Tài liệu SKKN Một Số Biện Pháp Giải Bài Toán Tìm x Cho Học Sinh Lớp 6. Phân loại: Phổ thông > Toán > Lớp 6. Chủ đề: Toán, Toán 6. Có bản xem trước trang đầu dạng HTML và PDF để tham khảo nội dung.

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.document-html-preview--word div.Section0{page:Section0;}</style><div class="document-html-preview__page document-html-preview__page--word" data-page="1"><o:p></o:p></h2><h2 style="margin-left:21.8000pt;text-indent:-21.8000pt;line-height:150%" >T&#202;N &#272;&#7872; T&#192;I:<o:p></o:p></h2><h2 style="line-height:150%" >“ M&#7896;T S&#7888; BI&#7878;N PH&#193;P GI&#7842;I &nbsp;D&#7840;NG TO&#193;N T&#204;M x CHO H&#7884;C SINH L&#7898;P 6 ”<o:p></o:p></h2><![if !supportLists]>I.&nbsp;<![endif]>PH&#7846;N M&#7902; &#272;&#7846;U:<o:p></o:p>1. L&#253; do ch&#7885;n &#273;&#7873; t&#224;i:<o:p></o:p>To&#225;n h&#7885;c l&#224; m&#7897;t m&#244;n khoa h&#7885;c c&#417; b&#7843;n, xu&#7845;t ph&#225;t t&#7915; nh&#7919;ng y&#234;u c&#7847;u c&#7911;a th&#7921;c t&#7871; c&#7911;a cu&#7897;c s&#7889;ng v&#224; tr&#7903; v&#7873; ph&#7909;c v&#7909; th&#7921;c t&#7871; &#273;&#7901;i s&#7889;ng khoa h&#7885;c – k&#7929; thu&#7853;t. M&#244;n to&#225;n l&#224; b&#7897; m&#244;n &#273;&#432;&#7907;c m&#7879;nh danh l&#224; th&#7875; thao c&#7911;a tr&#237; tu&#7879;, lu&#244;n &#273;&#242;i h&#7887;i ng&#432;&#7901;i h&#7885;c r&#232;n luy&#7879;n th&#432;&#7901;ng xuy&#234;n gi&#7919;a vi&#7879;c k&#7871;t h&#7907;p v&#7853;n d&#7909;ng ki&#7871;n th&#7913;c &#273;&#227; &#273;&#432;&#7907;c ti&#7871;p nh&#7853;n v&#224;o gi&#7843;i b&#224;i t&#7853;p trong &#273;&#243; c&#243; d&#7841;ng to&#225;n t&#236;m x, d&#7841;ng to&#225;n t&#236;m x r&#7845;t c&#417; b&#7843;n quan tr&#7885;ng &#273;&#7889;i v&#7899;i h&#7885;c sinh THCS m&#224; ta th&#7845;y n&#7871;u l&#224;m t&#7889;t b&#224;i to&#225;n t&#236;m x m&#7899;i l&#224; c&#417; s&#7903; l&#224;m d&#7841;ng to&#225;n gi&#7843;i ph&#432;&#417;ng tr&#236;nh, hay gi&#7843;i b&#224;i to&#225;n b&#7857;ng c&#225;ch l&#7853;p ph&#432;&#417;ng tr&#236;nh g&#7863;p &#7903; l&#7899;p 8 v&#224; l&#7899;p 9 n&#234;n &#273;&#242;i h&#7887;i t&#7845;t c&#7843; c&#225;c &#273;&#7889;i t&#432;&#7907;ng h&#7885;c sinh l&#7899;p 6 hay l&#7899;p 7 ph&#7843;i l&#224;m t&#7889;t l&#224;m th&#224;nh th&#7841;o d&#7841;ng to&#225;n t&#236;m x. Do &#273;&#243; trong c&#225;c k&#236; thi kh&#7843;o s&#225;t, gi&#7919;a k&#236; &#273;&#7873;u c&#243; b&#224;i to&#225;n t&#236;m x. <o:p></o:p>D&#7841;ng to&#225;n t&#236;m x kh&#244;ng c&#243; g&#236; m&#7899;i l&#7841; &#273;&#7889;i v&#7899;i h&#7885;c sinh l&#7899;p 6. &#7902; ti&#7875;u h&#7885;c c&#225;c em &#273;&#227; l&#224;m quen v&#7899;i c&#225;c d&#7841;ng to&#225;n t&#236;m x trong t&#7853;p h&#7907;p c&#225;c s&#7889; t&#7921; nhi&#234;n v&#224; ch&#7881; &#273;&#7873; c&#7853;p &#273;&#7871;n c&#225;c b&#224;i to&#225;n t&#236;m x &#273;&#417;n gi&#7843;n ch&#7881; v&#7853;n d&#7909;ng m&#7897;t v&#224;i quy t&#7855;c, ch&#7881; c&#7847;n h&#7885;c sinh th&#7921;c h&#224;nh nhi&#7873;u l&#224; c&#243; th&#7875; nh&#7899; v&#224; l&#224;m t&#7889;t. Nh&#432;ng l&#234;n l&#7899;p 6 h&#7885;c sinh ph&#7843;i g&#7863;p nhi&#7873;u b&#224;i to&#225;n t&#236;m x trong t&#7853;p h&#7907;p s&#7889; nguy&#234;n ph&#7843;i v&#7853;n d&#7909;ng nhi&#7873;u b&#432;&#7899;c bi&#7871;n &#273;&#7893;i, ph&#7843;i s&#7917; d&#7909;ng nhi&#7873;u quy t&#7855;c &#273;&#7875; m&#7899;i c&#243; th&#7875; t&#236;m &#273;&#432;&#7907;c x trong khi &#273;&#243; s&#225;ch gi&#225;o khoa v&#224; c&#225;c lo&#7841;i s&#225;ch kh&#225;c &#7903; l&#7899;p 6 kh&#244;ng n&#234;u t&#243;m t&#7855;t c&#225;c b&#432;&#7899;c l&#224;m b&#224;i to&#225;n t&#236;m x d&#7851;n &#273;&#7871;n h&#7885;c sinh kh&#244;ng &#273;&#7883;nh h&#236;nh &#273;&#432;&#7907;c c&#225;c b&#432;&#7899;c l&#224;m, kh&#244;ng bi&#7871;t b&#7855;t &#273;&#7847;u t&#7915; b&#432;&#7899;c n&#224;o, nh&#7847;m l&#7851;n gi&#7919;a c&#225;c b&#432;&#7899;c cu&#7889;i c&#249;ng l&#224; kh&#244;ng l&#224;m &#273;&#432;&#7907;c. <o:p></o:p>Ch&#237;nh v&#236; nh&#7919;ng l&#237; do n&#234;u tr&#234;n khi&#7871;n t&#244;i suy ngh&#297;, tr&#259;n tr&#7903; v&#224; m&#7841;nh d&#7841;n n&#234;u ra s&#225;ng ki&#7871;n c&#7911;a m&#236;nh: “ M&#7897;t s&#7889; bi&#7879;n ph&#225;p gi&#7843;i d&#7841;ng to&#225;n t&#236;m x cho h&#7885;c sinh l&#7899;p 6” t&#7915; &#273;&#243; h&#7885;c sinh c&#243; th&#7875; l&#224;m t&#7889;t t&#7845;t c&#7843; c&#225;c d&#7841;ng to&#225;n t&#236;m x, gi&#225;o vi&#234;n d&#7877; d&#224;ng h&#432;&#7899;ng d&#7851;n h&#7885;c sinh l&#224;m b&#224;i t&#7853;p.&nbsp;H&#417;n n&#7919;a c&#242;n trang b&#7883; cho c&#225;c em ki&#7871;n th&#7913;c g&#7889;c &#273;&#7875; gi&#7843;i c&#225;c ph&#432;&#417;ng &nbsp;tr&#236;nh v&#224; gi&#7843;i b&#7845;t ph&#432;&#417;ng tr&#236;nh &#7903; c&#225;c l&#7899;p tr&#234;n.<o:p></o:p>2. M&#7909;c ti&#234;u, nhi&#7879;m v&#7909; c&#7911;a &#273;&#7873; t&#224;i:<o:p></o:p> - &#272;&#225;nh gi&#225; th&#7921;c tr&#7841;ng k&#297; n&#259;ng gi&#7843;i to&#225;n t&#236;m x c&#7911;a h&#7885;c sinh l&#7899;p 6 tr&#432;&#7901;ng THCS Phan &#272;&#236;nh Ph&#249;ng.<o:p></o:p></div></section>

SKKN Một Số Biện Pháp Giải Bài Toán Tìm x Cho Học Sinh Lớp 6

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