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PHATTRllNNANIIlllGilAiGIAiOyJiHDCTAPCHOSINHVliN NGANH SIIPHAMIDAN THONG QUA DAY HOG GAG HOG PHAN NGHIiPVUSIfPHAM TS PHAIVI XUAN C H U N G '''' Abstract In this study, we exploit activities of teaching th[.]
PHATTRllNNANIIlllGilAiGIAiOyJiHDCTAPCHOSINHVliN NGANH SIIPHAMIDAN THONG QUA DAY HOG GAG HOG PHAN NGHIiPVUSIfPHAM TS PHAIVI X U A N C H U N G ' Abstract: In this study, we exploit activities of teaching the pedagogic professional module for mathematical pedagogical students, in detail the activity of building new sums from given ones, to train activities of assessing learning results: Thereby, to contribute to developing competence of learning results assessment for mathematical pedagogical students I.Danhgiaketquahpctap(DGKQHT) la ttianh td quan trpng qua trinh day hpe (DIH) Danh gia (DG) vira ehiu tae dpng tnJC tiep cua cac to khac qua trinh DH, lai vda ed tac dpng trd lai de hieu chtnh qua trinh DH Chinh vi vay, Chuan nghe nghiep giao vien taing hpc c o s d vagiao vien (G V} tmng hpc phd'ttidng, nang luc DGKQHT dupc xem lamdttrongnhungtieu ehuan cua ngudi thay Thenhung chuong trinh dao tao nghe cho sinh vien (S V) nganh su pham Toan hpc cac tardng dai hqc ndi ehung chua dupc quan tam dung mdc ve vande Dethuc hien hoat ddng DGKQHT cua hpe sinh (HS) ve mdt mdn hpc cy the nao dd it nhat giao sinh phai cd tri thuc ve khoa hpc DG, tri thdc khoa hoove mdn hpc ma minh DGKQHT, tri thu'c ve phuang phap day hpc (PPDH) bd mdn, Cd the ndi DGKQHT ciia HS lien quan tdi nhieu linh vUe kien thu'c khac nhau, dd neu viec chuan bj ehi diln hpc phan "Kiem tta (KT) DG giao dud thi khdng tan dyng dupc cae tinh hudng ttong qua frinh DH giup SV hieu sau sac, thay dupe vaitrdquan trpng cua D G , hon nua khdng du thdi gian.cohpiderenluyericackTnangDG,kiem ehdng viec sudyng DG de dieu chinh quatrinh DH Trong nghien edu nay, chting tdi tim each khai thac cac hoat dpng tDng DH cac hpc phan nghiep vu su pham (NVSI^)mattidngquaDH cac hpe phan cdco hdi tap luyen cac hoat ddng ttianh phan cua hoat dpng DGKQHT cua HS Cac hpc phan NVSP ma chung tdi quan tam la: PPDH mdn Toan (phan dai cuong); PPDH ndi dung mdn Toan (PPDH Hinh hpc, PPDH Dai sd - Glai tich); Toan so cap (H inh hpc so cap, Dai sdso cap va giai tich cd'dien) Thdng qua mpt sd hoat dpng frong DH cac hpe 38 Tqp chi Gido due so 367 phan NVSP cd the tich hpp tap luyen cho SV cac hoatddng phan eua hoat dpng DGKQHTnhu: Lap ke hoach DGKQHT ciia HS; Xay dyng tidu eliuan, tieu c h i D G ; L i ^ chpn,xay dung cdng cuDG; Tochdc trien khai cac hoatddng dethu ttiap tiidng tin; Sirdung cac cdng ey ttiu ttiap thdng tin; Tim kiem, lija ehpn eacthdng tin tueacdii'lieu phu hop vdimucdich DG; Xac djnh nht?ng tac dpng va nguyen nhan gay hien tran^; Dua ttidng tin phan hdi cho HS; Sir dyng DG de dieu ehinh qua frinh DH Viec phattrien nang luc DGKQHT thdng qua DH cae hpc phan NVSP ma chung tdi nghien cdu dupc tien hanli qua eae hoatdpng nhu: tap luyen phat hien vasua chua sai lam;tapluyai xaydung BT mdi tdBT da cho; tap lap ke'hoach DH; tap giang Trong pham vi bai viet, ehiing tdl trinh bay viec phat ttien nang luc DG KQHT qua hoatddng tap luyen xay dung BT mdi tdBTdabiet 2.1 Y nghia hoat dgng xay dung BT mdi tij BTda biet dot vdi hoat dpng BG DG la mdt qua trinh bao gom nhieu giai doan ttong "ttiu ttiap"va "xd \T thdng tinja hai giai doan quan trpng Nhiing edng eu ehu yeu dupe sd dyng giai doan ttiu ttiap thdng tin dd la: b a KT, phieu hpc tap, phieu quan sat, phieu hdi Dd'i vdi GV toan d tardng thdng, hau het quen sd dyng cac bai KT viet va cau hdi tu luan v i n 1^ hinh ttidc cau hdi chu yeu frong cac b£uKT, Mpt bai K T t ^ phy ttiudc vaonhieu yeu tovamdt frong nhiing yeu td'quan dd la chat lupng eau hoLDdl vd^ HS trung hpc phdttidng.deKT cau hdidmu'cdd nhan /?/e/chie'm mpt ti le 'rt, chu yeu la cac miic dp nhan ttidc cao hon De KT, GV cd ttie s u dyng cac de KT tdt da cd *Tnr0RgDai hoc Vinh -(kil- 1012015) hogcdupctohpptiihettidng ngan hang cau hdi hoac thiet kehoan toan mdl Tuy nhien, hien chua cd hpttiong ngan hangcauhoitheodung nghta cua nd de sudung, va mpt^de KT phu hpp cho Idp ddi h/png nhung chua l i i n da phu hop vol dd'i fr/png khac, dd la chua de cap tdl viec cd cun^ m ye dieli DG hay khdng Do dd, viec ti/thiet ke de KT d e D G la cdng viec cua G V can lam thudng xuyen Nhuvay, viee tao eac BT m di thuc su la can thiet ddi vdi G V 6e xdy dung cdng c y D G BTmdiddaychiingtdidung theo each hieu cua tac gia Ton Than: "BTmdico the la BThoan toan mdi, cung cd the la sumdrong, dao sau cua nhung Srd'aiJ/e?'(1;fr54).Dd'ivdiSV quatrinh tap luyen, thuat ngif "BT mdi" v i n chi d muc dp la mdi vdi ban than SV hay chi tao dupe BT khae BT ban dau la chu ye'u chdtuyet doi khdng ddi hdi phai mdi dd'i vdi xahpi Khd cd the tao mdt BT hoan toan khdng ed quan he gi ve npi dung hay phuong phap vdi nhiing BT da ed Vi vay, vide S V biet va dupc tap luyen cae eon dudng d&n den cac BT mdi td nhimg BT da biet la cdy nghTa ttiietthue, giup eho S V cd kha nang tao dupc cac BT mdi De tu dd cdthe xay dyng dupc bd cdng cu DG dap iifng dupc yeu cau dat 2.2 Mgt so dudng xay dung BTmdi tu BTbandau.JacQiaJon Than da td'ng ketvadua dudng dan de'n BT mdi td nhung BT ban dau dabiettrong sach giao khoa la: - Lap BT tuong tuvdl BT ban dau; - Lap BT dao cua BT ban dau; - Them vao BT ban dau mpt sdyeu td Dac biet hoa BT ban dau; - Bdtdi mpt sd'yeu tdcua BT ban dau Khai quat hoa BT ban dau; -Thay ddl mdt sd'yeu tdcua BT ban dau{1;tt53) Do chuong trinh d tnjng hpc ttidng cd dua them hai edng cy de nghien cuu Toan hpe so vdi chuang trlnh d trung hpe co sd la phucfng phap vectdva phuang phip toa do, cho nen ngoai eon dudng tren, chiing tdi gidi ttiieu them cho SV dudng chuySn da ngon npu Khi chuyen doi ngdn ngu'cua BT da eho ta cdttie phat b^eu BT ttiuan tijy da cho tfianh BT cd npi dung thuc tien va ngupc lai; ed the bien doi BT ed dai lupng cd hudng sang BT dai lupng vd hudng; hoac cdttie chuyen ddl BT hinh hpe sang BT dai sd; cung cd ttie ehuyen ddl BT td ngdn ngdhinh hpc ttiong ttiudng sang ngdn ngu toa dp Viee chuye'n ddl ngdn ngi?tten nhSm lam cho BT da chottianh mpt BT khac cdttiede hon, cdttiekhd hon, cd ttie ehuyen sang the loai khac phai dung phuong phap giai khac so vdi BT ban dau (ki 1-1012015)- Vi du; Xuat phat td BT "Cho tam giae ABC ngoai tiep dudng ttdn tam I, vdi a'='BC,b = CA,c = AB Chdng minh rang a}A+biB+clc=d" Yeu eau SV chuyen ddl bieu ttiirc vecto (ed hudng) aiA+blB+c7c=d sang bieu ttidc vd hudng (dp dai) vaphathien van desau bien ddl B\eT\6o\: alA+blB+clc=d^(alA + blB + clef =0 c= a-M- +fiVB-+ c-IC- + labRlB + IbclBJC + IcalC W =