Preview Class 8 Maths Video Course

Rational Numbers

1. Definition of a rational number

2. Lowest form of rational number

3. Equivalent rational numbers

4. Addition and subtraction of rational numbers of same denominator

5. Addition and subtraction of rational numbers with different denominator

6. Properties of addition of rational numbers

7. Properties of subtraction of rational numbers

8. Multiplication and division of rational numbers

9. Properties of multiplication of rational numbers

10. Properties of division of rational numbers

11. Representation of rational number on number line

12. Finding Rational numbers between rational numbers

Powers and Exponents

1. Laws of exponents

2. Negative integral exponents

Decimal number system

Use of exponents to express small numbers in standard form

Squares and Square roots

1. Square of a number and perfect squares

2. Properties of square numbers

3. Short-cuts to find squares

4. Square root and its properties

5. Finding square root through repeated subtraction

6. Square root through prime factorization

7. Square roots of perfect squares by method of long division

8. Square roots of rational numbers in the form of fractions and decimals

Approximate values of square roots through the method of long division

Approximate values of square roots from square root tables

Cubes and cube roots

1. Cubes of natural numbers and perfect cubes

2. Properties of cubes of natural numbers

3. Finding cube of a two digit number by column method

4. Cubes of rational numbers

5. Cube roots

6. Cube roots of a natural number

7. Cube roots of a rational number

9. Cube root through prime factorization

Some properties of cube roots

Cube root of a negative integral perfect cube

Finding cube roots through cube root tables

Playing with numbers

3. Tests of divisibility

4. Cryptarithms

Generalized form of numbers Expanded form and Exponential form

Interchanging the digits of a number

Algebraic expressions and Identities

2. Terms and Like terms of algebraic expressions

3. Addition and subtraction of algebraic expressions

4. Multiplication of algebraic expressions Monomial with a Binomial

5. Multiplication of algebraic expressions Binomial with a Binomial

6. Multiplication of algebraic expressions general rules

7. Algebraic Identities square of a binomial

Definition

Factorization

1. Factors

2. Factors of a Monomial

3. Common factors and gcf of monomials

4. Factorization of algebraic expressions when a common monomial factor occurs in each of them

5. Factorization when a binomial is a common factor

6. Factorization by grouping the terms

7. A^2-b^2 formula

8. Factorization of perfect square algebraic expressions

9. Polynomials

10. Factorization of quadratic polynomial in one variable

Division of Algebraic expressions

Polynomials of one variable and of multiple variables

Degree of polynomials with one variable and of two variables

Division of a monomial by a monomial

Algebraic expressions which are not polynomials

Division of polynomials in one variable

Division of a polynomial by a binomial using long division

Division of polynomials using factorization

Linear equation in one variable

Cross Multiplication and its use in solving linear equations in one variable

Linear Equations Class 8 CBSE - Linear Equations in One Variable NCERT

Transposition of terms from LHS to RHS and vice versa.

Direct and Inverse variations

What is direct variation and what is inverse variation

Class 8 Maths ICSE || Direct and Inverse Variation || Complete Lesson ||

Application to pipes and cisterns

Percentage

1. Percent as fraction

Percent as ratio

Percent in decimal form

Finding percentage of a number

Profit and Loss, Discount and VAT

1. Cost price, Sale price, profit/loss

2. Profit/Loss percentage

3. Discount, Marked Price

4. Value Added Tax (VAT)

Compound Interest

2. Amount, Principal, Compound interest, Conversion period

Compound interest, what is it

Computation of compound interest using formulae

Inverse problems of compound interest

Application to population growth

Depreciation

Understanding Shapes

Plane figures or 2 dimensional figures and 3 dimensional figures

Curve open curve, closed curve, simple closed curve, position of a point with respect to a curve

Polygons Name of polygons with different number of sides

Adjacent sides, Adjacent vertices, Diagonals of a polygon

Vertices, sides, and diagonals, of a polygon (Hindi)

Math - Elements of Quadrilateral - Sides and diagonals - English

Sum of the interior angles of a polygon of n-sides

Interior angle and Exterior angle values of a regular polygon of n-side

Special types of quadrilaterals

1. Trapezium, Isosceles Trapezium and properties

2. Parallelogram and its properties

3. Rhombus and its properties

4. Rectangle and its properties

5. Square and its properties

6. Kite and its properties

3-dimensional shapes

Polyhedron

Faces, Edges, Vertices of a Polyhedron

Cuboid, Cube, Pyramid, Triangular pyramid (Tetrahedron), Triangular Prism

Regular Polyhedron, Convex Polyhedron

Prisms and Pyramids

Platonic Solids

Visualization of 3-D shapes through Nets

Mensuration ? 2D figures

1. Perimeter and area of Rectangles

Area of a Square | Area of a Rectangle | Don't Memorise

2. Perimeter and area of a parallelogram

3. Perimeter and Area of a trapezium

4. Perimeter and Area of a Rhombus

5. Perimeter and Area of a circle

Perimeter and Area of a Polygon

Mensuration ? 3D figures

1. Units for measuring Volumes

2. Surface area and Volume of a cube

3. Surface area and Volume of a cuboid

4. Surface area of the walls of a room

5. Cylinders, Curved surface area, Total surface area

6. Cylinders Volume

Surface area of a hollow cylinder

7. Hollow Cylinders Surface areas and volumes

Preview - Class 8 Maths Video Course