DIHH DAY HOC MOH lOAN mUONG PHD THONG HUONG SU DUNG IHIH BI o TS BANG TH! THU THUY* hu5ng dQY hoc nco, thai Ivqng, thai di€m sli dyng,,, - Tranh gi60 khoa: GV c5n II/a chon vi trl va thai di~m tree tranh thich h9'P,dan dat HS khai thacccc thon~ tin tren tranh bang ccc cau hoi dlnh hvang Co thekhai thacthongtin trenccc tranh d~ sli dVng coc khau cua qua trlnh dQYhoc nhv: nau van d~, giang giai minh hoc, kham pha tri thllc mail cung c5, on tQP,luy~ntQP· - Md hinh g;ao khoa: N~u GV dung mo hlnh gl60 khoa d€ giai thich hay minh hqa, c5n tim vi trf dQt mo hlnh cho s5 HS lap d~u h;~u qua va tfnh h/~u qua c/o pha; c/vqc c/(lttrong quan sat dvqc; n6u hOQtdQng theo nhom, GV m6; quan h~ vol c/61mol phlJOTlgphap dgy hi;>c c5n nau ro nhi~m vy nghlen CIlUd~ cac nhom co th€ thao tac voi mo hlnh, thao IUQnnham phat (PPOH) Theechung tOi,d~ sli dl,JngTBDHco hl~u qua hien ki~n thllc mal - Ol,mg CII: Cac dvng CI,Jnhv thooc ke, compo, thi guo trinh sli dl,JngTBDHphai tQodvqc hllng eke, giac k6,,, nen dung nhOngbal rEmki thu hqc tQPcho HS,tang nh!p dQ nghien CIlUtai nang ve, tinh t06n va cac bei thl/c hanh h~u, thoa man nhu c5u nhQnthllc cua cac emva phdn m~m dgy hi;>c(PMOH): GV can can phai dQt dvqc ml,Jctieu dQYhqc Qua nghien CIlUva thl/c nghi~m, dvoi day, chung toi d~ xuat nhac II/a chqn ph5i hqp ~iOa cac 10QlTBDH, mQt s5 d!nh hvang sli dl,JngTBDHco hi~u qua chang hQn, dung PMDH ket hqp val bang phv, nham gop ph5n nang coo chat Ivqng dQYhqc phl6u hQ' tQP,'" chqn thai di€m sli dl,Jngdung luc, hqp II, hQn ch~ vi~c sli dyng PMDH chi d€ mon Toan a trvang ph6 thong GV, HSavqc bl cach SU dl,lngTSDH trlnh chl~u, cung cap san thong tin, khl~n ngval D€ ph6t huy hi~u qua cua vi?c sli dl,JngTBDH, hqc tro nan thy dQng hqc tQP,GV c5n tQo tru6c h6t,nguOisli dl,Jngc5nnamdvqc c6chdung, di~u ki~n t5i cho HS dvqc thao tac trl/C ti~p cac tinh nang cua TBDHdO N~u la TBDHdon tren PMDH d€ kham pha kl~n thllC mal hoQcon gian, chi c5n vQn hanh thli, n6u 10TBDH phllc tQP,cung c5 ki6n thllc - TBOH c/i~n tli: Cho HS thao tac, di chuy€n tQP,c5n dqc ki hoong dan sli dvng hoQcdvqc d~m~ x~y, IQt, qua~ sat Sl/ ~ay d61cua c~c tQPhuan cach dung Chang h(;m,d~ sli dl,Jngban d6 tu duy, ngvai yeu to lien quan, GV co SI/gqi Y cho HS can sli dlJng c5n hl~u ro y d6, c6ch dung mau sac, thi~t d€ rut ki~n thvc TBDHdi~n tli dung d~ cach thl~t k~, trlnh bay nQidung mQchIQc,logic thay th~ mQts5TBDHtruy~n th5ng nhv mo hlnh, N6u sli dlJng phan m~m va ban d6 tv dvng cv va mQts5 y~u t5 «T06n hqc dQng" nhU' (Mindmap), can bi~t cach cai dQt cac chllc hinh chv nhQt quay quanh mQtcQnhtQOthanh nang co ban cua phan m~m Trong k~ hOQch hlnh tn,J,Sl/ bi~n thien cua d6 thi y = ax2 voi a dQY hqc, n~u sli dlJng ph5n m~m Sketchpad, thay d6i,." vr dll: Trong bai «Ham 56" (DQi 5610), HS GeoGebra, " GV ccln co tai Ii~u hvong dan , "' sli dl,Jngcac chllc nang co ban nhat cua cac c5n di chuQtvao dinh A tran d6 th!, quan sat d~ ghi k~t qua vao may tinh hoQcghi vao phi~u hqc phan m~m GV can nOm vvng aqc di~m cua h)ng _ loqi hinh TBDH mon T06n, nen dung v60 tlnh * Vi~nKhoaIIqcgiaod~cVi~tHam rong qu6 trlnh dQYhoc a truOngph6 thong, hqc sinh (HS)co th~ ITnhhQi ki~n thllc moi qua lai giang b6i cue gi60 vien (GV), qua nQi dung s6ch gi~O khoa (SGK)va c6c tai Ii~u hoc tQPkh6c Thlet bi dgr hi;>c(T~OH)fa phvcmg ti~n ch6a c/vng va chuyen tal klen th6c dvqc coi la mQt nhOng ng~6n tri thllc q~an trqng NhOng nom qua, a nhieu trvong thong da dVQ'Ctrang b! mQts51vqngh rongd5i Ion TBDH Khl tri~n khai thee chvang trinh dQi tra SGK tren toan qu5c, van d~ dQtra la phai sli dl,JngTBDH cho co hi~u gua TBOHcdn c/vqc SV dl,lng co T ~ T_a_p_C_h_iG_I_aO_d~~_C_s_6_2_9_5 (k_._'-._'O~/_20_'_~ t¢p d~ rut nh¢n xet v~ chi~u bi~n thien cuo d6 th] d • t vua phai dam boo nguyen tac th6ng nhat giOa cai cu th~ va cai rruu tvqng dQYh9Cmen Ioan GV can yeu cau HS dung phvcnq tl~n true quan van hr v~ eel truu tl/qng Itvc quan ham s6 r Ii ~'!''':~~''~'~~&_'~~'~'· • ·1 • I 01 / ã DI chuÂ1\'~ IlihhA tr'n di\ L t d vr& qu c vt h.n If:, l'! ~hi'lI btaft tbl6n h'm ~ rAJpi via bhgdlrCrt ely r A c1{mglue, c1ung eha, c1ung mue c1¢ va c(fong c1¢, C'u 10 cha dva c1d dv c10an kh6m ph6 chu khong phdi /0 ph (fang ti~n chung mlnh nhang m~nh c1~ toan hc;>c.HScan bi€t tv trou tvqng dang sl}dl,JngtrlfCquan,tranh IQmdl,lngtrlfCquan, bl€t «dung", bi~t «ba" TBDHdung luc.ChOnghQn, ·1.33 du ba goc cua rat nhi~u tam giac cOngkhong k6tlu¢n t6ng bci g6c cua mQttamgiac bOng 1800, ma di~u chi d~ gqi cho to hl1ang suy nghi, hl1angd€n vi~c «quy" ba goc cua mQttam giac Ph6i hqp sUod",ng cac IOQihinh TBDH v~ mQtgoc ~t, dan d€n vi~c ke dvong phv nhv GV can ph61hqp sl}dl,lngcac 10Qihinh TBDH SGK Toan • • * cho dQt.hi~u qua coo nhat trong~qua tr!nh Sli dvng TBDHcan xuyen su6tquan di~m: sv dQYhQC.ChanghQn,khi cho HShOQtd9n9 nhom, n~u k~thqp vai vi~ sl} d",ng may chi~u nang, dc,mg TBDH theo hv6ng tfch evc hoa hoqt c1¢ng GV co th~ chi€u cac phi€u h9Ct¢p hay bang phl,l hc;>ctgp eua HS, tgo mol troong thugn Iql c1dHS cua cac nhom len may chi€u, co lap theo doi d~ eo thd Igp lugn, suy dien, giup cac em ehl6m Irnh nh¢n xet, b6 sung,dung but chOasai sotlenphi€u kl6n thvc, sv dvng TBDH phdl c1dm bao cae yeu edu cua c1elimal PPDH Mvc dQ, tan s6 sUo dvng h9Ct¢p (n€u co) vr dv: Khi dQy hQCbei: Djnh Ir_Py-to-go(Toon7), TBDHh5 trq trlfc quan giam dan, d6ng thai yeu GV vua co th~'k€t hqp cho HSdo goc, cat ghep cau I¢p lu¢n,suydien satong dan ac6c lap tren.D goc cua mQttam glac tren giay, bia, vua k€t hqp si} dvng phan m~m Sketchpad,mo phong s6 Tai Ii~u tham khao ba goc, mo phong cat ghep goc TrAn Dlnh CMu - D~ng Thj Thu Thuy (Tng dQng Khong colOQi hinh TBDHnao la vQnnang d~ cbng ngh~ thOng tin d~y hQc mOn Tmin & co th~ sl} dvng cho tat co cac tlnh hu6ng di~n tnnmg pM tMng NXB Giao d{lc Vi~tNam H 2011 hlnh dQYh9Cmon Toan (dQYhQCkhal ni~m, TrAnQu6c Dllc (cM bien) M~t 56 vifn d~ Iilu*n va dinh If, giai bel t¢p t06n, ), GV can nghlen c6u thl,l'Cti~n cua vi~c xAyd\fl1gcO'sa v~t chift va thi~t bj va thl€t k€, dU'CIra cac bl~n phap sv phQmthrch d~y hQc NXB D(li h