# Maths

#### Class lX Mathematics II Chapter 15 ll Probability (Part 3)

Exercise 15.1(Questions 5-11) and activity

#### Class IX Mathematics II Chapter 15 ll Probability Part 1

Introduction and Exercise 15.1 (Questions 1-4)

#### Class lX Mathematics ll Chapter 14 ll Statistics (Part 3)

Exercise 14.2 ( questions 6-9)

#### Class lX Mathematics II Chapter 14 ll Statistics (Part 2)

Exercise 14.2 (Questions 1 to 5)

#### Class IX Mathematics II Chapter 7 II Triangles ( Part 4 )

Exercise 7.1 ( Questions 6 to 8)

#### Class IX Mathematics II Chapter 7 II Triangles (Part 2)

Exercise 7.1( Questions 1 to 5)

#### Class IX Mathematics II Chapter 7 II Triangles (Part 1)

Introduction of Congruent triangles and congruence criterian

#### Class IX Mathematics II Chapter II Lines and Angles ( Part 6)

Theorem vertically opposite angles and important examples

#### Class IX Mathematics II Chapter 6 II Lines and angles ( Part 3)

Exercise 6.2 (Q 4-6)

#### Class IX Mathematics II Chapter 6 II Lines and angles ( part 4)

Angle sum property and exterior angle property of triangle

#### Class IX Mathematics II Chapter 6 II Lines and Angles (Part 2)

Angles formed by transversal and lines and exercise 6.1(Q 5&6) + exercise 6.2(Q 1-3)

#### Class IX Mathematics II Chapter 6 II Lines and angles. (Part 1)

Introduction of lines and angles and related terms + exercise 6.1

#### Class IX Mathematics II Chapter 2 II Polynomials (Part 10)

Extra questions

#### Class IX Mathematics II Chapter 2 II Polynomials ( Part 9)

Algebraic Identity a3+b3+c3-3abc and it’s special case.

#### Class IX Mathematics II Chapter 2 II Polynomials ( Part 8)

Application of cube of (a+b) and (a-b) and derivation of (a3+b3) and (a3-b3)

#### Class IX Mathematics II Chapter 2 II Polynomials (Part 7)

Square of (a+b+c) and cube of (a+b) and (a-b)

#### Class IX Mathematics II Chapter 2 II Polynomials ( Part 6)

Algebraic Identities

#### Class IX Mathematics II Chapter 2 II Polynomials ( Part 6)

Factorisation by long division method