Qng dung cong nghe thong tin trong day hpc mon Toan Of triTofng THCS - doi dieu ban them D t i r ^ ^ ay manh dng dung ccng nghe thcng tin I trong giao due va dao tao 6 tat ea cac c i
Trang 1Qng dung cong nghe thong tin
trong day hpc mon Toan
Of triTofng THCS - doi dieu ban them
D
t i r ^ ^ ay manh dng dung ccng nghe thcng tin
I trong giao due va dao tao 6 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 ngay 30/7/2001 eua Bp tradng
Bd Giap due va Dap tap), cdng nghe thdng tin
(CNTT) va truyen thdng ddde sd dung ngay 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 ra mpt
ed hpi, mpt bade ngpat Idn ehp tpan nganh giap
due trpng viec d i u td, Qng dung CNTT trong day
hpe Cae p h i n mem day hpc phpng phu va da
dang, giap an dien td dddc dang tai ngay 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
trong day hpe da gdp phan quan trpng trpng tien
trinh ddi mdi phddng phap day hpe hie-n nay 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 nay 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
2 6 DAY VA HOC NGAY NAY SO 6-2010
BUI KHAC TIN Trddng Cap dang Sd pham Kien Giang
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
1 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 trong hoat dpng va bang hoat dpng tu* giac, tich cifc, chu dpng va sang tao
CNTT phat trien lien tuc, ngay 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 khi giao vien cdn trinh didn,
do 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 thanh 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 duy 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")
2 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
Trang 2Mon 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 trong qua trinh hinh thanh va
phat trien, trong qua trinh tim tdi, phat minh thi
trong 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 duy tean
hpe"(1) Day tean la day ehp HS biet tim tdi, suy
luan, ehdng minh Dp vay, khi 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 khi kiem tra
ket qua viee thde hien cac phep tfnh b i n g cae
bien ddi toan hpe heac khi 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
3 Ufng dung CNTT trong day hpc mon Toan
phdi dung luc, dung chd, dung npi dung day
hpc can thiet, tranh lam dung
Khi day hpc khai niem, tuy thee cpn dddng hinh
thanh khai niem la quy nap hay suy didn, hoae la
con 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 nay
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 trong 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 sao 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 khi 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 c h i t 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 trong 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
1 Nguyin Ba Kim (chu bien), Phddng phap
day hpe dai cddng mdn Tpan, NXB Dai hpc Sd pham, 2006
2 Hoang Trpng Thai- Tran Thj Ngpc
Diep-Le Quang Phan- Nguyin Van Tuan, Giap trinh
sd dung p h i n mem toan hpc, NXB Dai hpc Sd pham, 2007
3 Thi-baigiang.edu.net.vn, mang Giao due
EduNet
DAY VA HOC NGAY NAY SO 6-2010 27