List of lessons for Class 8
THINGS TO REMEMBER > FORMULAS
Download And Print List Of Number Of Vertices And Edges Of 3D Shapes
Download and print PDF sheets of list of number of vertices, faces and edges of 3-dimensional shapes using Euler's formula. A handy list for exams.
Table of contents
- Vertices, edges and faces of 3D shapes
- Euler's formula
Rupinder Kaur
Jul 02, 2026
THINGS TO REMEMBER > FORMULAS
Download And Print Formulas Of Profit Loss And Discount
Download and print PDF sheets of lists of different prices and discounts formulas. A helpful summary of formulas of profit loss and a handy list for exams.
Table of contents
- Important profit and loss formulas
Desh Bandhu
Jul 07, 2026
ARITHMETIC > PERCENTAGES
Profit, Loss And Discount Percentage With Real Life Example
Learn definitions and how to calculate profit and loss. Understand discount percentages & more about prices with examples and free worksheets to download.
Table of contents
- Cost price
- Selling price
- Overhead charges
- Effective cost price
- Marked price
- Calculate profit
- Calculate loss
- Calculate profit percentage
- Calculate loss percentage
- Calculate discount
- Calculate discount percentage
- Real life examples
Desh Bandhu
Jul 11, 2026
ARITHMETIC > NUMBER SYSTEM
Rational Numbers With Types, Standard Form & Plotting On Number Line
Learn the definition, types, equivalent, and comparisons of rational numbers. What are the standard form & steps to represent it on the number line?
Table of contents
- Definition
- Types
- Standard form
- Equivalent rational number
- Comparison of rational numbers
- Plotting on number line
Rupinder Kaur
Jul 13, 2026
Numbers
GEOMETRY > FUNDAMENTALS OF GEOMETRY
Area And Perimeter Of Different Types Of Triangle
Learn formulas and practice how to calculate area and perimeter of isosceles and equilateral triangles with solved examples and free worksheets.
Table of contents
-
Perimeter
- Triangle
- Equilateral triangle
- Isosceles triangle
-
Area
- Area of triangle
- Area of equilateral triangle
- Area of isosceles triangle
Rupinder Kaur
Jul 18, 2026
2D Shapes Area Perimeter
GEOMETRY > GEOMETRY THEOREMS
Pythagoras Theorem's Statement, History And Real Life Applications
What is the statement of Pythagoras theorem? How is it used to solve the shortest distance & ladder length problems? Know about its history & applications.
Table of contents
- History
- Statement
- Real life applications
- Ladder length problem
- The shortest distance problem
Desh Bandhu
Aug 18, 2026
2D Shapes
ARITHMETIC > NUMBER SYSTEM
Divisibility Rules Of Numbers 2, 3, 4, 5, 6, 7, 8, 9, 10, And 11
What is the test of divisibility to check if a number is divisible by other numbers from 2 to 11. Learn each rule with solved examples and free worksheets.
Table of contents
- What are divisibility rules?
- Divisibility by 2
- Divisibility by 3
- Divisibility by 4
- Divisibility by 5
- Divisibility by 6
- Divisibility by 7
- Divisibility by 8
- Divisibility by 9
- Divisibility by 10
- Divisibility by 11
Rupinder Kaur
Aug 18, 2026
Numbers
ALGEBRA > EXPONENTS
Laws of Exponents And The Rule To Write The Standard Index Form
What are the common rules of exponents? Learn & practice how to convert short & long numbers to the scientific notations using examples & free worksheets.
Table of contents
- Exponents
-
Laws of exponents
- When same bases are multiplied
- When same bases are divided
- When exponent is 0
- Power of a power
- Product of bases with same exponents
- Division of bases with same exponents
- What is the standard index form?
-
How to write standard index form?
- If number less than 1
- If number lies from 1 to 10
- If number greater than 10
Rupinder Kaur
Aug 18, 2026
ARITHMETIC > INTEREST
Simple And Compound Interest With Real Life Examples
What are the differences between simple and compound interest? Learn how to calculate the amount and rate of interest on the principal with examples.
Table of contents
- Real life examples of interest
- Principal
- Interest
- Amount
- Simple interest
- Compound interest
- Compound and simple interest difference
Rupinder Kaur
Aug 18, 2026
ALGEBRA > ALGEBRAIC EXPRESSIONS
Coefficients And Terms of Algebraic Expressions With Basic Operations
What are constants, variables, and coefficients in an algebraic expression? How to simplify an algebraic expression with like and unlike terms?
Table of contents
- Variables in expressions
- Constant in expressions
- What are algebraic expressions?
- Parts of an algebraic expression
- Which are four operations on algebraic expression?
Rupinder Kaur
Aug 18, 2026
GEOMETRY > FUNDAMENTALS OF GEOMETRY
Area And Perimeter Of Parallelogram, Rectangle, Rhombus And Trapezium
Learn formulas and calculations of area and perimeter of quadrilaterals like parallelogram, rectangle, square, rhombus and trapezium.
Table of contents
- Perimeter of quadrilateral
- Area of quadrilateral
- Perimeter of parallelogram
- Area of parallelogram
- Perimeter of rectangle
- Area of rectangle
- Perimeter of square
- Area of square
- Perimeter of rhombus
- Area of rhombus
- Area and perimeter of rhombus with diagonals
- Perimeter of trapezium
- Area of trapezium
Rupinder Kaur
Aug 18, 2026
2D Shapes Area Perimeter
GEOMETRY > FUNDAMENTALS OF GEOMETRY
Quadrilateral's Sides, Diagonals And Its Types
Learn the definitions of different types of quadrilateral like a parallelogram, rectangle, rhombus, & more. What are their diagonals and adjacent sides?
Table of contents
-
Quadrilateral
- Adjacent sides
- Opposite sides
- Diagonals
-
Types of quadrilateral
- Parallelogram
- Rectangle
- Square
- Rhombus
- Trapezium
- Shape of isosceles Trapezium
- Shape of kite
Rupinder Kaur
Aug 18, 2026
2D Shapes
GEOMETRY > FUNDAMENTALS OF GEOMETRY
Polygon's Types And Classification Based On Sides
Start learning with vertices, angles & sides of polygon. Know the types like convex, concave, pentagon, hexagon etc. Practice problems to find the angles.
Table of contents
- Curve
-
Polygon
- Adjacent sides
- Adjacent vertices
- Diagonals
-
Types of polygon
- Convex polygon
- Concave polygon
- Regular polygon
- Irregular polygon
- Simple polygon
- Types based on number of sides
Rupinder Kaur
Aug 18, 2026
2D Shapes
THINGS TO REMEMBER > FORMULAS
Download And Print List Of Algebraic Identities
Download a list of important algebraic identities in Algebra. Print PDF sheets of helpful identities and ready to remember lists for exams.
Table of contents
- Important Algebraic Identities
Desh Bandhu
Aug 18, 2026
THINGS TO REMEMBER > FORMULAS
Download And Print List Of Surface Area And Volume Formulas
Download formulas of surface areas and volumes of 3-dimensional shapes of geometry. Print PDF sheets of helpful and ready to remember list for exams.
Table of contents
- Important surface area formulas
- Important total surface area formulae
- Important volume formulas
Rupinder Kaur
Aug 18, 2026
Area Perimeter
ALGEBRA > POLYNOMIALS
Plotting Of Zeros Of Linear, Quadratic And Cubic Polynomials
Understand the geometrical meaning of zeros of linear, quadratic, & cubic polynomials. Learn the definition and steps to sketch & plot zeros on the graph.
Table of contents
- What are zeros of a polynomial?
- Definition
- Geometrical meaning
- Plot the zeros of linear polynomial
- Plot the zeros of quadratic polynomial
- Plot the zeros of cubic polynomial
- Plot the zeros of biquadratic polynomial
Rupinder Kaur
Aug 18, 2026
Coordinate Geometry
ARITHMETIC > NUMBER SYSTEM
Types of Numbers Used in Math With Examples
Get the list of types of numbers in arithmetic with their definitions and simple examples to understand. Practice & solve questions using free worksheets.
Table of contents
- Natural number
- Whole number
- Integers
- Rational numbers
- Irrational numbers
- Real number
- Imaginary number
- Complex number
- More types of numbers
- Additive inverse of a number
Rupinder Kaur
Aug 18, 2026
Numbers Rounding off
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