Mathematics

Mathematics 9

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Course Description

This course helps the students to understand the concepts based on coordinate geometry, number system, algebra, trigonometry, statistics, and graphs. Topics covered in this course include: number system, polynomials, linear equations, triangles, statistics, and probability.

What you’ll learn
  • Number Systems
  • Polynomials 9
  • Coordinate Geometry 9
  • Linear Equation in Two variables
  • Euclid_s Geometry
  • Lines and Angles 9
  • Triangles 9
  • Quadrilaterals
  • Areas of parallelograms and triangles
  • Circles 9
  • Constructions
  • Heron_s Formula
  • Surface Areas and Volumes
  • Statistics 9
  • Probability 9
1.1: Rational and Irrational Numbers  

05:59

2.1: Representing of Irrational Number on Number Line  

03:54

3.1: Real Numbers and their Decimal Expansions  

04:05

4.1: Conversion of Decimals Into Fractions  

03:36

5.1: Representing Real Numbers on the Number Line  

01:33

6.1: Operations on Real Numbers  

01:35

7.1: Laws of Components of Real Numbers  

8.1: Number System - Assessment  

9.1: Number System - Answer key  

1.1: Polynomials in One Variable  

02:53

2.1: Zeroes of a Polynomial  

01:33

3.1: Remainder Theorem  

03:47

4.1: Factorization of Polynomials  

05:52

5.1: Factorization of Quadratic Polynomials  

02:05

6.1: Factorization of Cubic Polynomials  

01:40

7.1: Algebraic Identities I  

04:58

8.1: Algebraic Identities_II  

04:46

9.1: Polynomials 9 - Assessment  

10.1: Polynomials 9 - Answer key  

1.1: Cartesian System  

03:26

2.1: Plotting a Point in the Plane if its Coordinates are Given  

00:54

3.1: Coordinate Geometry - Assessment  

4.1: Coordinate Geometry - Answer key  

1.1: Linear Equations  

02:15

2.1: Solution of a Linear Equation  

01:15

3.1: Graph of a Linear Equation in Two Variables  

01:38

4.1: Equations of Lines Parallel to the x-axis and y-axis  

01:23

5.1: Linear Equation in Two variables - Assessment  

6.1: Linear Equation in Two variables - Answer key  

1.1: Euclid’s Definitions, Axioms and Postulates – Part 1  

01:26

2.1: Euclid’s Definitions, Axioms and Postulates – Part 2  

02:38

3.1: Equivalent Versions of Euclid’s Fifth Postulate  

00:35

4.1: Euclid_s Fifth Postulate Case I  

01:11

5.1: Euclid_s Fifth Postulate Case II  

00:58

6.1: Euclid's Geometry - Assessment  

7.1: Euclid_s Geometry - Answer key  

1.1: Terms and Definitions Related to Lines  

04:12

2.1: Theorem_1  

01:48

3.1: Theorem -2  

03:05

4.1: Angle Sum Property of a Triangle -9  

03:17

5.1: Lines and angles 9 - Assessment  

6.1: Lines and angles 9 - Answer key  

1.1: Congruence of Triangles 9  

01:59

2.1: Criteria for Congruence of Triangles 9  

03:22

3.1: Some Properties of a Triangle  

01:54

4.1: Some More Criteria for Congruence of Triangles  

01:29

5.1: Inequalities in a Triangle  

03:27

6.1: Triangles 9 - Assessment  

7.1: Triangles 9 - Answer key  

1.1: Angle Sum Property of a Quadrilateral  

03:23

2.1: Types of Quadrilaterals 9  

01:20

3.1: Properties of a Parallelogram_1  

04:03

4.1: Properties of a Parallelogram_2  

03:29

5.1: Properties of a Parallelogram_3  

04:51

6.1: Another Condition for a Quadrilateral to be a Parallelogram  

01:21

7.1: The Mid-point Theorem  

03:06

8.1: Quadrilaterals - Assessment  

9.1: Quadrilaterals - Answer key  

1.1: Figures on the Same Base and Between the Same Parallels  

01:57

2.1: Parallelograms on the Same Base and Between the Same Parallels  

03:15

3.1: Triangles on the Same Base and Between the Same Parallels  

01:42

4.1: Parallelogram and Triangle Lying on SB and Between the SP  

02:36

5.1: Perpendicular Bisector of a Line Segment  

03:05

6.1: Areas of Parallelograms and triangles - Assessment  

7.1: Areas of Parallelograms and triangles - Answer key  

1.1: Circles and Its Related Terms  

02:07

2.1: Angle Subtended by a Chord at a Point  

02:26

3.1: Circle through Three Points  

00:58

4.1: Equal Chords and Their Distances from the Centre  

01:53

5.1: Angle Subtended by an Arc of a Circle  

01:17

6.1: Angles Subtended by Congruent Arcs  

01:09

7.1: Application of Congruent Arcs  

01:38

8.1: Concyclic Points  

01:48

9.1: Properties of Cyclic Quadrilaterals  

02:53

10.1: Perpendicular from Centre to Chord  

02:06

11.1: Circles - Assessment  

12.1: Circles - Answer key  

1.1: Basic Constructions  

02:29

2.1: Some Constructions of Triangles  

02:16

3.1: Constructing Angle of 120  

01:06

4.1: Construction of the Triangle Case I  

01:10

5.1: Construction of the Triangle Case II  

01:15

6.1: Constructions - Assessment  

7.1: Constructions - Answer key  

1.1: Area of a Triangle — by Heron’s Formula  

02:10

2.1: Application of Heron’s Formula in Finding Areas of Quadrilaterals  

02:18

3.1: Application of Heron’s Formula- Quadrilateral  

02:42

4.1: Application of Heron’s Formula- Triangle  

01:44

5.1: Heron_s Formula - Assessment  

6.1: Heron_s Formula - Answer key  

1.1: Surface Area of Cuboids  

04:03

2.1: Surface Area of a Right Circular Cylinder  

04:42

3.1: Surface Area of a Right Circular Cone  

04:11

4.1: Surface Area of a Sphere  

03:03

5.1: Volume of Cuboid  

02:22

6.1: Volume of a Cylinder  

01:08

7.1: Volume of a Right Circular Cone  

02:02

8.1: Volume of a Sphere  

01:15

9.1: Surface Areas and Volumes - Assessment  

10.1: Surface Areas and Volumes - Answer key  

1.1: Introduction of Data  

02:50

2.1: Graphical Representation of Data  

02:16

3.1: Histogram 9  

02:15

4.1: Interpretation of Histograms  

02:51

5.1: Frequency Polygons  

02:14

6.1: Mean  

04:13

7.1: Statistics 9 - Assessment  

8.1: Statistics 9 - Answer key  

1.1: Application of probability  

01:36

2.1: Probability An Experimental Approach  

01:50

3.1: Some more Examples of Probability  

01:01

4.1: Probability 9 - Assessment  

5.1: Probability 9 - Answer key  

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This course includes
  • Units 15
  • Lessons 113
  • Expiry Date Full lifetime access
  • Language English
  • Last Updated Nov 08 2022

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