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NBHIEN CDU Li LUAN D REN LUYEN Kl NANG SUTDUNG NGON NGff TOAN HOC CHO HOC SINH DITB! DAI HOC NBUYEN THANH HUNG Email hUDglapttiao dbtn@gmall CDm KIEU MANH HUN6 Email l(mhungdhtn@gmail com Tnfjmg Bai t[.]
NBHIEN CDU Li LUAN D REN LUYEN Kl NANG SUTDUNG NGON NGff TOAN HOC CHO HOC SINH DITB! DAI HOC NBUYEN THANH HUNG - Email: hUDglapttiao.dbtn@gmall.CDm KIEU MANH HUN6 - Email: l(mhungdhtn@gmail.com Tnfjmg Bai tioc lii Ngifyen Tdm tdt: Hoc sinh dUbi dgi hge chd yiu Id ddi tuang-ddn tpc thieu sd sinh sdng d cdc tinh vung nui, stf dung nhiiu ngdn ngtf khde nhau, cd nhiiu hge sinfi-phdt dm chua chuan tiing thdng Tuy nhien, ngdn ngtf Igi Id chia khda de tiip can vd md rpng tri thtfc, trao doi tn thtfc gitfa gido viin vdi hoc sinh vd gitfa hoc sinh vdi hge sinh demdrpng hieu biit vd hge hdi Idn Ngdn ngtf todn hge ed vai trd quan trong viee thtfc hiin muc tiiu dgy hge mdn Todn cho hoc sinh dtfbi dgi hge Trong bdi viet ndy, tdc gid trinh bdy mpt sd bien phdp ren luyen kindng stf dung ngdn ngtf todn hge cho hge sinh dtfbi dai hge Qua giup hoe sinh phdt trien tuduy logic, khd ndng lap ludn cung nhu nang lUe trinh bdy cdc vdn de todn hge Ttfdd, gdp phdn ndng cao chdt lugng dgy hge mdn Todn eung nhuehdt lugng ddo tgo dtfbi dgi hge Ttf khda: Ki ndng; ngdn ngtf todn hge; hoc sinh; dtfbi dgi hge (Nhan bdi 20/12/2016; Nhdn kit qud phdn bien vdchinh stfa ngdy 30/12/2016; Duyet ddng ngdy 25/01/2017) Dat van de Hoe sinh (HS) dy bj dai hoc (DBDH) chu ylu la ddi tUOTig dan tdc thilu sd, sinh sdng d eae tinh vung nui, sQdyng nhieu ngdn ngQ (NN) khlc nhau, dd ed nhieu HS phat I m chua chuan tieng phd thdng Tuy nhien NN lai la chia khda de riep can va md rdng tri thQc, trao ddi tri thQc giQa giao viln (GV) vdi HS v l giQa HS vdi HS de md rpng hilu biet v l hpe hdi lan NN toan hpe (NNT1-I) cd vai trd quan trpng viec thyc hien myc tieu day hoc (DH) mdn Toan cho HS DBDH Trong qua trinh hpe tap, HS Einh hdi duoc kiln thQc va hieu kiln thQc, nhien HS thQdng khdng t h i diln dat va trinh bay dQOC mdt each logic v l mach lac PhIt triln NNTH la budc dau phIt trien nang lye tQ duy, nang suy luan va dien dat dung (ndi va vilt), each phat hien va elch gili quyet van d l don giln, gan gui cudc sdng Viec ren luyen kTnang sQdyng NNTH gdp phan phIt triln tuduy toln hpe (TH), thUe hanh giao tiep TH, nam viOng kiln thQc TH, van dung TH va dap Qng nhieu yeu eau khae ve van hdaTTi Bdi vay, DH Toan cho HS DBDH, GV can quan tam thich ding d i n viec ren luyen ki nang sQdung NNTW cho HS Ngdn ngQtQ nhien, ngdn ngQ toan hoc 2.1 Ngdn ngtftUnhien NN tQ nhien Id he thdng nhQng am, nhQng t d va nhdng quy tac k i t hpp chung, lam phQong tien de giao tiep chung cho mdt cdng ddng [1] Trong bli viet nay, chung ta cd the hieu NN tU nhien la he thdng cle kf hieu va cac quy tac k i t hop chung lam phucfng tien giao tiep chung eho mdt cdng ddng 2.2 Ngdn ngdtodn hge NNTH ia he thdng gdm cle ki hieu (chd sd, chd cai, ki tu alphabetic dau cac phep toan, dau quan he va cac dau ngoac), thuat ngQ (tQ, cum Xifi, bilu tupng (hinh Inh, hinh ve, so hole md hinh eua ddi tQpng) v l cac quy tdc k i t hpp chung dijng lam phuong tien d l dien dat ndi dung TH mot elch logic, chinh xac, rd rang Cle kf hieu TH khudn khd toan phd thdng cd t h i chia Idm cdc nhdm sau: * Nhdm ki hieu v l phep tinh: Cdng {+) trQ (-), nhan (•), chia (:) phIp khai can (can bac hai V ), (cln bac n \' I ki hieu phep luy thda (a", dd a e §); ki hieu phlptinh logarlt (log N,trong < a * 1, N > 0); phep tfnh tfch p h l n ( f / ( j : ) ) * Nhdm ki hieu v l quan he: Quan he ve so luong: Idn h a n ' > ' nhdhon'