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100
General Instructions
 As per CCE guidelines, the syllabus of Mathematics for classes IX and X has been divided termwise.
 The units specified for each term shall be assessed through both formative and summative assessment.
 In each term, there will be two formative assessments, each carrying 10% weightage
 The summative assessment in term I will carry 20% weightage and the summative asssessment in the II
term will carry 40% weightage.
 Listed laboratory activities and projects will necessarily be assessed through formative assessments.
Course Structure
Class IX
First Term Marks : 80
UNITS MARKS
I. NUMBER SYSTEM 15
II. ALGEBRA 22
III. GEOMETRY 35
IV. CO-ORDINATE GEOMETRY 05
V. MENSURATION 03
TOTALTHEORY 80
UNIT I : NUMBER SYSTEMS
1. REAL NUMBERS (18) Periods
Review ofrepresentationofnaturalnumbers, integers, rationalnumbers onthenumber line. Representation
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101
ofterminating / non-terminating recurring decimals, onthe number line through successive magnification.
Rationalnumbersasrecurring/terminatingdecimals.
Examples of nonrecurring / non terminating decimals such as 2, 3, 5 etc. Existence of non-rational
numbers (irrationalnumbers) such as 2, 3 and their representation on the number line. Explaining that
everyrealnumber is represented bya unique point on the number line and conversely, everypoint on the
number line representsa unique realnumber.
Existence ofx for a given positive realnumber x (visualproofto be emphasized).
Definitionofnthroot ofa realnumber.
Recalloflawsofexponents withintegralpowers. Rationalexponents withpositive realbases(to bedone by
particular cases, allowing learner to arrive at the generallaws.)
Rationalization(withprecisemeaning) of realnumbers ofthe type(&their combinations)
1
&
1
where x and y are naturalnumber and a, b are integers.
______ _____
a + bx x + y
UNIT II : ALGEBRA
1. POLYNOMIALS (23) Periods
Definitionofa polynomial in one variable, its coefficients, withexamples and counter examples, its terms,
zeropolynomial.Degreeofapolynomial.Constant, linear, quadratic, cubicpolynomials;monomials,binomials,
trinomials. Factors andmultiples. Zeros/roots ofapolynomial/ equation. State andmotivate the Remainder
Theoremwithexamplesand analogyto integers. Statement and proofoftheFactor Theorem. Factorization
ofax2
+ bx + c, a  0 where a, b, c are realnumbers, and ofcubic polynomials using the Factor Theorem.
Recallofalgebraic expressions and identities. Further identities of the type (x + y + z)2
= x2
+ y2
+ z2
+ 2xy
+ 2yz + 2zx, (x  y)3
= x3
 y3
 3xy (x  y).
x3
+ y3
+ z3
— 3xyz = (x + y + z) (x2
+ y2
+ z2
— xy — yz — zx) and their use in factorization of
polymonials. Simple expressions reducible to these polynomials.
UNIT III : GEOMETRY
1. INTRODUCTION TO EUCLID'S GEOMETRY (6) Periods
History- Euclidand geometryinIndia. Euclid's method offormalizing observedphenomenoninto rigorous
mathematics withdefinitions,common/obvious notions, axioms/postulates andtheorems. Thefivepostulates
ofEuclid. Equivalent versions ofthe fifthpostulate. Showing the relationship betweenaxiomand theorem.
1. Giventwo distinct points, there existsone and onlyoneline throughthem.
2. (Prove) two distinct lines cannot have more than one point in common.
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102
2. LINESANDANGLES (10) Periods
1. (Motivate) Ifa raystands on a line, thenthe sumofthe two adjacent angles so formed is 180o
and the
converse.
2. (Prove) Iftwo lines intersect, the verticallyopposite angles are equal.
3. (Motivate)Resultsoncorrespondingangles, alternateangles, interiorangleswhenatransversalintersects
two parallellines.
4. (Motivate) Lines, whichare parallelto a givenline, are parallel.
5. (Prove) The sumofthe angles ofa triangle is 180o
.
6. (Motivate) Ifaside ofa triangleis produced, the exteriorangle so formedisequalto the sumofthe two
interiors opposite angles.
3. TRIANGLES (20) Periods
1. (Motivate) Two trianglesare congruent ifanytwo sides and the included angle ofonetriangle is equal
to anytwo sides and the included angle ofthe othertriangle (SAS Congruence).
2. (Prove)Two trianglesare congruent ifanytwo angles and the includedside ofone triangleis equalto
anytwo angles and the included side ofthe other triangle (ASA Congruence).
3. (Motivate) Two triangles are congruent ifthethree sides ofone triangle are equalto three sides ofthe
other triangle(SSS Congruene).
4. (Motivate) Two right triangles are congruent if the hypotenuse and a side of one triangle are equal
(respectively) to the hypotenuse and a side ofthe other triangle.
5. (Prove) The angles opposite to equalsides ofa triangle are equal.
6. (Motivate) Thesides opposite to equalangles ofa triangle are equal.
7. (Motivate)Triangleinequalities and relationbetween'angle and facing side'inequalities intriangles.
UNIT IV : COORDINATE GEOMETRY
1. COORDINATE GEOMETRY (9) Periods
The Cartesianplane, coordinatesofa point, namesand termsassociatedwiththecoordinateplane, notations,
plotting points inthe plane, graph oflinear equations as examples; focus on linear equations of the type
ax + by + c = 0 bywriting it as y = mx + c and linking withthe chapter onlinear equations intwo variables.
UNIT V : MENSURATION
1. AREAS (4) Periods
Areaofatriangleusing Hero'sformula(without proof)anditsapplicationinfindingthe areaofaquadrilateral.
103
Course Structure
Class IX
Second Term Marks : 80
UNITS MARKS
II. ALGEBRA 14
III. GEOMETRY(Contd.) 35
V. MENSU RATION (Contd.) 15
VI. STATISTICSAND PROBABILITY 16
TOTAL 80
UNIT II : ALGEBRA (Contd.)
2. LINEAR EQUATIONS IN TWO VARIABLES (14) Periods
Recalloflinear equations in one variable. Introductionto the equationin two variables. Prove that a linear
equationintwo variables has infinitelymanysolutions and justifytheir being writtenas ordered pairs ofreal
numbers, plotting them and showing that they seem to lie on a line. Examples, problems from real life,
including problems on Ratio and Proportion and with algebraic and graphical solutions being done
simultaneously.
UNIT III : GEOMETRY (Contd.)
4. QUADRILATERALS (10) Periods
1. (Prove) The diagonaldivides a parallelograminto two congruent triangles.
2. (Motivate) In a parallelogramopposite sides are equal, and conversely.
3. (Motivate) Ina parallelogramopposite angles areequal, and conversely.
4. (Motivate)Aquadrilateralis a parallelogramifa pair ofits opposite sides is paralleland equal.
5. (Motivate) Ina parallelogram, the diagonals bisect eachother and conversely.
6. (Motivate) Ina triangle, the linesegment joining the mid points ofanytwo sides is parallelto the third
side and(motivate) its converse.
5. AREA (4) Periods
Review concept ofarea, recallarea ofa rectangle.
1. (Prove) Parallelograms onthe same base and between the same parallels have the same area.
2. (Motivate)Triangles onthe same base andbetweenthesameparallelsareequalinareaand its converse.
6. CIRCLES (15) Periods
Through examples, arrive at definitions ofcircle related concepts, radius, circumference, diameter, chord,
arc, subtended angle.
1. (Prove) Equalchords ofa circle subtend equalangles at the center and (motivate) its converse.
2. (Motivate) The perpendicular fromthe center ofa circle to a chord bisects the chord and conversely,
the line drawnthrough the center ofa circle to bisect a chord is perpendicular to the chord.
3. (Motivate) There isone and onlyonecircle passing throughthreegiven non-collinear points.
4. (Motivate) Equalchords of a circle (or ofcongruent circles) are equidistant fromthe center(s) and
conversely.
5. (Prove) Theangle subtended byanarc at the center is double the angle subtended byit at anypoint on
the remaining part ofthe circle.
6. (Motivate)Angles inthe same segment ofacircle are equal.
7. (Motivate) Ifaline segment joining two points subtendes equalangle at two other pointslying onthe
same side ofthe line containing thesegment, the four points lie on a circle.
8. (Motivate) The sumof the either pair ofthe opposite angles ofa cyclic quadrilateral is 180o
and its
converse
7. CONSTRUCTIONS (10) Periods
1. Construction ofbisectors ofline segments & angles, 60o
, 90o
, 45o
angles etc., equilateraltriangles.
2. Construction ofa triangle given its base, sum/difference ofthe other two sides and one base angle.
3. Constructionofatriangle ofgiven perimeterand base angles.
UNIT V : MENSURATION (Contd.)
2. SURFACEAREASAND VOLUMES (12) Periods
Surface areas and volumes ofcubes, cuboids, spheres (including hemispheres) andright circular cylinders/
cones.
UNIT VI : STATISTICS AND PROBABILITY
1. STATISTICS (13) Periods
Introduction to Statistics : Collection ofdata, presentation ofdata — tabular form, ungrouped / grouped,
bar graphs, histograms(withvarying baselengths),frequencypolygons, qualitative analysis ofdatato choose
the correct formofpresentation for the collected data. Mean, median, modeofungrouped data.
2. PROBABILITY (12) Periods
History, Repeated experiments and observed frequency approach to probability. Focus is on empirical
probability. (Alarge amount of time to be devoted to group and to individual activities to motivate the
concept; the experiments to be drawn fromreal- life situations, and fromexamples used inthe chapter on
statistics).

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Class 9 Cbse Maths Syllabus 2010-11

  • 1. w w w .edurite.com 100 General Instructions  As per CCE guidelines, the syllabus of Mathematics for classes IX and X has been divided termwise.  The units specified for each term shall be assessed through both formative and summative assessment.  In each term, there will be two formative assessments, each carrying 10% weightage  The summative assessment in term I will carry 20% weightage and the summative asssessment in the II term will carry 40% weightage.  Listed laboratory activities and projects will necessarily be assessed through formative assessments. Course Structure Class IX First Term Marks : 80 UNITS MARKS I. NUMBER SYSTEM 15 II. ALGEBRA 22 III. GEOMETRY 35 IV. CO-ORDINATE GEOMETRY 05 V. MENSURATION 03 TOTALTHEORY 80 UNIT I : NUMBER SYSTEMS 1. REAL NUMBERS (18) Periods Review ofrepresentationofnaturalnumbers, integers, rationalnumbers onthenumber line. Representation
  • 2. w w w .edurite.com 101 ofterminating / non-terminating recurring decimals, onthe number line through successive magnification. Rationalnumbersasrecurring/terminatingdecimals. Examples of nonrecurring / non terminating decimals such as 2, 3, 5 etc. Existence of non-rational numbers (irrationalnumbers) such as 2, 3 and their representation on the number line. Explaining that everyrealnumber is represented bya unique point on the number line and conversely, everypoint on the number line representsa unique realnumber. Existence ofx for a given positive realnumber x (visualproofto be emphasized). Definitionofnthroot ofa realnumber. Recalloflawsofexponents withintegralpowers. Rationalexponents withpositive realbases(to bedone by particular cases, allowing learner to arrive at the generallaws.) Rationalization(withprecisemeaning) of realnumbers ofthe type(&their combinations) 1 & 1 where x and y are naturalnumber and a, b are integers. ______ _____ a + bx x + y UNIT II : ALGEBRA 1. POLYNOMIALS (23) Periods Definitionofa polynomial in one variable, its coefficients, withexamples and counter examples, its terms, zeropolynomial.Degreeofapolynomial.Constant, linear, quadratic, cubicpolynomials;monomials,binomials, trinomials. Factors andmultiples. Zeros/roots ofapolynomial/ equation. State andmotivate the Remainder Theoremwithexamplesand analogyto integers. Statement and proofoftheFactor Theorem. Factorization ofax2 + bx + c, a  0 where a, b, c are realnumbers, and ofcubic polynomials using the Factor Theorem. Recallofalgebraic expressions and identities. Further identities of the type (x + y + z)2 = x2 + y2 + z2 + 2xy + 2yz + 2zx, (x  y)3 = x3  y3  3xy (x  y). x3 + y3 + z3 — 3xyz = (x + y + z) (x2 + y2 + z2 — xy — yz — zx) and their use in factorization of polymonials. Simple expressions reducible to these polynomials. UNIT III : GEOMETRY 1. INTRODUCTION TO EUCLID'S GEOMETRY (6) Periods History- Euclidand geometryinIndia. Euclid's method offormalizing observedphenomenoninto rigorous mathematics withdefinitions,common/obvious notions, axioms/postulates andtheorems. Thefivepostulates ofEuclid. Equivalent versions ofthe fifthpostulate. Showing the relationship betweenaxiomand theorem. 1. Giventwo distinct points, there existsone and onlyoneline throughthem. 2. (Prove) two distinct lines cannot have more than one point in common.
  • 3. w w w .edurite.com 102 2. LINESANDANGLES (10) Periods 1. (Motivate) Ifa raystands on a line, thenthe sumofthe two adjacent angles so formed is 180o and the converse. 2. (Prove) Iftwo lines intersect, the verticallyopposite angles are equal. 3. (Motivate)Resultsoncorrespondingangles, alternateangles, interiorangleswhenatransversalintersects two parallellines. 4. (Motivate) Lines, whichare parallelto a givenline, are parallel. 5. (Prove) The sumofthe angles ofa triangle is 180o . 6. (Motivate) Ifaside ofa triangleis produced, the exteriorangle so formedisequalto the sumofthe two interiors opposite angles. 3. TRIANGLES (20) Periods 1. (Motivate) Two trianglesare congruent ifanytwo sides and the included angle ofonetriangle is equal to anytwo sides and the included angle ofthe othertriangle (SAS Congruence). 2. (Prove)Two trianglesare congruent ifanytwo angles and the includedside ofone triangleis equalto anytwo angles and the included side ofthe other triangle (ASA Congruence). 3. (Motivate) Two triangles are congruent ifthethree sides ofone triangle are equalto three sides ofthe other triangle(SSS Congruene). 4. (Motivate) Two right triangles are congruent if the hypotenuse and a side of one triangle are equal (respectively) to the hypotenuse and a side ofthe other triangle. 5. (Prove) The angles opposite to equalsides ofa triangle are equal. 6. (Motivate) Thesides opposite to equalangles ofa triangle are equal. 7. (Motivate)Triangleinequalities and relationbetween'angle and facing side'inequalities intriangles. UNIT IV : COORDINATE GEOMETRY 1. COORDINATE GEOMETRY (9) Periods The Cartesianplane, coordinatesofa point, namesand termsassociatedwiththecoordinateplane, notations, plotting points inthe plane, graph oflinear equations as examples; focus on linear equations of the type ax + by + c = 0 bywriting it as y = mx + c and linking withthe chapter onlinear equations intwo variables. UNIT V : MENSURATION 1. AREAS (4) Periods Areaofatriangleusing Hero'sformula(without proof)anditsapplicationinfindingthe areaofaquadrilateral.
  • 4. 103 Course Structure Class IX Second Term Marks : 80 UNITS MARKS II. ALGEBRA 14 III. GEOMETRY(Contd.) 35 V. MENSU RATION (Contd.) 15 VI. STATISTICSAND PROBABILITY 16 TOTAL 80 UNIT II : ALGEBRA (Contd.) 2. LINEAR EQUATIONS IN TWO VARIABLES (14) Periods Recalloflinear equations in one variable. Introductionto the equationin two variables. Prove that a linear equationintwo variables has infinitelymanysolutions and justifytheir being writtenas ordered pairs ofreal numbers, plotting them and showing that they seem to lie on a line. Examples, problems from real life, including problems on Ratio and Proportion and with algebraic and graphical solutions being done simultaneously. UNIT III : GEOMETRY (Contd.) 4. QUADRILATERALS (10) Periods 1. (Prove) The diagonaldivides a parallelograminto two congruent triangles. 2. (Motivate) In a parallelogramopposite sides are equal, and conversely. 3. (Motivate) Ina parallelogramopposite angles areequal, and conversely. 4. (Motivate)Aquadrilateralis a parallelogramifa pair ofits opposite sides is paralleland equal. 5. (Motivate) Ina parallelogram, the diagonals bisect eachother and conversely. 6. (Motivate) Ina triangle, the linesegment joining the mid points ofanytwo sides is parallelto the third side and(motivate) its converse. 5. AREA (4) Periods Review concept ofarea, recallarea ofa rectangle. 1. (Prove) Parallelograms onthe same base and between the same parallels have the same area. 2. (Motivate)Triangles onthe same base andbetweenthesameparallelsareequalinareaand its converse.
  • 5. 6. CIRCLES (15) Periods Through examples, arrive at definitions ofcircle related concepts, radius, circumference, diameter, chord, arc, subtended angle. 1. (Prove) Equalchords ofa circle subtend equalangles at the center and (motivate) its converse. 2. (Motivate) The perpendicular fromthe center ofa circle to a chord bisects the chord and conversely, the line drawnthrough the center ofa circle to bisect a chord is perpendicular to the chord. 3. (Motivate) There isone and onlyonecircle passing throughthreegiven non-collinear points. 4. (Motivate) Equalchords of a circle (or ofcongruent circles) are equidistant fromthe center(s) and conversely. 5. (Prove) Theangle subtended byanarc at the center is double the angle subtended byit at anypoint on the remaining part ofthe circle. 6. (Motivate)Angles inthe same segment ofacircle are equal. 7. (Motivate) Ifaline segment joining two points subtendes equalangle at two other pointslying onthe same side ofthe line containing thesegment, the four points lie on a circle. 8. (Motivate) The sumof the either pair ofthe opposite angles ofa cyclic quadrilateral is 180o and its converse 7. CONSTRUCTIONS (10) Periods 1. Construction ofbisectors ofline segments & angles, 60o , 90o , 45o angles etc., equilateraltriangles. 2. Construction ofa triangle given its base, sum/difference ofthe other two sides and one base angle. 3. Constructionofatriangle ofgiven perimeterand base angles. UNIT V : MENSURATION (Contd.) 2. SURFACEAREASAND VOLUMES (12) Periods Surface areas and volumes ofcubes, cuboids, spheres (including hemispheres) andright circular cylinders/ cones. UNIT VI : STATISTICS AND PROBABILITY 1. STATISTICS (13) Periods Introduction to Statistics : Collection ofdata, presentation ofdata — tabular form, ungrouped / grouped, bar graphs, histograms(withvarying baselengths),frequencypolygons, qualitative analysis ofdatato choose the correct formofpresentation for the collected data. Mean, median, modeofungrouped data. 2. PROBABILITY (12) Periods History, Repeated experiments and observed frequency approach to probability. Focus is on empirical probability. (Alarge amount of time to be devoted to group and to individual activities to motivate the concept; the experiments to be drawn fromreal- life situations, and fromexamples used inthe chapter on statistics).