# Math and Science Class 8 CBSE Online Course

## Description

##### Math and Science Class 8 CBSE Online Course

Math is a subject that studies numbers, quantities, and space. Science gives the logic behind anything and everything around us. This is a combo course providing the two subjects- Math and Science for Grade 8 CBSE which is strictly aligned to the latest NCERT Syllabus.

The course has a series of explanatory videos where a concept is explained in a way that will help you relate and understand the concepts. Each video is followed by a quiz which will help you test your knowledge. To make it a complete package, there are assessment tools on various topics.

These course topics are arranged chapter-wise completing the entire syllabus for Grade 8 Math and Science.

#### What will you learn in this course:

This course covers all 16 chapters of class 8th Mathematics and 18 chapters of Science mapped according to the latest NCERT syllabus.

#### Who is this Course for:

• This course is created specifically for class 8 CBSE students. However, it can be taken by students of any board or grade if the course content matches their need.

• This course can be taken by teachers who wish to provide a better learning tool for students.

#### Requirements:

• Basic understanding of the subjects of Math and Science

• Basic arithmetic and calculation skills

• A curiosity to learn the subjects

If You Have Any Queries you can Call / Whatsapp Us on  +917506363600 Or Mail us on Info@letstute.co.in

## Lessons

• lessons
• 14 hr 8mins
• #### Real Numbers

• Natural and Whole Numbers (Review)
• What are Rational Numbers?
• Fractions and Integers - Are they Rational Numbers?
• What are Positive and Negative Rational Numbers?
• What is the Closure property of Rational Numbers?
• What is the Commutative Property of Rational Numbers?
• What is the Associative Property of Rational Numbers?
• What are Additive and Multiplicative identities?
• What is the Zero Property?
• What are the Other Properties of Rational Numbers?
• How do we Add Two Rational Numbers? Part 1
• How do we Add Two Rational Numbers? Part 2
• How do we Subtract Two Rational Numbers?
• How do we Multiply Two Rational Numbers? Part 1
• How do we Multiply Two Rational Numbers? Part 2
• How do we Divide Two Rational Numbers? Part 1
• How do we Divide Two Rational Numbers? Part 2
• Rational Numbers on a Number Line - Part 1
• Rational Numbers on a Number Line - Part 2
• Rational Numbers on a Number Line - Part 3
• How many Rational Numbers exist between Two Rational Numbers?
• How many Rational Numbers exist between Two Rational Numbers? (Logic)
• How many Rational Numbers exist between Two Rational Numbers? (Finding Averages)
• How do we Find Rational Numbers between Two Rational Numbers? (Examples Part 1)
• How do we Find Rational Numbers between Two Rational Numbers? (Examples Part 2)
• #### Linear Equations One Variable

• What is a Linear Equation in One Variable?
• How do we Use the Inverse Method to Solve a Linear Equation?
• How do we Use the Transpose Method to Solve a Linear Equation?
• Forming Equations - Find the Parts
• Forming Equations - Find the Number
• Forming Equations - Find the Length and Breadth of a Rectangle
• Forming Equations - Inheritance
• Forming Equations - Consecutive Integers
• Forming Equations - Consecutive Even Integers
• Forming Equations - Find the Digits; and then the Number
• Forming Equations - Find the Present Age
• Forming Equations - Find the Present Age (Table Method)
• Forming Equations - Find the Fraction
• Forming Equations - Find the Number of Coins

• What are the Different Pairs of Sides and Angles in a Quadrilateral?
• What is a Polygon?
• What is a Regular Polygon?
• What are Trapeziums and Kites?
• What is a Parallelogram and what are its Special Cases?
• What is the Relation of an Exterior Angle of a Triangle with its Interior Angles?
• Exterior Angles of a Triangle - Example
• What are the Different Properties of Quadrilaterals we will look at?
• How do we Prove that the Diagonals of an Isosceles Trapezium are Equal?
• How do we Prove that the Diagonals of a Kite are Perpendicular to each other?
• How do we Prove that the Opposite Sides of a Parallelogram are Equal?
• How do we Prove that the Opposite Angles of a Parallelogram are Equal?
• How do we Prove that the Diagonals of a Parallelogram Bisect each other?
• How do we Prove that the Diagonals of a Rectangle are Equal?
• How do we Prove that the Diagonals of a Rhombus Bisect each other are Right Angles?
• A Summary of the Properties of a few Special Quadrilaterals
• Properties of a Rhombus - Example
• Practical Geometry - Introduction
• Constructing a Quadrilateral – With lengths of 3 sides and 2 diagonals
• Constructing a Quadrilateral – With lengths of 4 sides and the diagonal
• Constructing a Quadrilateral – With lengths of 3 sides and 2 included angles
• Constructing a Quadrilateral – With lengths of 2 adjacent sides and 3 angles
• Constructing Quadrilaterals – Special Cases
• #### Practical Geometry

• Practical Geometry - Introduction
• Constructing a Quadrilateral – With lengths of 4 sides and the diagonal
• Constructing a Quadrilateral – With lengths of 3 sides and 2 diagonals
• Constructing a Quadrilateral – With lengths of 3 sides and 2 included angles
• Constructing a Quadrilateral – With lengths of 2 adjacent sides and 3 angles
• Constructing Quadrilaterals – Special Cases
• #### Data Handling

• What are Bar graphs?
• Bar Graph - Example
• How do we Draw a Bar Graph? Example 1
• How do we Draw a Bar Graph? Example 2
• What are Joint Bar Graphs?
• How do we Draw a Joint Bar Graph?
• What is a Percentage Bar Diagram?
• How do we Draw a Percentage Bar Diagram?
• Percentage Bar Diagram - Example
• How do we Classify Data?
• What are Tally Marks?
• What is Ungrouped Frequency Distribution?
• What is Grouped Frequency Distribution? Part 1
• What is Grouped Frequency Distribution? Part 2
• How do we form Class Intervals?
• What is the Continuous Form of Grouping?
• What are Pie Charts?
• How do we Interpret a Pie Chart?
• How do we Construct a Pie Chart? Part 1
• How do we Construct a Pie Chart? Part 2
• What is a Histogram?
• How do we draw Histograms for Discontinuous Class Intervals?
• What is Probability?
• What are Equally Likely Events? (Tossing a Coin)
• What are Equally Likely Events? (Throwing a die)
• When are two Events Not Equally Likely? What are Impossible and Certain Events?
• #### Squares and Square roots

• What is the Square of a Number?
• Pythagorean triplets
• What are Square Roots?
• How do we Find the Square Root of a Number using the Prime Factorisation Method? Part 1
• How do we Find the Square Root of a Number using the Prime Factorisation Method? Part 2
• How do we Find the Square Root of a Number using the Long Division Method? Part 1
• How do we Find the Square Root of a Number using the Long Division Method? Part 2
• How do we Find the Square Root of a Number using the Long Division Method? Part 3
• How do we Find the Square Root of a Number using the Long Division Method? Part 4
• #### Cubes and Cube roots

• What is the Cube of a Number?
• What is the Cube Root of a Number?
• How do we Find the Cube Root of a Large Number? (in a few seconds)
• How do we Find the Cube Root of a Number using the Prime Factorisation Method?
• #### Comparing Quantities

• What is a Ratio?
• What is Percentage?
• Percentage - Example
• Percentage of a Quantity - Example 1
• Percentage Increase or Decrease - Example 2
• What do we mean by Discount?
• How do we Find a Percentage of a Given Quantity?
• What do we mean by Profit and Loss?
• What do we mean by Cost Price and Selling Price?
• What do we mean by Profit Percentage and Loss Percentage?
• Example - How do we find the Cost Price when we are given the Loss Percentage?
• What do we mean by Sales Tax?
• Simple Interest - Basics
• Simple Interest v/s Compound Interest
• What is Half Yearly Compounding?
• What is Quarterly Compounding?
• How do we Derive the Compound Interest formula?
• Compound Interest Example
• #### Algebraic Expressions and Identities

• What is an Equation?
• What are Terms?
• How do we Count the Number of Terms in an Algebraic Expression?
• What are Like and Unlike Terms?
• When can Terms be Added or Subtracted?
• Heard of the Polynomial Store?
• What is Factorisation of Polynomials?
• How do we Add Two Polynomials?
• How do we Subtract One Polynomial from Another?
• How do we Add Two Polynomials using the COLUMN method? Part 1
• How do we Add Two Polynomials using the COLUMN method? Part 2
• How do we Subtract a Polynomial from Another using the COLUMN method? Part 1
• How do we Subtract a Polynomial from Another using the COLUMN method? Part 2
• How do we Multiply Two Monomials?
• How do we Multiply a Monomial with a Binomial?
• How do we Multiply Two Polynomials?
• What is an Identity?
• First Identity (Square of a Binomial)
• How do we Prove the First Identity?
• Second Identity (Square of a Binomial)
• How do we Prove the Second Identity?
• Third Identity (Difference of Squares)
• How do we Prove the Third Identity?
• #### Visualising Solid Shapes

• What is a Cuboid?
• What is a Cube?
• Cylinder and Sphere
• What is a Cone?
• What is a Prism?
• What is a Pyramid?
• Viewing 3 Dimensional Shapes
• #### Mensuration

• What is the Perimeter of a Rectangle?
• What is the Perimeter of a Square and a Triangle?
• What is the Area of a Square and a Rectangle?
• What is the Perimeter of a Parallelogram?
• What is the Circumference of a Circle?
• How do we Find the Area of an Irregular Figure?
• Area of a Rectangle - Example
• What is the Area of a Parallelogram?
• Area of a Parallelogram - Example
• What is the Area of a Triangle?
• What is the Area of a Circle? Part 1
• What is the Area of a Circle? Part 1
• How do we Find the Area of a Trapezium?
• Paths in a Park - Example
• What do we mean by Volume and Surface Area?
• What is the Surface Area of a Cuboid?
• What is the Surface Area of a Cube?
• What is the Volume of a Cuboid? Part 1
• What is the Volume of a Cuboid? Part 2
• Volume of a Cuboid - Example
• Surface Area of a Cuboid - Example
• What is a Cylinder?
• What is the Surface Area of a Cylinder?
• What is the Volume of a Cylinder?
• What is the Volume of a Pizza?
• Volume of a Cylinder - Example
• A Cylinder within a Cylinder - Example
• #### Exponents and Powers

• What are Exponents?
• What are Negative Exponents?
• What is the Product Law of Exponents?
• What is the Quotient Law of Exponents?
• What is the Power Law of Exponents?
• What are the Power of Product and the Power of Quotient Property?
• Powers of 10 - Part 1
• Powers of 10 - Part 2
• Powers of 10 - Part 3
• #### Direct and Inverse Proportion

• What is Proportion?
• What is Direct Variation? Part 1
• What is Direct Variation? Part 2
• Direct Variation - Example
• What is Indirect Variation? Part 1
• What is Indirect Variation? Part 2
• #### Factorisation

• What are Factors?
• What is Factorisation of Polynomials?
• How do we Factorise Polynomials using Grouping? Part 1
• How do we Factorise Polynomials using Grouping? Part 2
• How do we Factorise Polynomials using Identities? Part 1
• How do we Factorise Polynomials using Identities? Part 2
• How do we Factorise Polynomials using Identities? Part 3
• How do we Factorise a Quadratic Polynomial? Part 1
• How do we Factorise a Quadratic Polynomial? Part 2
• How do we Factorise a Quadratic Polynomial? Part 3
• How do we Factorise a Quadratic Polynomial? Part 4
• How do we Factorise a Quadratic Polynomial? Part 5
• How do we Divide One Monomial by Another?
• How do we Divide a Polynomial by a Monomial?
• How do we Divide a Polynomial by a Monomial? Part 1
• How do we Divide a Polynomial by a Monomial? Part 2
• How do we Divide a Polynomial by a Binomial?
• #### Introduction to Graphs

• What are Bar graphs?
• Bar Graph - Example
• How do we Draw a Bar Graph? Example 1
• How do we Draw a Bar Graph? Example 2
• What are Joint Bar Graphs?
• How do we Draw a Joint Bar Graph?
• What are Pie Charts?
• How do we Interpret a Pie Chart?
• How do we Construct a Pie Chart? Part 1
• How do we Construct a Pie Chart? Part 2
• What is a Histogram?
• How do we draw Histograms for Discontinuous Class Intervals?
• What is a Frequency Polygon?
• How do we Draw a Frequency Polygon using a Histogram?
• How do we Draw a Frequency Polygon without using a Histogram?
• #### Playing with Numbers

• Divisibility Rules (2; 4 and 8)
• Divisibility Rules (5 and 10)
• Divisibility Rules (3; 6 and 9)
• Divisibility Rules (11)
• #### Crop Production and Management

• Agriculture - Introduction
• Agricultural Practices (Preparation of Soil)
• Agricultural Implements
• Agricultural Practices (Sowing)
• Agricultural Practices (Adding Manure and Fertilisers)
• Irrigation and Traditional Methods of Irrigation
• Modern Methods of Irrigation
• Weeds and Protection against them, Harvesting
• Storage and Introduction to Animal Husbandry
• #### Microbes

• Bacteria - Introduction
• Fungus -Introduction
• Protozoa - Introduction
• Algae - Introduction
• Microbial Habitat
• Micro-organisms and Us
• Harmful Microbes for Humans
• Harmful Microbes in Animals and Plants
• Food Poisoning and Food Preservation (Chemical methods)
• Food Preservation (Physical methods)
• Nitrogen Fixation and Nitrogen Cycle
• Bacteria - Introduction
• Fungus -Introduction
• Protozoa - Introduction
• Algae - Introduction
• Microbial Habitat
• Micro-organisms and Us
• Harmful Microbes for Humans
• Harmful Microbes in Animals and Plants
• Food Poisoning and Food Preservation (Chemical methods)
• Food Preservation (Physical methods)
• Nitrogen Fixation and Nitrogen Cycle
• #### Synthetic Fibres and Plastics

• Synthetic Fibres - Introduction
• Types of Synthetic Fibres - Rayon
• Types of Synthetic Fibres - Nylon
• Types of Synthetic Fibres - Polyester and Acrylic
• Characteristics of Synthetic Fibres
• Plastics
• Properties of Plastics - Part 1
• Properties of Plastics - Part 2
• Properties of Plastics - Part 3
• Effects of Plastic on the Environment
• #### Metals and Non-Metals

• Metals and Nonmetals - Physical Properties Part 1
• Metals and Nonmetals - Physical Properties Part 2
• Metals and Nonmetals - Chemical Properties Part 1
• Metals and Nonmetals - Chemical Properties Part 2
• Metals and Nonmetals - Chemical Properties Part 3
• Metals and Nonmetals - Chemical Properties Part 4
• Metals and Nonmetals - Chemical Properties Part 5
• Uses of Metals and Nonmetals
• #### Coal and Petroleum

• Types of Resources
• Types of Coal and Products
• Formation of Petroleum
• Refining Petroleum and Natural Gas
• #### Combustion and Flames

• What is Combustion?
• Fire Control
• Types of Combustion
• Flames and their Structure
• Concept of Fuel and Fuel Efficiency
• Effects of Burning Fuel
• #### Conservation of Plants and Animals

• Conservation of Plants and Animals - Introduction
• Biosphere, Biodiversity and Protected Areas - Introduction
• National Park, Wildlife Sanctuary and Biosphere Reserves
• Biosphere Reserves
• Recycling of paper and Reforestation
• #### The Cell

• The Cell- Introduction
• Discovery of the Cell
• Structure and Components of a Cell - Introduction
• Structure and Components of a Cell – Detailed Study
• Plant Cell v/s Animal Cell
• Prokaryotic and Eukaryotic Cells - Introduction
• Movement across the Plasma Membrane- Diffusion and Osmosis
• Osmosis and Diffusion in Cell
• Cell Organelles - Nucleus
• Cell Organelles - Endoplasmic Reticulum
• Cell Organelles - Golgi Apparatus
• The Cell Organelle- Lysosomes and Mitochondria
• The Cell Organelle- Plastids and Vacuoles
• #### Reproduction in animals

• Introduction to Reproduction
• Asexual Reproduction
• Male Reproductive System
• Female Reproductive System
• Fertilization Process
• Development of Embryo
• Metamorphosis

• Introduction to Adolescence and Puberty
• Changes during Puberty Part 1
• Changes during Puberty Part 2
• Secondary Sexual Characters
• Role of Hormones in Reproductive Function
• Hormones other than Sex Hormones
• Hormones in Animals
• Reproductive Phase
• Sex Determination
• Reproductive Health and Good Habits
• #### Force and Pressure

• What is a Force?
• Contact Forces Part 1
• Contact Forces Part 2
• Non-Contact Forces Part 1
• Non-Contact Forces Part 2
• Magnitude and Direction of Force
• Forces acting in Same and Opposite Directions
• Force Results in Change in State of Motion and or Direction
• Force may Change the Shape of an Object
• What is Pressure?
• Pressure Exerted by Liquids
• Atmospheric Pressure
• #### Friction

• What is Friction?
• Factors affecting Friction
• Friction – A necessary evil
• Increasing or Reducing Friction
• Wheels reduce friction (Rolling Friction)
• Static Friction
• Fluid Friction
• #### Sound

• Introduction to Sound
• Vibrating Bodies produce Sound
• Medium of Propagation of Sound
• Noise and Noise Pollution
• Amplitude, Frequency and Time Period of Vibration
• How humans Produce and Hear Sound
• #### Chemical Effects of Electric Current

• Introduction to Electric Current and Conductors
• Liquids Conducting Electric Current
• Chemical Effects of Currents on Liquids
• Electroplating
• #### Some Natural Phenomena

• Lightning - Introduction
• Types of Charges
• Transfer of Charges
• Safety Measures during Lightning
• Earthquake - Introduction
• Safety Measures during Earthquakes
• #### Light - Reflection and Refraction

• Introduction to Light
• Laws of Reflection of Light
• Laws of Reflection of Light (Experiment)
• Regular and Diffused Reflection
• Regular and Diffused Reflection (Applications)
• Multiple Reflections - Part 1
• Multiple Reflections - Part 2
• Human Eye - Structure
• Blind Spot of the Eye
• Braille System
• Braille System
• Taking Care of Eyes
• #### Solar System

• The Moon
• The Stars
• Constellations
• The Solar System
• Types of Planets
• Other Members of the Solar System
• #### Pollution of Air and Water

• Introduction to Pollution
• Effects of Air Pollution
• Greenhouse Effect
• Introduction to Water Pollution
• Potable Water and Ways to Prevent Water Pollution
• Crop production and management
• Microbes
• Synthetic fibres and plastics
• Force and Pressure
• Friction
• Sound
• Chemical Effects of Electric Current
• Some Natural Phenomena
• Light reflection and refraction
• Solar System
• Pollution of Air and Water
• Real Numbers
• Linear Equation in one variable
• Practical Geometry
• Squares and Square roots
• Cubes and cube roots
• Comparing Quantities
• Algebraic Expression and Identities
• Visualising Solid shapes
• Mensuration
• Exponents and powers
• Direct and Inverse Proportions
• Factorisations
• Introduction to graphs

## Reviews

4.60
Based on 5 reviews
5 stars
4 stars
3 stars
2 stars
1 stars

MD Mushaiid Ali – Jul 09, 2020:

Exactly what I needed at this time. Thanks

Praveen Kumar – Jul 07, 2020:

Brilliantly made course. As a parent this really helps during lockdown. We are only halfway there yet . Thank You

Shahbaz Kamal – Jul 06, 2020:

Really like the course. Teaching is very good just one request please add more quiz in the course

Heemanshu Arora – Jul 04, 2020:

Very nice course.

Arsalan Nafees – Jul 02, 2020:

Superb Course at affordable rate. Thankyou