Innovative teaching manual
9
Innovative Teaching Manual Name of the Teacher : Sajukumari Name of School : B.N.V.V& HSS, Thiruvallam Subject : Mathematics Unit : hr¯§Ä, Npä-fhpw, hnkvXoÀ®hpw Sub Unit : skIvS-dp-I-fpsS hnkvXoÀ®hpw Curricular Statement The pupils are made aware of the concept of sector through explanation, discussion and observation Content Analysis Term : Sector Fact : 1. hr¯¯nsâ Nm]-¯nsâ A{K_nµp-¡sf hr¯¯nsâ tI{µ-hp-ambn Std : IX Div : B Str : Dur : Date :
-
Upload
janu-meera-suresh -
Category
Education
-
view
50 -
download
4
description
Tg manual
Transcript of Innovative teaching manual
Innovative Teaching Manual
Name of the Teacher : SajukumariName of School : B.N.V.V& HSS, ThiruvallamSubject : MathematicsUnit : hr¯§Ä,
Npä-fhpw, hnkvXoÀ®hpwSub Unit : skIvS-dp-I-fpsS hnkvXoÀ®hpw
Curricular Statement
The pupils are made aware of the concept of sector through explanation, discussion and observation
Content AnalysisTerm : Sector
Fact : 1. hr¯¯nsâ Nm]-¯nsâ A{K_nµp-¡sf hr¯¯nsâ tI{µ-hp-ambn tbmPn¸n-¨m In«p¶ cq]s¯ hr¯¯nsâ skIvS-dp-IÄ F¶p ]d-bp-¶p.
2. tI{µ-tIm¬ hÀ²n-¡p-¶-X-\p-k-cn¨v skIvS-dnsâ hnkvXoÀ®w hÀ²n-¡p-¶p.
Std : IX
Div : B
Str :
Dur :
Date :
Concept : skIvS-À F¶ Bibw Formula : Bcw ‘r’ Bb hr¯-¯nse Hcp skIvS-dnsâ Formula tI{µ-tIm¬ xo BsW¦n skIvS-dnsâ
hnkvXoÀ®w π r2
360 BWv.
Learning out comes : The Pupil will be able to
1) Acquire the knowledge of above mentioned fact of concept2) Recall the term ‘sector’3) Develops skill in geometry.4) Develop interest in studying more about circles.
Pre-requisites : Area of Circles, Arc(hr¯¯nsâ hnkvXoÀ®w, Nm]w, tI{µ-tIm¬)
Teaching learning : Chart , Activity Recourse
Introduction
\n§Ä hf CSm-dptm ?F´mWv hf-bpsS BIrXn ?
hr¯s¯ ]än \n§Ä¡v F´dnbmw? hr¯¯nsâ {]tXy-I-X-IÄ Fs´Ãmw ?
Bchpw hymkhpw X½n-epÅ _Ôw F´mWv ?
\ap¡v hr¯-¯n \n¶v Hcp `mKw apdn¨p amän-bm AXnsâ ]c-¸-fhv F´m-sW¶v t\m¡mw
Presentation
T: FÃmhcpw Ieym-W-¯n\v t]mImdptm ? kZy Dn-«p--tÃm ? kZy¡v ]¸Sw Ign-¡m-dp-tm? ]¸-S-¯nsâ BIrXn hr¯-am-sW¶dnbm-a-tÃm?
Dv ,CÃmhr¯w
hr¯¯n\v Bcapv hr¯¯n\v Ah-km-\-an-Ã.-hym-k-apv.
hymk¯nsâ ]Ip-Xn-bm-Wv Bcw
Dv ,CÃmDvAsX
A[ym-]nI {Kq¸mbn Xncn¨v Hmtcm {Kq¸n\pw ]¸Sw \ÂIp-¶p.-A-Xnsâ tI{µ-¯n \n¶pw hr¯-¯ns³d cp _nµp-¡-fn-te¡v hc-¨n«v AXns\
sh«n-sb-Sp-¡m³ ]d-bp-¶p.
Cu ]¸-S-¯n \n¶pw H-cp-`mKw sh«n-sb-Sp¯ `mK-¯ns\ ]d-bp¶ t]cmWv Sector (hr¯mw-iw) skIv-S-dn\v ]e-{]-tXy-I-X-I-fp-apv. AXn\v Bc-apv.
Ip«n-IÄ sN¿p-¶p.
0
hr¯-¯nsâ hnkvXoÀ®w F{X-bmWv ?
apI-fn ]dª hr¯¯nsâ hnkvXoÀ®w F{X-bmWv?
apI-fn ]dª hr¯-¯n tI{µ-tIm¬ xo bpw
Bcw ‘r’ FSp-¡p-I-bm-sW-¦n skIvS-dnsâ hnkvXoÀ®w \ap¡v Ip-]n-Sn-¡m³ Ign-bpw.
skIvS-dnsâ hnkvXoÀ®w Ip-]n-Sn-¡p-¶-Xn\v Xmsg ]d-bp¶ Imcy-§Ä {i²n-¡p-I.
π r2
π r2
Application
1.skÎ-dnsâ Bcw 7 cm Dw tI{µ-tIm¬ (x0) = 36o bpÅ skÎ-dnsâ hnkvXoÀ®w F´v ?
skÎ-dnsâ Bcw 7 = cmtI{µ-tImWnsâ Afhv, x0 =36o
skÎ-dnsâ hnkvXoÀ®w ¿ π r2
360×x0
¿ π ×7×7360 ×36
¿4.9 π NXp-c-{i-sk.an
Review
skÎ-dpIÄ F¶m-se´v ?
Follow up Activity 1. Bcw 14 cm Dw tI{µ-tIm¬ 40 o bpapÅ skIvS-dnsâ hnkvXoÀ®w F{X ?
