3 th\u1ecb tr\u1ef1c ti\u1ebfp<\/strong>, ho\u1eb7c k\u00e9o-th\u1ea3 \u0111\u1ec3 thay \u0111\u1ed5i tham s\u1ed1 v\u00e0 quan s\u00e1t k\u1ebft qu\u1ea3.<\/p>\n

T\u00edch h\u1ee3p tr\u00f2 ch\u01a1i v\u00e0 th\u1eed th\u00e1ch
\n<\/strong>+ Sau m\u1ed7i c\u00f4ng th\u1ee9c c\u00f3 mini game<\/strong>: \u0111o\u00e1n nhanh nghi\u1ec7m ph\u01b0\u01a1ng tr\u00ecnh, gh\u00e9p \u0111\u00fang \u0111\u1ed3 th\u1ecb, hay t\u00ednh di\u1ec7n t\u00edch h\u00ecnh h\u1ecdc qua thao t\u00e1c tr\u1ef1c ti\u1ebfp.
\n+ Gamification gi\u00fap t\u0103ng s\u1ef1 t\u1eadp trung v\u00e0 bi\u1ebfn To\u00e1n h\u1ecdc th\u00e0nh h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1.<\/p>\n

\u1ee8ng d\u1ee5ng th\u1ef1c ti\u1ec5n & li\u00ean m\u00f4n
\n<\/strong>+ To\u00e1n 9 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi V\u1eadt l\u00fd (chuy\u1ec3n \u0111\u1ed9ng, l\u1ef1c), H\u00f3a h\u1ecdc (t\u1ec9 l\u1ec7 ph\u1ea3n \u1ee9ng), Sinh h\u1ecdc (t\u0103ng tr\u01b0\u1edfng), Kinh t\u1ebf (b\u00e0i to\u00e1n l\u00e3i su\u1ea5t, h\u00f2a v\u1ed1n)<\/strong>.
\n+ C\u00e1c c\u00f4ng th\u1ee9c kh\u00f4ng ch\u1ec9 \u0111\u1ec3 gi\u1ea3i b\u00e0i t\u1eadp m\u00e0 c\u00f2n gi\u1ea3i th\u00edch hi\u1ec7n t\u01b0\u1ee3ng th\u1ef1c t\u1ebf, g\u1eafn v\u1edbi ngh\u1ec1 nghi\u1ec7p sau n\u00e0y.<\/p>\n

C\u1ed9ng \u0111\u1ed3ng & d\u1eef li\u1ec7u h\u1ecdc t\u1eadp
\n<\/strong>+ M\u1ed7i h\u1ecdc sinh c\u00f3 t\u00e0i kho\u1ea3n \u0111\u1ecbnh danh K12<\/strong>, qu\u00e9t QR \u0111\u1ec3 l\u01b0u ti\u1ebfn \u0111\u1ed9.
\n+ Gi\u00e1o vi\u00ean v\u00e0 ph\u1ee5 huynh theo d\u00f5i k\u1ebft qu\u1ea3 h\u1ecdc t\u1eadp qua b\u00e1o c\u00e1o chi ti\u1ebft (\u0111i\u1ec3m quiz, th\u1eddi gian l\u00e0m, t\u1ec9 l\u1ec7 \u0111\u00fang).<\/p>\n

B\u1ea3o m\u1eadt & b\u1ea3n quy\u1ec1n
\n<\/strong>SGK To\u00e1n 9 b\u1ea3n in \u0111\u01b0\u1ee3c g\u1eafn QR + ISBN + s\u1ed1 s\u00ea-ri<\/strong>, gi\u00fap b\u1ea3o v\u1ec7 b\u1ea3n quy\u1ec1n v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh th\u1ed1ng c\u1ee7a h\u1ecdc li\u1ec7u.<\/p>\n

Gi\u00e1 tr\u1ecb n\u1ed5i b\u1eadt khi h\u1ecdc SGK To\u00e1n 9 qua xBook:<\/strong><\/h4>\n

+ D\u1ec5 hi\u1ec3u h\u01a1n<\/strong>: kh\u00f4ng ch\u1ec9 \u0111\u1ecdc c\u00f4ng th\u1ee9c m\u00e0 c\u00f2n \u0111\u01b0\u1ee3c nh\u00ecn – ch\u1ea1m – ch\u01a1i v\u1edbi To\u00e1n.
\n+ Nh\u1edb l\u00e2u h\u01a1n<\/strong>: h\u1ecdc th\u00f4ng qua h\u00ecnh \u1ea3nh, m\u00f4 ph\u1ecfng v\u00e0 tr\u1ea3i nghi\u1ec7m th\u1ef1c t\u1ebf.
\n+ \u1ee8ng d\u1ee5ng r\u1ed9ng h\u01a1n<\/strong>: t\u1eeb l\u1edbp h\u1ecdc t\u1edbi \u0111\u1eddi s\u1ed1ng, t\u1eeb gi\u1ea3i b\u00e0i t\u1eadp t\u1edbi hi\u1ec3u bi\u1ebft khoa h\u1ecdc.
\n+ K\u1ebft n\u1ed1i to\u00e0n di\u1ec7n<\/strong>: h\u1ecdc sinh – gi\u00e1o vi\u00ean – ph\u1ee5 huynh – nh\u00e0 xu\u1ea5t b\u1ea3n c\u00f9ng tham gia m\u1ed9t h\u1ec7 sinh th\u00e1i h\u1ecdc t\u1eadp s\u1ed1.<\/p>\n

\u0110\u00e2y s\u1ebd l\u00e0 phi\u00ean b\u1ea3n SGK To\u00e1n 9 \u2013 T\u1eadp 1<\/strong> mang t\u00ednh c\u00e1ch m\u1ea1ng: t\u1eeb s\u00e1ch h\u1ecdc truy\u1ec1n th\u1ed1ng, tr\u1edf th\u00e0nh s\u00e1ch t\u01b0\u01a1ng t\u00e1c th\u1ebf h\u1ec7 m\u1edbi<\/strong>, do TUTBook\u2122 ph\u00e1t tri\u1ec3n<\/strong> tr\u00ean n\u1ec1n t\u1ea3ng xBook<\/strong>.<\/p>\n

\nCH\u01af\u01a0NG I. PH\u01af\u01a0NG TR\u00ccNH V\u00c0 H\u1ec6 PH\u01af\u01a0NG TR\u00ccNH B\u1eacC NH\u1ea4T<\/summary>\n
    \n
  1. \n
      \n
    1. Ph\u01b0\u01a1ng tr\u00ecnh quy v\u1ec1 ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t m\u1ed9t \u1ea9n<\/li>\n
    2. Ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t hai \u1ea9n. H\u1ec7 hai ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t hai \u1ea9n<\/li>\n
    3. Gi\u1ea3i h\u1ec7 hai ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t hai \u1ea9n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/details>\n
      \nCH\u01af\u01a0NG II. B\u1ea4T \u0110\u1eb2NG TH\u1ee8C. B\u1ea4T PH\u01af\u01a0NG TR\u00ccNH B\u1eacC NH\u1ea4T M\u1ed8T \u1ea8N<\/summary>\n
        \n
      1. \n
          \n
        1. B\u1ea5t \u0111\u1eb3ng th\u1ee9c<\/li>\n
        2. B\u1ea5t ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t m\u1ed9t \u1ea9n<\/li>\n
        3. B\u00e0i t\u1eadp cu\u1ed1i ch\u01b0\u01a1ng II<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/details>\n
          \nCH\u01af\u01a0NG III. C\u0102N TH\u1ee8C<\/summary>\n
            \n
          1. \n
              \n
            1. C\u0103n b\u1eadc hai v\u00e0 c\u0103n b\u1eadc ba c\u1ee7a s\u1ed1 th\u1ef1c<\/li>\n
            2. M\u1ed9t s\u1ed1 ph\u00e9p t\u00ednh v\u1ec1 c\u0103n b\u1eadc hai c\u1ee7a s\u1ed1 th\u1ef1c<\/li>\n
            3. C\u0103n th\u1ee9c b\u1eadc hai v\u00e0 c\u0103n th\u1ee9c b\u1eadc ba c\u1ee7a bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1<\/li>\n
            4. M\u1ed9t s\u1ed1 ph\u00e9p bi\u1ebfn \u0111\u1ed5i c\u0103n th\u1ee9c b\u1eadc hai c\u1ee7a bi\u1ec3u th\u1ee9c \u0111\u1ea1i s\u1ed1<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/details>\n
              \nCH\u01af\u01a0NG IV. H\u1ec6 TH\u1ee8C L\u01af\u1ee2NG TRONG TAM GI\u00c1C VU\u00d4NG<\/p>\n<\/summary>\n
                \n
              1. \n
                  \n
                1. T\u1ec9 s\u1ed1 l\u01b0\u1ee3ng gi\u00e1c c\u1ee7a g\u00f3c nh\u1ecdn<\/li>\n
                2. M\u1ed9t s\u1ed1 h\u1ec7 th\u1ee9c v\u1ec1 c\u1ea1nh v\u00e0 g\u00f3c trong tam gi\u00e1c vu\u00f4ng<\/li>\n
                3. \u1ee8ng d\u1ee5ng c\u1ee7a t\u1ec9 s\u1ed1 l\u01b0\u1ee3ng gi\u00e1c c\u1ee7a g\u00f3c nh\u1ecdn<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/details>\n
                  \nCH\u01af\u01a0NG V. \u0110\u01af\u1edcNG TR\u00d2N<\/p>\n<\/summary>\n
                    \n
                  1. \n
                      \n
                    1. \u0110\u01b0\u1eddng tr\u00f2n. V\u1ecb tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a hai \u0111\u01b0\u1eddng tr\u00f2n<\/li>\n
                    2. V\u1ecb tr\u00ed t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng v\u00e0 \u0111\u01b0\u1eddng tr\u00f2n<\/li>\n
                    3. Ti\u1ebfp tuy\u1ebfn c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n<\/li>\n
                    4. G\u00f3c \u1edf t\u00e2m. G\u00f3c n\u1ed9i ti\u1ebfp<\/li>\n
                    5. \u0110\u1ed9 d\u00e0i cung tr\u00f2n, di\u1ec7n t\u00edch h\u00ecnh qu\u1ea1t tr\u00f2n, di\u1ec7n t\u00edch h\u00ecnh v\u00e0nh khuy\u00ean<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/details>","protected":false},"excerpt":{"rendered":"

                      S\u00c1CH TO\u00c1N L\u1edaP 9 – NXB C\u00e1nh Di\u1ec1u. TUTBook\u2122 \u2013 xBook: Tr\u1ea3i nghi\u1ec7m v\u00f4 h\u1ea1n trong t\u1eebng trang To\u00e1n h\u1ecdc SGK To\u00e1n 9, T\u1eadp 1 kh\u00f4ng ch\u1ec9 c\u00f2n l\u00e0 nh\u1eefng trang gi\u1ea5y t\u0129nh l\u1eb7ng. V\u1edbi n\u1ec1n t\u1ea3ng xBook, m\u1ed7i b\u00e0i … <\/p>","protected":false},"author":1,"featured_media":26318,"comment_status":"open","ping_status":"closed","template":"","course_category":[79,105],"course_tag":[102,103,86,89,104],"class_list":["post-26317","lp_course","type-lp_course","status-publish","has-post-thumbnail","hentry","course_category-sgk","course_category-toan","course_tag-cap-ii","course_tag-ket-noi-tri-thuc","course_tag-sach-giao-khoa","course_tag-sgk","course_tag-toan","pmpro-has-access","course"],"_links":{"self":[{"href":"https:\/\/xbookvn.com\/de\/wp-json\/wp\/v2\/lp_course\/26317","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xbookvn.com\/de\/wp-json\/wp\/v2\/lp_course"}],"about":[{"href":"https:\/\/xbookvn.com\/de\/wp-json\/wp\/v2\/types\/lp_course"}],"author":[{"embeddable":true,"href":"https:\/\/xbookvn.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xbookvn.com\/de\/wp-json\/wp\/v2\/comments?post=26317"}],"version-history":[{"count":2,"href":"https:\/\/xbookvn.com\/de\/wp-json\/wp\/v2\/lp_course\/26317\/revisions"}],"predecessor-version":[{"id":26992,"href":"https:\/\/xbookvn.com\/de\/wp-json\/wp\/v2\/lp_course\/26317\/revisions\/26992"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xbookvn.com\/de\/wp-json\/wp\/v2\/media\/26318"}],"wp:attachment":[{"href":"https:\/\/xbookvn.com\/de\/wp-json\/wp\/v2\/media?parent=26317"}],"wp:term":[{"taxonomy":"course_category","embeddable":true,"href":"https:\/\/xbookvn.com\/de\/wp-json\/wp\/v2\/course_category?post=26317"},{"taxonomy":"course_tag","embeddable":true,"href":"https:\/\/xbookvn.com\/de\/wp-json\/wp\/v2\/course_tag?post=26317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}