Đang tải... (xem toàn văn)
UNG DUNG CDNG NGHE THUNG TIN KHAI THAC VE UEP TUAN HUC GUP PHAN TICH CUC HOA HDAT ODNG UDC TAP CDA HOC SINH TS TI^AN D i N H C H A U '''' TS O A N G THj THU T H U Y " Abstract The article analyzes and pr[.]
UNG DUNG CDNG NGHE THUNG TIN KHAI THAC VE UEP TUAN HUC GUP PHAN TICH CUC HOA HDAT ODNG UDC TAP CDA HOC SINH TS TI^AN D i N H C H A U ' - TS O A N G THj THU T H U Y " Abstract: The article analyzes and provides examples on various usage of IT to find beauty in mathematics, improving students' involvement, motivating students to have self initiation and passion for maths, hence enhancing effectiveness in learning maths Keywords: maths' beauty, maths and science IT Bertrand Russell da tung ndi: "Toin hgc khong chl sa hihi chan lima in chiia ben ve dep_ toi thU0}g, mgt ve dep lanh lOng vi mgc mac, giong nhumgtbiic dieu khac, Uiuan khletM dieu vi cokhinangdatdenst/hoan hao chatchema chico thUnghe thuatvidai nhat m&co thethehieif la cae sd'vd ti Tren phan mem Sketchpad ta ve mpt hinh vudng cd canh b4ng 1, ta co dudng cheo cua nd bang N^,tieptiJCdtmg tam giac vuong cd hai canh goc vuong la va 72 ta dupe eanh huyen cd dp dai ^ ^ , edtie'p tue qua trinh tren ta dung dupe cac Cai dep toan hpc cung cd phan nao ddgan doan tti&ng cd dp dai b l n g >/4, -Js, >/6, tiep dd nhucai dep ciia nhung buc tranh tnJu ttrpng Khong on ao, nhung sau l^ng va gdp phan nang cao ^ m dungcaehinhchunhatcodpdaicanhlacaesovoti van hda mdi ngudi Nhieu ngucri nghT ring tuong ung ta dupe hinh sau: toan hpe rat khd khan: nhdng so, nhung hinh ve, nhdng cong thdc toan hpe, nhi^u hpe sinh (HS} cdn sphpe toan va nghTrSng nhung ngudi gioi toan la khd khan, cung nh§c Coy kien eho rang de thuyet phyc mpi ngudi (dac biet la cac ban tre) hpe toan, ta nen nhan manh vao ve dep eua toan hpc ttiay vi su hdu ich cua nd, d^c biet la cac ttiay eo giao can quan tam nhieu hon viec khai thac ve dep ciia toan hpc Trong day hpc Toan ttidng d nhleu nude tren ttie gidi cung nhu nhieu trang web chuyen sau vetoan nhu Matti-play.com;heymath.com, hp^ratehutrong khai ttiac ve dep toan hpc va ting dung cua toan hpc ttong cupesong Trong khuon khd' bai viet, chung toi di sau vao viec phan tich mgt so vidu dng dung cdng nghe thong tin, cu the la su'dirngphan mern Geometer's Sketchpad thiet ke mo phong mgtsd'hinh hinh hgc "dgng'^ia tlm hieu s u ki dieu cua toan hpc tu nhien ttiong qua Intemet gdp phan tich cue hda hoat dpng cua hpe sinh, lam cho eac em yeu toan hon, tfiich hpc toan hon Ve hinh chu nhat dong sinh t u hinh v u o n g dan vi Khi HS tiep can vdisovdtt'vadabietdjnh li Pytago edtiiegpi cho cac em dung cac doan tfiangeddpdai Cach lam ti/ong tt/ta dupc cac hinh chd nhat cd dpdaimptcanhbangi vacanh cdn lai blng V2, S, V4,V5,>/6, * Hoi dong Qudc ^a Giao IIDC va E ^ t trien nhan liTc * * Vien Nghien ciin Giao duc va Phat trien nhan lire Tqp chi Giao dye so 369 33 (ki 1-11/2015)- Hinh2 Cac hinh hinh hpc ndi tren vua cdnhieu dng dung tt/nhien eung nhutrong nghe thuat (dcac thiet keddihoitiiedac biet) M d rong djnh li Py-ta-go Ta da biet djnh li Py-ta-go "Trong mgt tam giac vuong, binh phuang cua canh huyen bing tdng cac binh phuang cua hai canh goc vuong' hoac cd the phat bieu: Trang mpt tam giae vudng, dien tieh hinh vudng dunq tren canh huyen bang tong dien tich cua hai hinh vudng dung tren hai canh g6cvudng{xem hinh 3} Khidayphan nay, giao vien cdtiiedat cau hoi eho HS tim hieu, kham pha: lieu ta tiiay biing cac hinh hinh hpedongdang khac till dinh-li cdn dung khong? Ching han, ta dung tren ba canh cda tam giac vudng eae hinh tam giac deu, ngu giac deu, luc giae deu, ttiidien tich cda hinh dung tren canh huyen co bing tong dien tich cua haihinh tuong ung dung tren hai canh gde vuong khdng? (xem hinh 4) Tn;dng hpp sau day (xem hinh 5) cd cdn dung khong? Tmdng hop f ahinh5,HStie \ dang chdng • minh dupc dien tich cua nua hinh trdn {1} bang tong dien tich eua hai nua hinh trdn (2} va (3), (trong do, dudng kinh eua cac nua hinhttdnnay b§ng dp dai cac canh cua tam giae vudng ABC} Dien tieh cua nda hinh trdn (1} cd dudng kinii Dien tieh eua nda hinh trdn (2} cd dudng kinli Dien tich eua nda hinh trdn (3) co dudng kinh bfcgbla^^[*J=^ Tong cae dien tich eua n f e hinh tron (2) va (3) la n^^Ec_^^ib 8 + g ' ^ g g ^ b§ng dien tich ciia ni}a B hinh trdn (1) Day so'FlbonaccI (Phi-bo-na-xl) Day so Phi-bd-na-xi la day so (u J dupe xac dinh nhusau: NghTa la, kettJ"so hang thdba trddi, mdisohang deu bang td'ng hai sohang ddng tiirdchd.taGis day 1,1,2,3,5,8,13,21,34,55,89, (F) KhiHS dabi^ ve day so (Giai tich 11), hudng cho cac em tim hieu bi an day so Phi-bd-na-xi va suttiing hc^ kinli ngac tu nhien qua viec tim hieu ttiong tin ttSn Internet, ta se het sdc bat ngdttiu vj ve so canh hoa, each sip x ^ la,canh eayvattiancay.qualhong.qui dua, Trong vo van cac day so, khdng phai nglu nhien m^aday so lai nolti'eng den vay Chang han, si/sap x^ cac canh hoa tren wpt bong hoa Neu danh ttidi gian ngoi dem sd'canh^ua cae loai hoa, se nhan tiiay mpt dieu khattiiivjrang:"so lupng canh hoa tren mpt bdng hoa ludn la mpt ttong 341 Tgp chi G i d o due so -(kil-11/2015) cac sotfiupcdaysoPhi-bd-na-xr Hoa mdt canh, hai canh, ba canh, nam canh, tam canh, 13 canh (xem hinh 6) Mpt so loai hoa c6 so luong canh hoa ludn ia mot sd'codjnh, cung conhdng loai hoa coso lupng canh hoa tiiay da Tuy nhien,ttieo eae nhakhoahpc.nhung sd'nay luon giao dpng quanh mptmoc tiung binh lamptsottiupc day Phi-bd-na-xi LTngdung cdng nghe ttiong tin, khal tiiacve dep cua toan hpc gliip HS CO ttiem mpt gdc nhin vetoan hpc, ttiay dupc s u g&n ket gida toan hpc va nghe thuat Qua dd, cung gdp phan giao due toan dien cho HS thong qua day hpc bp mdn Toan nhu ren luyen tinh kien tri, ti mi, tang cudng kT nang cong nghe thong tin, tang tiiem kha nang hpi hpa, tap duotnghien cdu khoa hpc va lam cho cae em tich cue, tugiac yeu thich hpc mon Toan hon - cung Mpt SO van S h e day hoc tiing Anh (Tiep theo trang 53) phai lam gi va lam nhuthenao tai nhung goc hpc tap, gdc vui ehoi ttian ttiudc Dan nhan chu tfiich ten gpi bingTA len cac vat ldp hpc Ngoai ra, nhdng hoatdpng hiing cua Idp hpe cung gdp phan giup tre hpc totTA "moi ttudng quen thupc" dd tre da biet dupc dieu gi se xay mdi va loai ngdn ngunao ttiudng dupc sudyng mdi hoan eanh -Xiydt^gmdinudngNNtichcuc,^dqcsach,\fo chuyen v(SGV hoac choitidchoi deu chottiayttettiuc su phat tii^n ngon ngu" Idl na ro ret Mpt frong nhung each lam hi6u qualaGV luon dpng vien va khen ngpi ttettongcae hoat dpng diin tten ldp nh^m lam cho tte gan k ^ ngon ngdvdi cac tinh huong tai cho la mdt nhdng bien phap thiet ttiuc ddl mdi phuong phap day hpc va gdp phan boidudng nang luc toan hpc cho HS ma cong eupc doi mdi giao due nudc nha dang hudng den • Tai li^u tham khao Alfreds Posamentier Ve dep toan hpc NXB Ddn rn',H 201.1 Trdn Dmh Chau - DSng Thi Thu Thuy Ung duog cdng nghe thdng tin day hpc mon Toan d tnrong ph6 thSng NXB Gido dftc Viit Nam, H 2011 TrSn Dinh ChSu - D^ng Thj Thu Thuy "Khai Ui^c ve dep toiin hgc qua mpt stf mO phong dOng" Tgp chi Gido due, s6' 344 thang 10/2014 Bp GD-DT GiSi tich 11 NXB Gido due Vi?lNam, H.20I1 Theoni Pappas Vui hon nua v(H toin hpc NXB Ddn tri, H 2014 trinh day hpc phai dam bao TMN hpc TA cd nhieu cP hpi tij'Png tac vdi ca ngudi ldn va cac tte khac, Iudn kliuyai khich, dap lditteblng TA Ngoai ra, GV can chuan bi: cac hoatdpng da dang ttieo mdc nham tang dan kha nang ctiii yeiiatt-e;xay dung mdittirdng NN tich cue;ttiietke chudi cac hoat dpng eholmahpc vatt/ong ^ c vdi nhieufreva cd giao; GV can sddung da dang eac dung cu tn/c quan, phUOng tien day hpc sinh dpng; gidmaBen lae ttiudng xuyen vdlphuhuynh, bao cao veviee hpc cua trevayeu cau supha hpp cua gia dinh ttong viec day tre • Tai li^u tham khao D Barone - S.H Xu Literacy instruction for English language learners Pre-K-2 New York: Guilford Press 200$ T Bongaerts Introduction: Ultimate attainment and the critical period hypothesis for second language acquisition Internallional Review of Deviec day TAchoTMNdathieuquacao.can phai Applied Linguistics in Language Teaching 2005 cdphuotig phap mem deo, linh hoat phu hpp vdi tdng P Tabors One Child, Two Languages Baltimore: giai doan va tting kieu phong each hpc Viee tim hieu va Paul Brookes 1997 chpn l i ^ cac tai lieu giang day dat "chuan" vatilieh hpp P Tabors - CE Snow English as a second language vdi tiing Idattjoicung dong vai trdquan ttpng ttong viec in pre-school programs Cambridge University Press nang cao tiiii va hieu qua hpc tap cuatte.Chuong 1994 (kil-11/2015)- Tap chi Gido due so 369 35 ... giao due toan dien cho HS thong qua day hpc bp mdn Toan nhu ren luyen tinh kien tri, ti mi, tang cudng kT nang cong nghe thong tin, tang tiiem kha nang hpi hpa, tap duotnghien cdu khoa hpc va lam... DSng Thi Thu Thuy Ung duog cdng nghe thdng tin day hpc mon Toan d tnrong ph6 thSng NXB Gido dftc Viit Nam, H 2011 TrSn Dinh ChSu - D^ng Thj Thu Thuy "Khai Ui^c ve dep toiin hgc qua mpt stf mO... tim hieu bi an day so Phi-bd-na-xi va suttiing hc^ kinli ngac tu nhien qua viec tim hieu ttiong tin ttSn Internet, ta se het sdc bat ngdttiu vj ve so canh hoa, each sip x ^ la,canh eayvattiancay.qualhong.qui