 # Class 9 Tamil Nadu State Board Mathematics Syllabus

Tamilnadu State Council of Educational Research and Training, in short (TNSCERT) has revised the syllabus over time repeatedly and come up with the most updated version. The syllabus we are providing here are in accordance with the latest curriculum.

Tamilnadu board has implemented Trimester system. The entire academic year is divided into three segments. The examinations are conducted and students are evaluated at the end of each term independently. Previous term syllabus will be omitted and new syllabus will be introduced in each term.

Why mathematical learning is important?

Mathematics is a universal language. Studying mathematics will help to improve reasoning ability and analytical skills or thinking. Analytical thinking helps the child to deal with real life problems more logically.

Mathematics syllabus for class 9 under Tamil Nadu board covers topics like – Set language, Real numbers, Algebra, Geometry, Coordinate geometry, statistics etc… Follow the link below for trimester wise syllabus.

Term I:

 1 Set language Introduction. Set Representation of a Set Types of Sets Set Operations Cardinality and Practical problems and Set Operations 2 Real numbers Introduction. Rational numbers. Irrational numbers Real numbers 3 Algebra Introduction. Polynomials Arithmetic of Polynomial Value and Zeros of a Polynomial Division of Polynomials Remainder theorem 4 Geometry Introduction Geometry Basics- Recall Quadrilaterals Constructions 5 Coordinate Geometry Mapping the Plane Devising a Coordinate system Distance between any two points

Term II

 1 Set language Introduction. Properties of Set Operations. De Morgan’s theorem. Cardinality and Practical problems and Set Operations. 2 Real numbers Introduction. Radical Notation. Surds. Rationalisation of Surds. Scientific notation. 3 Algebra Introduction. Factor theorem. Algebraic Identities. Factorisation. Synthetic division 4 Geometry Introduction Parts of circle Circle through three points. Properties of Chords of a Circle Cyclic Quadrilaterals Constructions 5 Statistics Introduction Collections of Data Measures of central tendency Arithmetic mean. Median Mode Mode

Term III:

 1 Algebra Introduction Linear equation in one variable Linear equation in two variables Slope of a line Intercept of a line Simultaneous Linear Equations Consistency and inconsistency of a linear equation in two variables 2 Coordinate Geometry Introduction Midpoint of a line segment Points of Trisection of a Line Segment Section formula The Coordinates of the Centroid 3 Trigonometry Introduction Trigonometric Ratios and some special angles Trigonometric ratios for complementary angles Method of using Trigonometric Table. 4 Mensuration Introduction Heron’s Formula Application of Heron’s formula in finding areas of quadrilaterals Surface area of cuboid and cubes Volume of cuboid and cube 5 Probability Introduction Basic ideas Classical approach Empirical approach Types of events

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