Qng dung cong nghe thong tin day hpc mon Toan Of triTofng THCS - doi dieu ban them BUI KHAC TIN Trddng Cap dang Sd pham Kien Giang D t i r ^ ^ ay manh dng dung ccng nghe thcng tin I giao due va dao tao tat ea cac c i p hpc, bac hpe, nganh hpc thep hddng sd dung cdng nghe thdng tin nhd la mpt cdng eu hd trd dac ldc n h i t chd ddi mdi phddng phap giang day, hpc tap d tat ea eac mdn hpe" (Chi thj sd 29/ 2001/CT-BGD&DT 30/7/2001 eua Bp tradng Bd Giap due va Dap tap), cdng nghe thdng tin (CNTT) va truyen thdng ddde sd dung cang rdng rai trpng nha trddng tQ tieu hpc den dai hpc Dae biet, td nam hpe 2008-2009 vdi chu de "Nam hpe dng dung Ccng nghe thdng tin" da tao mpt ed hpi, mpt bade ngpat Idn ehp tpan nganh giap due trpng viec d i u td, Qng dung CNTT day hpe Cae p h i n mem day hpc phpng phu va da dang, giap an dien td dddc dang tai cang phd bien tren mang Internet, tao dieu kien eho giao vien khai thae, sd dung Vdi du the ve mat ky thuat va tiem nang ve mat sd pham, viec dng dung CNTT day hpe da gdp phan quan trpng trpng tien trinh ddi mdi phddng phap day hpe hie-n Cae tiet day hpe cd Qng dung CNTT lam chp hpe sinh hpc tap hdng thu hon, tfch cue hdn, giao vien cd dieu kien to chdc cae hoat dpng day hpc theo hddng tap trung vao ngddi hpc nhieu hdn Tuy nhien, sd dung CNTT nha the nao de dat muc tieu cua qua trinh day hpc? Viec Ida chpn, ket hdp cae phadng phap day hpc (PPDH) trpng dieu kien ed sd dung CNTT can dam bac nhQng yeu cau gi de khai thac hieu qua nhQng du the, tiem nang cua CNTT? Van de da va dang dddc cac nha khpa hpc giao due, cac nha giap het sQc quan tam Trpng pham vi bai viet nay, tdi chi xin ban del dieu ve viec van dung eac PPDH, viec td chQc cac hoat dpng (HD) hpc tap cho hpc sinh (HS) trpng day hpc mdn Toan d trddng Trung hpc cd sd, treng dieu kien cd dng DAY VA HOC NGAY NAY SO 6-2010 dung CNTT, nham dat muc tieu day hpe thee djnh hddng phat huy tinh tich cUc, tu giac, chu dong, sang tao cua hoc sinh LJfng dung CNTT vao day hpc mon Toan phai quan triet djnh hi/dng: day hpc hddng vao viec to chufc cho HS hpc tap hoat dpng va bang hoat dpng tu* giac, tich cifc, chu dpng va sang tao CNTT phat trien lien tuc, cang cd nhieu p h i n mem chuyen dung rat thuan tien cho ngddi sQ dung va cd Uu the hap d i n HS (Ida tudi HS THCS rat thfch chdi game tren may vi tinh) HS cdn say sua theo doi giao vien cdn trinh didn, dd dd d i n den lam dung, dd quay ve each day hpc giap vien la trung tam VI vay, viec Qng dung CNTT, sd dung cac phan mem day hgc mdn Toan can dddc xem nhd la mpt phddng tien hd trd ehp qua trinh day hpc nham giup hpe sinh ITnh hpi tri thQc, hinh va ren luyen ky nang tean hpc, nha chi thj ciia Bp GD & OT da nhan manh "sd dung cong nghe thong tin nhu la mot cong cu hd tra dac lUc nhat cha doi mdi PPDH" Viee td ehdc chp HS hpat dpng (HD), td mpt each ta giae, tfch cQc de dat mue tieu day hpc v i n la djnh hddng hang d i u Dp vay, can ehii trpng xay ddng cae HD day hpe sap ehp HS tich cdc HD hpe tap, tap trung suy nghT, tim tdi each giai quyet van de, tiep can kien thde, tranh tinh trang phu thudc vao cac phQdng tien trinh didn se d i n den chd ngadi day chi la ngadi thuyet minh cho npi dung trinh didn cdn ngadi hpc thi thu ddng nhin rdi ghi chep (cd ngddi bao nhuvay la chdng "doc- chep" bang each "chieu- chep") Ufng dung CNTT vao day hpc mon Toan phai can cuf vao dac diem cua mon Toan va phii hdp vdi dac tru'ng cua PPDH Toan Mon Toan k h i e vdi cae mdn hpe khae nen viee Qng dung CNTT treng day hpc Tpan eung khac vdi viee dng dung CNTT treng day hpc cac men khae "Men tean ee tinh trdu tddng cap dp va tfnh thde tidn phe dung, ddng thdi mdn tpan lai ed tinh ipgie va tfnh thde nghiem Neu ehi trinh bay lai nhdng ket qua toan hpc da dat dddc thi nd la mpt khpa hpe say didn vdi tinh legie ndi bat, nhdng neu nhin toan hpe qua trinh hinh va phat trien, qua trinh tim tdi, phat minh thi phdOng phap toan hpe v i n ed md m i m , dd dpan, tim tdi Nhd vay, sQ thdng nhat giQa suy dpan va suy didn la mpt dae diem cua td tean hpe"(1) Day tean la day ehp HS biet tim tdi, suy luan, ehdng minh Dp vay, sd dung eae p h i n mem day hpc phai n h i m vap viec td chdc eho HS hoat ddng dd dpan, tim tdi, de di den suy luan Ipgie, chdng minh Viee sd dung eae phan mem trinh chieu ehi la minh hpa trde quan lam chd dda ehp HS tiep can kien thde Cae p h i n mem tfnh tean nhu Maple, Mathead giup hd tro thac hien eae phep tinh dai sd va g i i i tieh nen ddde sddung nha la ccng eu tfnh toan, nen dung kiem tra ket qua viee thde hien cac phep tfnh b i n g cae bien ddi toan hpe heac chi c i n sQ dung ket qua phep tinh Cac phan mem hinh hpe nhd Geemeter's Sketchpad, Cabri Geometry giup ve hinh, ddng hinh (trpng mat phang va khdng gian ), thde hien eae phep bien hinh, dae biet la mc phdng dddc sd chuyen dpng cua cae diem va hinh nen rat ed hieu qua ehe viec day hpe giai bai tpan quy tfch Cae p h i n mem trinh didn nhd Ppwerppint, Viplet giup che viee bien scan va trinh didn npi dung day hpe thuan tien, dd gay hdng thu hpe tap ehp HS Tuy nhien, cae ket qua tQ cae p h i n mem ndi tren dem lai kheng the thay the eho qua trinh day HS tim tdi, suy luan, chdng minh Van de la giao vien khai thac tinh nang eiia eac phan mem va phddng tien day hpc nhd the nap de dat muc tieu bai day phu hdp vdi dac trdng ciia PPDH bp mdn Tpan Ufng dung CNTT day hpc mon Toan phdi dung luc, dung chd, dung npi dung day hpc can thiet, tranh lam dung Khi day hpc khai niem, thee cpn dddng hinh khai niem la quy nap hay suy didn, hoae la dddng kien thiet de thiet ke, khai thae ngi dung e i n trinh didn nham dat yeu c i u cua viec day hpe khai niem Phaong tien day hpc luc phai phuc vu d i e ldc nhat chp viec giup HS tiep can nham n i m ddde npi ham cua khai niem, xac djnh daoc ngoai dien cua khai niem, nhan dang va the hien dddc khai niem Nen tranh dung p h i n mem ehi de neu lai djnh nghTa, hinh ve ddn t h u i n nhd sach giao khoa Khi day hpc djnh ly, p h i n mem day hpc phai giup HS dd dean, tim tdi nham phat hien djnh ly, hieu dddc chdng minh djnh ly de di den td chdng minh dddc dinh ly Chang han, treng day hpe djnh ly hinh hpe, ed the sQ dung phan mem Geemeter's Sketchpad de ve hinh, sd dung mau s i c , thay del vj tri, kich thddc eua hinh ve de lam ndi bat cac yeu td e i n quan tam, giup HS dd phat hien ddde npi dung djnh ly Cac HD day hpc chdng minh djnh ly nen td chdc cho HS tich cdc tim tdi, suy nghT, giao vien chi trinh bay lai chdng minh (nha la thao t a i ehinh xae hda) sau da cho HS phan tich tim dddng Idi chdng minh, neu dddc each ehdng minh Neu sQ dung phddng tien hien dai nhu may vi tinh, may chidu da nang Projector ma ehi de chieu lai npi dung nhd trpng sach giap khpa thi that khdng can thiet VI vay, dng dung CNTT phai hdp ly, dung lue, dung chd can thiet ma neu khdng ed nd se anh hddng ddn viee nang eao chit IdOng day hpc Khdng nen thiet ke bai day mdn Toan ma sud't ca tiet day giao vien hoan toan ddng ben may vi tfnh de trinh bay npi dung day hpc, nhd vay la khdng thac hien dddc djnh hadng phat huy tfnh tich cUc, til giac, chu ddng, sang tao cua hoc sinh Hien nay, Bp Giap due va dac tap dang td chdc cupc thi qudc gia "Thiet ke ho sa bai giang dien td E- Learning" nam hoc 2009- 2010 danh cho giao vien cac tradng THCS, THPT, trung tam GDTX, sinh vien eae tradng Dai hpe sa pham Cap dang sd pham ea nadc, mong r i n g se cd nhidu bai giang hay bd sung vao ngudn tai nguyen day va hpc de eae ddng nghiep va sinh vien sd pham tham khao, khai thac, ang dung n h i m nang cao chat Iddng day hpc TAI UEU THAM KHAO Nguyin Ba Kim (chu bien), Phddng phap day hpe dai cddng mdn Tpan, NXB Dai hpc Sd pham, 2006 Hoang Trpng Thai- Tran Thj Ngpc DiepLe Quang Phan- Nguyin Van Tuan, Giap trinh sd dung p h i n mem toan hpc, NXB Dai hpc Sd pham, 2007 Thi-baigiang.edu.net.vn, mang Giao due EduNet DAY VA HOC NGAY NAY SO 6-2010 27 ... Thai- Tran Thj Ngpc DiepLe Quang Phan- Nguyin Van Tuan, Giap trinh sd dung p h i n mem toan hpc, NXB Dai hpc Sd pham, 2007 Thi-baigiang.edu.net.vn, mang Giao due EduNet DAY VA HOC NGAY NAY SO 6-2 010... dang td chdc cupc thi qudc gia "Thiet ke ho sa bai giang dien td E- Learning" nam hoc 200 9- 2010 danh cho giao vien cac tradng THCS, THPT, trung tam GDTX, sinh vien eae tradng Dai hpe sa pham... viee dng dung CNTT treng day hpc cac men khae "Men tean ee tinh trdu tddng cap dp va tfnh thde tidn phe dung, ddng thdi mdn tpan lai ed tinh ipgie va tfnh thde nghiem Neu ehi trinh bay lai nhdng