Tun 16
Trng THCS Trn Hng o Gio n M thut 7
Tun 16 Ngy son: 28/11/2015Tit 16
Ngy dy: 30/11/2015Tit 16 Bi 17 - V trang trTRANG TR BA LCH TREO TNG
I. MC TIU:
1. Kin thc: Cch trang tr ba lch treo tng.
2. K nng: - Trang tr c ba lch treo tng.
- Hc sinh c th tn dng nhng ph phm trang tr3. Thi : Hiu thm vai tr ca m thut trang tr ng dng trong cuc sng.
II. CHUN B:
1. dng dy hc:
a. Gio vin: - My chiu, mn chiu, bi ging in t,...- Cc mu thng tin (c ct bng giy xp mng)
- Bi v ca hc sinh nm trc
b. Hc sinh: dng hc tp (v, giy A4, ch, ty, thc, mu...)2. Phng php: Trc quan, vn p, luyn tp, minh ha.
III.TIN TRNH DY- HC:
1. n nh t chc
2. Kim tra bi c: Kim tra s chun b ca hc sinh3. Bi mi:HOT NG
GIO VIN V HC SINHNI DUNG
- GV m mt on phim c li bi ht
- Hc sinh quan st on phim va trnh chiu - GV trnh chiu mt s loi lch
H: Theo em u l ba lch treo tng?
- HS tr li
(s 3 l ba lch treo tng)- GV gii thiu dn vo bi miH 1: Hng dn HS quan st nhn xt
- GV cho HS xem mt ba lch tht
- HS quan st
H: Ba lch treo tng c my phn? l nhng phn no?- HS tr li
( c 3 phn...)- GV trnh chiu mt s ba lch treo tng by bn trn th trngH: Em c nhn xt g v hnh dng ca ba lch?
- HS tr li
(a dng.)
H: Cc hnh nh trn ba lch?
- HS tr li
(nh hay tranh v)
H: Cch sp xp b cc ca ba lch nh th no?
- HS tr li(cn i, hp l)H 2: Hng dn HS cch trang tr
H: Theo em, trang tr mt ba lch treo tng ta thc hin bao nhiu bc?
- HS tr li
(C 4 bc)
- GV mi mt hc sinh gn bng cc mu thng tin c chun b sn.
- HS nhn xt
- GV cht
- GV thc hin cc bc trn bng H: Theo em ta nn chn nhng hnh nh no trang tr ba lch treo tng?
- HS tr li
(Hoa mai, hoa o, l hi...)- Mi 1 hoc 2 HS la chn hnh nh H: Em s chn hnh dng ba lch nh th no?
- HS tr li
(hnh ch nht ng, hnh vung,...)
- GV v bng mt b cc - HS nhn xt
- GV cht kin thc
H: Ta nn s dng mu sc nh th no khi trang tr ba lch treo tng?
- HS tr li
(mu sc ti sng, rc r ph hp vi nm mi...)
- GV gi cho HS nh li cch s dng mu sc trong trang tr...Hot ng 3: Hng dn HS luyn tp
- GV treo 2 bi lm ca HS nm trc - HS quan st nhn xt: B cc, mu sc- GV nu nhng iu HS cn trnh khi lm bi- HS lm bi theo nhm i- HS mang phn chun b ca nhm ra lm bi
- GV quan st gip nhng HS ang cn lng tng
Hot ng 4: nh gi kt qu hc tp- GV chn 3 bi ca HS gn bng- HS quan st v nhn xt: B cc, mu sc- GV nhn xt
H: Mt ba lch treo tng gm my phn? l nhng phn no?- HS tr li
H: Nhc li cch trang tr ba lch treo tng?
- HS tr li
* Dn d:- V nh hon thnh bi lp nu lm cha xong
- Xem li cc bi v tranh ti hc chun b thi hc k 11. Lch bn 2. Lch t
3. Lch treo tng
Ba lch thng c 3 phn:
- Phn ch
- Phn hnh nh
- Phn lch
II. Cch trang tr:
B1: Chn hnh nh B2: Xc nh khun kh ba lch
B3: Sp xp b cc
B4: Mu sc
+ B1:
+ B2:
+ B3:
* Luyn tp: Em hy trang tr mt ba lch treo tng Kch thc ty chn
* Rt kinh nghim:..............................................................................................................................................................................................................
Gio vin: Trnh Gia Ly