LESSON PLAN

1. LESSON PLAN - 10
Name of the teacher : Arya Mohan
Subject : Mathematics
Topic : Negative numbers
Sub topic : Repeated multiplication
CURRICULAR STATEMENT
Name of the School : GHSS Anchal
Standard : VIII
Strength : 23
Time : 40 mins
Date : 17/7/14
To understad about negative numbers and its importance in Math-ematics
numbers and observations organisation of charts by analysing the preaperd
notes of the pupil.
CONTENT ANALYSIS
NEW TERMS : Power of negative number.
FACTS : The multiplication of two negative number gives a
positive number.
CONCEPT : 1. Concept of repeated multiplication.
2. Concept of powers of negative number.
PROCESS : Process of finding the solutions of problems related
to repeated multiplication.
CURRICULAR OBJECTIVES
To find the solution of the problems related to repeated multi-plication.
LEARNING OUTCOMES
1. The pupil recoganise the properties of negative numbers .
2. The pupil identifies the concept of two or more negative numbers.
3. The pupil will detect errors while finding the answer.
4. The pupil will discuss problems of negative numbers with other students.
5. The pupil will read charts accurately and quickly.
PREREQUISITES
The pupil have a knowledge about the multiplication of a
positive number with a negative number.
LEARNING AIDS
Usual classroom aids,activity cards,charts.

2. LEARNING STRATEGIES
Meaningful verbal expansion, group discussion,observation of
charts.
Expected response
yq kwJy F¶v
Ip«nIÄ D¯cw
ÂIpw.
GXmpw Ip«nIÂ
D¯cw ÂIm³
{ian¡p¶p.
Content Class room interaction Procedure
INTRODUCTION
PRESENTATION
Ip«nIfpsS ap¶dnhv ]cntim[n¡p¶Xnmbn
A²ym]nI Hcp tNmZyw tNmZn¡p¶p.
A[nkwJysb yq kwJysIm­p
KpWn¡pt¼mÄ KpW ^ew F´msW¶v
A²ym]nI tNmZn¡p¶p.
AXnp tijw A[nkwJysb yq
kwJysIm­p
KpWn¨p In«nb D¯cs¯
ho­pw
A[nkwJysIm­p
KpWn¨m F´v
D¯cw e`n¡psa¶v tNmZn¡p¶p.AXpt]mse
A[nkwJysb yq kwJysIm­p
KpWn¨p
In«nb D¯cs¯ ho­pw
Hcp yq kwJy
sIm­p
KpWn¨m F´v D¯cw e`n¡p¶p.
ACTIVITY 1
ACTIVITY 2 A²ym]nI Hcp tNmZyw ÂIp¶p.
1) -3x4x-5 s eLqIcn¡pI.
-3x4x-5
= (-3x4)x-5
= -12x-5
= 60
-3x4x5
= (-3x4)x-5
= -12x-5
= 60
-3x4x-5
= -3x(4x-5)
= -3x-20
= 60
asämcp coXnbnepw ImWn¡p¶p.
-3x4x-5
= -3x(4x-5)
= -3x-20
= 60
2) -3 x -5 x 4 sN¿m³ Ip«nItfmSv
Bhiys¸Sp¶p.

3. -3x-5x4
3) -1x2x-3
= (-3x-5)x4
= 15x4
= 60
=(-1x2)x-3
=-2x-3
= 6
ACTIVITY 3
A²ym]nI 2 sâ {IXnIÄ GsXms¡
BsW¶p tNmZn¡p¶p.
21 = 2
22 = 2 x 2 = 4
23 = 2 x 2 x 2 = 8
24 = 2 x 2 x 2 x 2 = 16
CXpt]mse þ2sâ IrXnIÄ
GsXms¡bmsW¶v tNmZn¡p¶p.
(-2) 1 = -2
(-2) 2 = -2 x -2 = 4
(-2)3 = -2 x -2 x -2
= 4 x -2
= -8
(-2)4 = -2 x-2 x-2 x-2
= 4 x 4
= 16
CXpt]mse þ3sâ -IrXnIÄ Is­
¯m³
Bhiys¸Sp¶p.
(-3) 1 = -3
(-3)2 = -3 x -3 = 9
(-3)3 = -3 x -3 x -3 = 9 x -3 = -81
(3)4 = -3 x -3 x -3 x -3 = 9 x 9 = 81
BsW¶v ]dbp¶p.
Ip«nIÄ _p¡nÂ
FgpXp¶p.
GXmpw Ip«nIÄ
sN¿p¶p.
ACTIVITY 4 Cu {]hÀÀ¯§fneqsS A²ym]nI Hcp
]pXnb Bibw Ip«nIÄ¡v
]dªpsImSp¡p¶p.
ct­m,
AXne[nItam kwJyIfpsS
KpW¯n yq kwJyIfpsS F®w
Cc«nbmbmÂKpW^ew A[nkwJybpw
yq kwJyIfpsS F®w Hä kwJy
Bbm KpW^ew yq kwJybpw
BsW¶v
-3x-5x4
= (-3x-5)x4
= 15x4
= 60
-1x2x-3
=(-1x2)x-3
=-2x-3
= 6
(B.B)
]dªpsImSp¡p¶p.

4. A²ym]nI Ip«nIsf {Kq¸pIfmbnXncn¨v
{]hÀ¯w ÂIp¶p.
1) 3,4,5 F¶o kwJyIfpw AhbpsS yq
kwJnbIfpw D]tbmKn¨v F{XXc¯n þ60
F¶ KpW^ew D­m¡
mw.
Ip«nIÄ Is­
¯nb D¯c§Ä ¢mknÂ
AhXcn¸n¡p¶p.
A²ym]nI ]mT`mKw H¶pIqSn t{ImUnIcn¨v
AhXcn¸n¡p¶p.
Ip«nItfmSv ]mT`mKhpambn _Ôs¸«
tNmZy§Ä Is­
¯phmpw D¯c§Ä
Is­
¯phmpw Bhiys¸Sp¶p.
Ip«nIÄ D¯cw
Is­
¯phm³
{ian¡p¶p.
Ip«nIÄ
tNmZy§Ä
tNmZn¡p¶p.
Ip«nIÄ D¯cw
Is­
¯p¶p.
-1x2x-3 = Nne {]iv§Ä ÂIp¶p.
-2x-3=6
(-1)3 = -1
(-1)5 = -1
(B.B)
-1x2x-3 =
( -1x2)x-3
= -2x-3
= 6
1.
2. (-1)3 = -1
3. (-1)5 = -1
REVIEW
FOLLOW UP
1. 1x-2x3
2. (-1)99
3. (-1)200
4. -1x-6x7
5. -2x-4x-5
CLOSURE
ACTIVITY 5
ACTIVITY 6
Is­
¯pI.