NGHIEN CLTU & CfNG DUNG II MOT SO TRO CHOI TRONG DAY HOC MON TOAN LOP 3 PHAM HUONG TrUdng tieu hoc Nam Hong (Hong Linh Hd Tinh) Toin hpc l i mdn khoa hpc tfl nhiln cd tinh Idgie vi tinh chinh xie cao,[.]
NGHIEN CLTU & CfNG DUNG II MOT SO TRO CHOI TRONG DAY HOC MON TOAN LOP PHAM HUONG TrUdng tieu hoc Nam Hong (Hong Linh- Hd Tinh) Toin hpc li mdn khoa hpc tfl nhiln cd tinh Idgie v i tinh chinh xie cao, nd li chia khda md sfl phit triln cua eic bd mdn khoa hpe khie Cic trd chPi ed ndi dung toin hpc ly thu vi bd ich phu hpp vdi vile nhin thfle efla eic em Thdng qua cic trd chPi eic em se linh hdi nhflng tri thfle toin hpc mdt eieh de ding, cung cd, khie siu kiln thfle mdt cich vflng chac, tao cho cic em nilm say me, hflng thu hpc tip Khi giio viln dfla dflpc cic trd cbPi toin hpe thfldng xuyin, khoa hpc thi chat Iflpng day hpc mdn toin se dflde ning cao Sau diy li mdt sd trd chdi Toin hpe ldp3 Trd chdi 1: Ai nhieu diem nhat (Tiet 58: Luyin tap) Mucdich: Luyen tip cung ed ky ning cdng sd cd nhd pham vi 100; Tip cho hpe sinh cich dinh gii, eho dilm Chuan bi: ciy chiu cinh ed dinh sd 1,2; Mdt sd bdng hoa bing giay miu eflng, mat trflde miu trang ghi cie phep tinh; Phan miu; Ddng hd theo ddi thdi gian; Chpn bpc sinh nbit ldp lim giim khio vi thfl ky Cich chdi: Chia ldp lim dpi, nghe hieu lenh "bit dau" lin Iflpt tflng dpi cfl ngfldi len bde hoa tren bin giio vien, ngfldi chpi ed nhiem vu lim nhanh phep tinh ghi trIn bdng hoa, sau dd eii bdng hoa len ciy eua dpi minh Ngfldi lim xong eii hoa len ciy thi lai den Iflpt ngfldi khie Cfl nhfl vay cho den hit phut Sau giio viln hd hit gid thi dpi mdi dpi cfl dai dien len dpe lan Iflpt tflng phep tinh tren ciy cua minh ddng thdi gip cho ci ldp xem bdng boa dd.Giim khio dinh gii v i thfl ky ghi lai kit qui - Cich tinh dilm: + Mdi phep tinh dung dflpc 10 dilm; + Tdng hpp sd dilm cua tflng dpi Dpi nio nhilu dilm hPn li dpi dd thing cudc * Lflu y: Sau gid choi giio viln nlu nhin xet dinh gii cic dpi choi khuyen khich td giim khio, thfl ky, nhie nhd cic em nhflng sai sdt vap phai d l lan sau eac em choi tdt hPn Trd chdi 2: Ong di tim nhuy (Trd chPi cd the ip dung cie bing nhin, chia, cu thi tilt Bang chia 6) - Mue dich: + Ren tinh tip thi; + Giup eho bpc sinh thude cic bing nhin, chia - Chuan bi: + bdng hoa cinh, mdi bdng mdt miu, tren mdi cinh hoa ghi cic sd nhfl sau, mat sau gin nam chim; + 10 chfl Ong trIn minh ghi cie phep tinh, mat sau ed gin nam chim; + Phan miu - Cich choi: + Chpn dpi, mdi dpi em; + Giio vien chia bing lim 2, gin mdi ben bing mpt bdng hoa vi chfl Ong, d ben dfldi khdng theo trat tfl; ddng thdi gidi thieu trd choi: Cd ed bdng hoa tren nhflng cinh hoa li cic kit qui eua phep tinh, edn nhflng chfl Ong thi chd cic phep tinh di tim kit qui eua minh Nhflng cic chfl Ong khong biet phii tim nhfl thi nio, cic chu mudn nhd cie giup, cie eon ed giup dflpc khdng? - dpi xep thinh hing Khi nghe hieu lenh "bat dau" thi lan Iflpt tflng ban len ndi cic phep tinh vdi cic so thich hpp Ban thfl nhat ndi xong phep tinh dau tiln, trao phan eho ban thfl len ndi, cfl nhfl vay eho din ndi hit cic phep tinh Trong vdng phut, dpi nio ndi dung vi nhanh hon li dpi chiln thing * Lflu y: Sau hpc sinh chPi xong, giio vien cham vi hdi thim mdt sd ciu hdi sau dl khac siu bii hoe (Nhinbii ngiy 20/9/2011) TAP CHi THI^BI GIAO DMC-sd 74-10/2011 • II NGHIEN CLTU & CTNG DUNG + Tai chu Ong "24: 6" khdng tim duac dfldng vl nhi? + Phep tinh "24:6" ed kit qui bang bao nhilu? + Mudn chfl Ong niy tim ddac vl thi phii thay ddi sd trIn cinh hoa nhfl thi nio? Tro chdi 3: Thi quay kim dong ho (Tilt 13, 14 Bii xem ddng hd - Thfle hinh xem ddng hd) - Muc dich: + Cung cd ky ning xem ddng hd; + Cung cd nhin bilt eae ddn vi thdi gian (gid phut) Chuan bi: md hinh ddng hd Cich chdi: Chia Idp thinh dpi (4 td theo ldp hpe); + Lan thfl nbit: Gpi em lin bing (4 em dai dien cho dpi), phit eho moi em md hinh ddng hd, chuan bi quay kim ddng hd theo hieu lenh eua giio viln Khi nghe giio viln hd to gid nio dd, em niy lip tfle phii quay kim din dung gid dd Em nio quay chim nhat hoac sai lech bi loai khdi cudc chdi + Lan thfl hai: Cic dpi lai thay ngfldi chdi khie + Cfl chdi nhfl vay 10 lan Dpi nio edn nhilu thinh vien nhat dpi dd li dpi thangcudc * Lflu y: Di cac em chpi nhanh, vui vi thfl phan flng nhanh giio viln can chuan bi sin sd gid viet giay (khdng phai nghi liu) di hd cho nhanh, vi du: gid phut, 11 gid 50 phut, gid kem 10 phut, gid kem phflt, gid phut, 12 gid 34 phut, gid kem 13 phut Trd chdi 3: Bac dfla thfl (Ap dung day cic bang nhin, bing chia) - Mue dich: Giup hpc sinh thude Idng bing nhin Kit hdp vdi cic thdi quen ndi "cim dn" ngfldi khic giup mdt vile gi - Chuan bi: + Mdt so the, mdi the cd ghilsdd, 12, 15,24, 30, 36.; 60 la kit qui eua cic phep nhin di lam sd nhi; + Mdt so phong bi eo ghi phep nhan bing 6:1x6, 6x1,2x6,6x2 ; + Mdt tam eic deo d ngfle ghi "Nhin vien bflu dien" - Cich chdi: + Gpi Isd em len bing ehPi giio vien phit cho mdi the de lam so nhi Mdt em ddng vai "Bie dfla thfl", ngfle deo "Nhin vien bflu dien", tay cam tip phong bi + Mdt sd em dflng tren bang, lan Iflpt tflng em mdt ndi: Bie dfla thfl di! Chiu ed thfl khdng? Dfla giup chiu vdi Sd nhi 12 Khi dpc din ciu cudi cung "sd nhi 12" thi ddng thdi em giP sd nhi 12 cua minh len eho ei ldp xem Luc niy nhiem vu eua "Bie dfla thfl" phii tinh nham cho nhanh di chpn dung li thfl cd ghi phep tinh cd kit qui li so tfldng flng giao cho chu nha (d trfldng hdp niy phii chpn phong bi "6x2" hoac "2x6" giao eho chu nhi Chu nhi nhin thfl vi noi ldi "cim dn" Cfl nhfl vay eac ban chdi lai ndi vi "Bie dfla thfl" lai tiep tuc dfla thfl cho cic nhi Nlu "bie dfla thfl" nham sai, dfla khdng dung dia ehi nhin thi khdng dflpc dong vai dfla thfl nfla mi trd vl cho dl cic ban khic lin thay Neu cic lan thfl diu dung thi sau Ian dflpc ed giao tuyen dflPng va ddi eho cho ban khic chPi Trd chdi 4: Mua vd bdn (Ap dung bai: Tien Viet Nam - Tilt 125,126,127) Muc dich: + Ciing cd eho hpc sinh nhin bilt vi sfl dung mpt sd loai giay bac pham vi 100.000 ddng (1.000 ddng, 2.000 dong, 5.000 ddng, 10.000 ddng, 20.000 ddng, 50.000 ddng); + Ren ky ning epng, trfl cic sd hPn dPn vi "ddng"; + Thfle hinh tri tiln va nhin lai tiln tbfla mua vi bin - Chuanbi: + sd td giay bac loai 500 ddng, 1.000 ddng, 2.000 dong, 000 ddng, 10.000 ddng); + sd vit: bdng, giay kiem tra, hd din, cap toe, tranh eit + sd td bia ghi gii 1.000 ddng; 3.000 ddng; 6.000 ddng; 7.000 ddng; 55.000 dong; 15.000 ddng; (Xem tiep trang 14) 10 • TAP CHi THI^BI GIAO DUC-sd 74-10/2011 j ^ II HiSClHG DAN O U A N LY, SLT DUNG DH bd mdn Khdng nhflng thi, phii bilt truyin cho HS nhiet buylt dd, td chfle eho HS cich thfle flng dung CNTT qui trinh hpe tip Thdng qua td chfle boat ddng flng dung CNTT GY se giup eho HS cd nhflng tri thfle vi ky ning vl CNTT, phflPng phip hpc dilu kiln mdi Mudn thi, GY phii cd nhflng kiln thfle, ky nang vl CNTT cP bin Mudn sfl dung dflpc CNTT dl phuc vu tdt cdng vile sing tao eua minh, GY can nim chic cdng eu dd; phii cd nhflng kien thfle cd bin vl tin hpc, ky ning sfl dung miy tinh vi mdt sd thilt bi CNTT thdng dung nhat, ky ning sfl dung eic phin mIm quan trpng nhfl: soan thio vin bin, phan mIm trinh ehilu PowerPoint, bing tinh dien tfl, phan mem quin ly cdng viet Hien nay, da sd cie cP sd giio due di cd chu trflpng khuyin khich vile flng dung CNTT DH, nhflng eic chu trfldng niy chfla thfle sfl biln thinh binh ddng eu the d tflng trfldng phd thdng Vi vay, linh dao nhi trfldng can hiln thfle hoi cic chu trfldng dd bang hinh ddng triln khai eu thi Khi sfl dung CNTT giing day, GY My thuat cin chfl y: + Phdi hpp sfl dung CNTT vdi cic cdng eu truyin thdng dl HS cd thi ghi chep bii, lim bii tip + Phdi hpp sfl dung CNTT vdi vile dien dat eua GY dl ting cfldng ddi thoai vdi HS, nam bat sfl hieu bilt eua HS thdng qua eic minh hpa, ting cfldng ning phit huy tri tfldng tflpng eua HS Vile flng dung CNTT DH My thuat se lim thay ddi PPDH Cd thi flng dung CNTT d eae mflc dp khic thude vio dilu kien CSYC ky thuat vi ning Iflc eua dpi ngu quin ly, dpi ngu GY Vile flng dung CNTT d mflc dp cao se lim thay ddi manh me chat Ifldng day va hpe nhi trfldng ndi chung, bd mon My thuat ndi rieng Tuy nhien, sfl ddi mdi nio eflng phii dfla tren nIn ting eic PTDH truyin thdng Du chfldng trinh cd xay dflng cdng phu vi linh boat, cic phfldng tien tfldng tie ed thong minh, da dang din diu thi viec to ehUc qud trinh nhdn thUc cua GV vdn giU vai trd cUc ky quan trgng viic hUdng ddn hoat ddng nhdn thUc cua HS Tai lieu tham khao Td Huy Giip, PhUdng tien DH, NXB Giio due, 1997 Ding Thinh Hflng, Ly ludn DH hien dai Bien phdp vd ky thuat, NXB DH Quoc gia Hi Ndi, 2002 Dio Thii Lai (chu nhiem dl tii), Ung dung CNTT DH d trUdng thdng Viet Nam, Bd GD&DT Vien Chiln Iflpc vi Chflpng trinh giio due Hi Ndi, 2006 Vu Trpng Ry, PhUdng tien DH vdi viic doi mdi PPDH d trUdng thdng Tap ehi TTKHGD sd 45/1994 (tr.38-41) IIIIMIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIMIIIIIIIIIIIIIIIIMIIIIIIIIIIIUIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIMIIIIMIIIIIIIIIIMIIIIIIMIIIIIIIIIIIIIIItllllll^ MOT SO TRO CHOI TRONG DAY HOC (Tiep theo trang 10) + Tat ei biy lin bin giio mua bat ky mat hing nio tri tiln theo dung gii ghi trIn sin vien Cich chdi: Gpi em pham ngfldi mua vi ngfldi bin chdi: hing se phii suy nghi + em ddng ngfldi bin Vi du: Mua bdng gii 1.500 ddng Ngfldi mua dfla tri: hing +1 em ddng ngfldi mua 2.000 ddng Ngfldi bin phii suy nghi vi tri lai: 500 ddng hing - Sau mdi lin em ddng + Phit tiln eho ei em vai mua bin xong eho cic ban + Ngfldi mua hing cd the 14 • TAP CHi THlfTBI GIAO DMC-sd 74-10/2011 nhin xet, nlu dung thi dflde chdi lan vi dflpc thfldng mpt vii nhin vd Nlu sai thi vl cho dl ban khic len chdi * Tdng kit: Khen nhflng em nghi cich tri tiln de ngfldi bin phii suy nghi tri lai khd vi em biet tinh dl tri lai cho dung li nhflng "nhi kinh doanh gid'i" ... du: gid phut, 11 gid 50 phut, gid kem 10 phut, gid kem phflt, gid phut, 12 gid 34 phut, gid kem 13 phut Trd chdi 3: Bac dfla thfl (Ap dung day cic bang nhin, bing chia) - Mue dich: Giup hpc sinh... chfl Ong niy tim ddac vl thi phii thay ddi sd trIn cinh hoa nhfl thi nio? Tro chdi 3: Thi quay kim dong ho (Tilt 13, 14 Bii xem ddng hd - Thfle hinh xem ddng hd) - Muc dich: + Cung cd ky ning xem... "cim dn" ngfldi khic giup mdt vile gi - Chuan bi: + Mdt so the, mdi the cd ghilsdd, 12, 15,24, 30 , 36 .; 60 la kit qui eua cic phep nhin di lam sd nhi; + Mdt so phong bi eo ghi phep nhan bing 6:1x6,