NCERT Books Class 8 Maths

Chapter 1 of NCERT Class 8 Maths book:

Chapter 1 is Rational Number, some of the important topics of this chapter are

• Properties of Rational Number such as Closure, Commutativity, Associativity

• Addition, Subtraction, Multiplication and division of Rational Numbers

• Negative of a number

• Reciprocal

• Distributivity of multiplication over addition for Rational Numbers

• Representation of Rational Numbers on the Number Line

• Rational Numbers between two Rational Numbers

Chapter 2 of NCERT Class 8 Maths book

Linear Equations in One Variable is the second chapter of Class 8 NCERT textbook and important topics of this chapter are given below

• Examples of linear equations in one variable.

• Solving equations which have linear expressions on one side and numbers on the other side

• Some applications of linear equations in one variable.

• Solving equations having the variable on both sides.

• Equations reducible to the linear form

Chapter 3 of NCERT Class 8 Maths book

• Polygons and its classification

• Diagonals of a polygon

• Convex and concave polygons

• Regular and irregular polygons

• Angle sum property

• Sum of the measures of the exterior angles of a polygon

• Kinds of Quadrilaterals: Trapezium, Kite, Parallelogram

• Elements of a parallelogram

• Angles & Diagonals of a parallelogram

• Some Special Parallelograms: Rhombus, A rectangle, A square

Chapter 4 of NCERT Class 8 Maths book

Practical Geometry is the 4^th chapter of Class 8 Maths NCERT book and important topics of this chapter are given below:

Constructing a Quadrilateral:

• When two diagonals and three sides are given

• When two adjacent sides and three angles are known

• When three sides and two included angles are given

Chapter 5 of NCERT Class 8 Maths book

Important topics of Chapter 5 Data Handling are given below

Looking for Information: Pictograph, A bar graph, Double Bar Graph

• Organising Data

• Grouping Data

• Bars with a difference

• Circle Graph or Pie Chart

• Drawing pie charts

• Chance and Probability: Getting a result, Equally likely outcomes, Linking chances to probability, Outcomes as events

• Chance and probability related to real life

Chapter 6 of NCERT Class 8 Maths book

Chapter 6 of Class 8 Maths NCERT books is Squares and Square Roots. Important topics of this chapter are given below

• Square numbers and its properties

• Properties of Square Numbers

• Pythagorean triplets

• Finding square roots

• Finding square root through prime factorisation

• Square Roots of Decimals

• Estimating Square Root

Chapter 7 of NCERT Class 8 Maths book

7^th Chapter of Class 8 Maths NCERT book is Cubes and Cube Roots. Important topics of this chapter are given below

• Cubes of numbers

• Some interesting patterns

• Smallest multiple that is a perfect cube

• Cube roots of numbers

Chapter 8 of NCERT Class 8 Maths book

8^th Chapter of Class 8 Maths NCERT textbooks is Comparing Quantities, important topics of this chapters are given below

• Recalling Ratios and Percentages

• Finding the Increase or Decrease Percent

• Finding Discounts

• Estimation in percentages

• Finding cost price/selling price, profit %/loss%

• Deducing a Formula for Compound Interest

• Rate Compounded Annually or Half Yearly (Semi Annually)

• Applications of Compound Interest Formula

Chapter 9 of NCERT Class 8 Maths book

Algebraic Expressions and Identities is the 9^th Chapter of Class 8 Maths NCERT textbook. Important topics of Class 8 Maths NCERT textbook are given below:

• What are Expressions?

• Terms, Factors and Coefficients

• Monomials, Binomials and Polynomials

• Like and Unlike Terms

• Addition and Subtraction of Algebraic Expressions

• Multiplying a Monomial by a Monomial

• Multiplying a Monomial by a Polynomial

• Multiplying a Polynomial by a Polynomial

• Standard Identities & Applying Identities

Chapter 10 of NCERT Class 8 Maths book

Visualising Solid Shapes is the chapter 10 of Class 8 Maths NCERT textbooks. Important topics of this chapter are given below

• Types of 3D-Shapes

• Views of 3D-Shapes

• Mapping Space around Us

• Faces, Edges and Vertices

Chapter 11 of NCERT Class 8 Maths book

Mensuration is the 11th chapter of Class 8th NCERT textbook. Important topics of this chapter are given below
• Area of Trapezium

• Area of a General Quadrilateral

• Area of special quadrilaterals

• Solid Shapes

• Surface Area of Cube, Cuboid and Cylinder

• Volume of Cube, Cuboid and Cylinder

• Volume and Capacity

Chapter 12 of NCERT Class 8 Maths book

Exponents and Powers is the 12^th chapter of Class 8Maths book. Some important topics of this chapter are

• Powers with Negative Exponents

• Laws of Exponents

• Use of Exponents to Express Small Numbers in Standard Form

• Comparing very large and very small numbers

Chapter 13 of NCERT Class 8 Maths book

Direct and Inverse Proportions is the 13th chapters of NCERT Class 8 Maths textbook. There are two important topics in this chapter and they are Direct Proportion & Inverse Proportion.

Chapter 14 of NCERT Class 8 Maths book

Factorisation is the 14^th chapter of Class 8 Maths NCERT textbook. Important topics of this chapter are

• Factors of natural numbers

• Factors of algebraic expressions

• What is Factorisation?

• Method of common factors

• Factorisation using identities

• Factors of the form ( x + a) ( x + b)

• Division of a monomial by another monomial

• Division of Algebraic Expressions Continued (Polynomial ÷ Polynomial)

Chapter 15 of NCERT Class 8 Maths book

Chapter 15 of Class 8 Maths NCERT textbook is Introduction to Graphs. Important topics of this chapter are

• A Bar graph

• A Pie graph (or a circle-graph)

• A histogram

• A line graph

• Linear Graphs

• Some applications of graphs

Chapter 16 of NCERT Class 8 Maths book

Playing with Numbers is the 16th chapter of Class 8 Maths NCERT textbook. Important topics of this chapter are

• Numbers in General Form

• Games with Numbers

• Letters for Digits

• Tests of Divisibility