 # Optional Math Grade 9 Tuturial

Optional Math  Grade 9 is the collection of all relevant information of the all chapters of Computer Mathematics. The main objective is to provide the study material online for everyone in the digital format freely. We hope that all students will be benefited by Optional Math  Grade 9.

The contents are as follows

## Chapter 1 : Algebra

In the Chapter Algebra we are going to learn about the factorization, indices, simplify the algebraic expression and indices, ratio and proportion. The chapter contain mainly the ratio and proportion, indices, linear equation and quadratic equations.

Watch Video:  Algebra Part 1

Watch Video:  Algebra Part 2

Watch Video:  Algebra Part 3

## Chapter 2: Coordinate Geometry

In the Chapter Coordinate Geometry we are going to learn about the triangles, parallelogram, constructions, similarity and circles. The chapter contain the definitions of all the geometrical figures with their numerical problems and solutions. The constructions of these geometrical figures according the the new syllabus are presented by the top facilitators of Nepal.

Watch Video:  Coordinate Geometry Part 1

Watch Video:  Coordinate Geometry (Locus)

Watch Video:  Coordinate Geometry (Perpendicular Form 1)

Watch Video:  Coordinate Geometry (Perpendicular Form 2)

Watch Video:  Coordinate Geometry(Area of Triangle)

Watch Video:  Coordinate Geometry (Exercise of Coordinate Geometry)

## Chapter 3: Trigonometry

In the Chapter trigonometry we are going to learn about the trigonometry and the questions of trigonometry. The trigonometry is used to measure the angle of a triangle. Here we are going to learn how to calculate the angles in trigonometry form. The questions are based on the basic trigonometry of syllabus of Class 9.

Watch Video:  Trigonometry (Introduction)

Watch Video:  Trigonometry (Trigonometric Ratio)

Watch Video:  Trigonometry (Simplification)

Watch Video:  Trigonometry (Measurement of Trigonometric angles)

Watch Video:  Trigonometry (Trigonometric ratio of Angle 1)

Watch Video:  Trigonometry (Trigonometric ratio of Angle 2)

Watch Video:  Trigonometry (Graph of Trigonometric Functions)

## Chapter 4: Transformations

In the Chapter probability and how to calculate the transformation of the any event. The questions are based on the basic transformation of syllabus of Class 9.

Watch Video:  Transformation Part 1

Watch Video:  Transformation Part 2

Watch Video:  Transformation Part 3

Watch Video:  Transformation (Rotation 1)

Watch Video:  Transformation (Rotation 2)

## Chapter 5: Limit and Continuity

In the Chapter limit and continuity we are going to learn and their implementation in our daily life. The calculation of long data is formed easily by using the formula.  The questions are based on the basic limit and continuity of syllabus of Class 9.

Watch Video:  Limit and Continuity Part 1

Watch Video:  Limit and Continuity Part 2

Watch Video:  Limit and Continuity Part 3

## Chapter 6: Matrix

In the Chapter matrix we are going to learn and their implementation in our daily life. The calculation of long data is formed easily by using the formula.  The questions are based on the basic matrix of syllabus of Class 9.

Watch Video:  Matrix (Introduction)

Watch Video:  Matrix (Multiplication)

## Chapter 7: Vector

In the Chapter Vector we are going to learn and their implementation in our daily life. The calculation of long data is formed easily by using the formula.  The questions are based on the basic vector of syllabus of Class 9.

Watch Video:  Vector (Introduction)

## Chapter 7: Statistics

In the Chapter statistics we are going to learn and their implementation in our daily life. The calculation of long data is formed easily by using the formula.  The questions are based on the statistics of syllabus of Class 9.

Watch Video:  Statistics (Introduction)

Watch Video:  Statistics (Mean Deviation & Coefficient)