C. Khai quat hoa, trim tugng hoa, dac biet hoa trong day hoc giai toan
3.2.1.Logi bdi gidng giiip nang cao long tu tin cho hgc sinh vdo khd ndng
t f MH •&g; f^ &g;
3.2.1.Logi bdi gidng giiip nang cao long tu tin cho hgc sinh vdo khd ndng
nhan thirc todn hgc bdng phuang phdp dgy cdc em cdch tu hgc, tu lap 16 hong kien thuc vd kiem sodt khd ndng hgc tap cua minh.
r t
Kien thiic todn hpc trong chuomg trinh phd thdng dupe xdy dung theo
^ \ f ,
nguyen tac dudng trdn ddng tdm xody trdn dc. Chinh vi vay, khi tiep nhdn cdc kien thiie todn hpc mdi, hpc sinh lai dupe ciing cd, khac sdu kien thire eii,, Tuy nhien, de van ede kien thiic da ed vdo gidi cdc bdi todn, cdc tinh hudng
thuc tien lien quan den todn hpc; dac biet Id gidi cdc dang todn trong ede ky thi ciing khdng phdi Id de ddng; bdi dimg trude khdi kien thiic da hpc, hpc sinh van nhu Id diing trude mdt bien ed md chua the xdc dinh cho minh cdch thau
tdm nhiJng kien thirc lien quan den van de can giai quyet cua bai toan.
Van dl dat ra d day la phai day cho hgc sinh biet each phan loai; biet he thdng cac dang bai tap ciing nhimg kiln thuc lien quan va phuang phap giai
cho timg dang. Viec lam nay giup cho hgc sinh ren luyen toan dien cac thao tac tri tue nhu phan tich, so sanh, tdng hgp, khai quat...Han the nii-a, nd cdn giup cho ngudi hgc bilt chu dgng lap kl hoach tu hgc ly thuyet qua thuc hanh
giai toan, tu kilm tra, danh gia kha nang hgc tap cua minh, cung nhu tu phat hien va lip nhimg lo hdng kiln thuc cua ban than mgt each hieu qua nhat. De minh chung cho lap luan tren, cong trinh da tien hanh day thuc nghiem cho hgc sinh Idp 12 bilt each tu hgc, tu kiem tra minh thdng qua bdn chuyen de
quan trgng cua chuang trinh on tap toan chuan bi cho cac ky thi:
1.Chuyen dk cac bai toan ve hinh hgc giai tich 2.Chuyen de cac bai toan vl hinh hgc khong gian
3.Chuyen de cac bai todn ve hdm sd
4.Chuyen de cae bdi todn ve phuang trinh, bat phuang trinh
' * > /
Viee day thuc nghiem bdn chuyen de tren liic dau dupe tien hdnh vdo nam 2006-2007 tren hai nhdm hpc sinh vdi ndng lire ban ddu ngang nhau. Nhdm thii nhat gdm 10 em, nhdm thir hai gdm 8 em,
Vdi nhdm thii nhat, cdng trinh da nghieng ve day bpc sinh edeh tu hpc tu, tu kiem tra minh ddng thdi gido vien ludn kiem sodt khd ndng tu hpc ciia hpc sinh. Cdn nhdm thii hai cdng trinh giir nguyen ldi day truyen thdng, Ket qua thuc nghiem ban ddu da giiip eho cdng trinh mot ldn nira khang dinh tinh dung
/ y f r
dan ciia ede bien phdp da de xudt, Chinh vi the, nam hpc 2007-2008 cdng trinh
tiep tue trien khai thue nghiem tai trudng THPT phd thdng Thang Long Hd Ndi do Th.S Nguyen Thdi Phuang - gido vien cua trudng thuc hien vdi sir hd eua cir nhan Nguyen Trung Kien-Khoa Su pham DHQG Ha Ndi ve cac phan
men day hgc toan.
Sau day cdng trinh xin dugc neu va phan tich y tudng ciia bai day thuc
nghiem.