List of lessons for Class 4
ARITHMETIC > NUMBER PATTERN
Magical Multiplication Pattern of 11
Know different multiplication pattern of 11 with 1 and 2 and so on. Know the concept with simple and easy examples.
Table of contents
- Multiplication of 11 with 1s
- Multiplication of 11 with 2s
Rupinder Kaur
Jul 02, 2026
Numbers
ARITHMETIC > NUMBER PATTERN
Magical Multiplication Pattern of 3367
Know different multiplication pattern of 3367 with 33, 66, 99, 132 and so on. Know the concept with simple and easy examples.
Table of contents
- Multiplication pattern of 3367
Rupinder Kaur
Jul 02, 2026
Numbers
ARITHMETIC > NUMBER PATTERN
Magical Multiplication Pattern of 9
Know different multiplication pattern of 9 with 6 and 9 with 111, 222 and so on. Know the concept with simple and easy examples.
Table of contents
- Multiplication of 9 with 6s
- Multiplication of 9 with 111, 222, ...
Rupinder Kaur
Jul 02, 2026
Numbers
KNOWLEDGE > GENERAL MATH
Time Reading From Clock With The Hour, Minute And Second Hands
How to read hours, minutes and seconds? Learn the time formats of a.m. and p.m. to tell the time. Practice identifying the time from hands of a clock.
Table of contents
- Introduction
- Types
- Parts of analogue clock
- Read time on clock
- Time formats
- Hours in a day
Desh Bandhu
Jul 14, 2026
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
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
STATISTICS & PROBABILITY > DATA HANDLING
Data Handling, Presentation and Interpretation
Learn basics of data handling. How to present & interpret data on charts. Learn the steps to draw pictographs, bar graphs, pie charts and line graphs.
Table of contents
- Presentation of data
- Pictograph
- Bar graph (Column graph)
- Double bar graph
- Histogram
- Pie Graph or Pie Chart
- Line graph
Rupinder Kaur
Aug 18, 2026
STATISTICS & PROBABILITY > DATA HANDLING
Learn Collection, Organization And Frequency Distribution Of Data
What is data in statistics? Learn the primary and secondary types of data. How is raw data organized? Know the use of tally marks in frequency distribution
Table of contents
- Understand information and data
- Data in statistics
- Collection of data
- Organization of data
- Frequency in statistics
- Tally marks
- Types of frequency distribution
Rupinder Kaur
Aug 18, 2026
ARITHMETIC > NUMBER SYSTEM
Prime And Composite Numbers With Sieve Of Eratosthenes
How prime and composite numbers can be represented with diagrams? Check if a number is prime or not using Sieve of Eratosthenes.
Table of contents
- Prime number
- Composite number
- How to find prime numbers?
- Coprimes
- Twin prime
- Prime triplets
Rupinder Kaur
Aug 18, 2026
Numbers
ARITHMETIC > NUMBER SYSTEM
Compare And Order Fractions With Same And Different Denominators
What are the methods to compare fractions with same & different denominators? Learn how to write fractions in ascending and descending order with examples.
Table of contents
- Comparing like fractions
- Comparing unlike fractions
- Comparing unit fractions
- Cross multiplication method
- Ordering of fractions
Rupinder Kaur
Aug 18, 2026
Fractions
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
ARITHMETIC > NUMBER SYSTEM
Least Common Multiple Properties And Methods To Calculate
How to calculate LCM of numbers with the listing multiple, prime factorization & division methods? Learn important properties of the lowest common multiple
Table of contents
- Definition
-
Key terms of LCM
- Multiples of a number
- Common multiples of numbers
-
Methods to find LCM
- Listing multiple method
- Prime factorization method
- Division method
-
Properties of LCM
- Property of co-primes
- Multiple of Number and LCM
- Property of primes
- LCM always greater
- Relation of LCM and HCF
Rupinder Kaur
Aug 18, 2026
Factorization
ARITHMETIC > NUMBER SYSTEM
Highest Common Factor Properties And Methods To Calculate
How to calculate HCF or GCD using common factors? Learn Euclidean algorithm with continued division method. Familiar to properties of HCF & perfect number.
Table of contents
- Definition
- Key terms of HCF
- Methods to find HCF
- properties of HCF
- What is the perfect number?
Rupinder Kaur
Aug 18, 2026
Factorization
ARITHMETIC > NUMBER SYSTEM
Roman And Hindu Arabic Numeral Systems With Rules & Notations
What are numbers and numeral systems? Learn how to write and convert Roman into Hindu Arabic Number System? Download and practice with worksheets
Table of contents
- What is a unit?
- Number
- Numeral
- Numeral Systems
- Convert Romans into Hindu Arabic
- Important rules for roman numbers
- List of Hindu arabic numerals
- List of Roman numerals
Rupinder Kaur
Aug 18, 2026
Numbers
ARITHMETIC > NUMBER SYSTEM
Fractions Types, Representation With Diagrams And Conversions
Understand fractions in an easy way using diagrams. Know the like, unit, improper and mixed fractions with conversions. Practice using free worksheets.
Table of contents
- Definition
- How to read fractions?
- Understand fractions using diagram
- Types
- What is an equivalent fraction?
- Convert improper to mixed fraction
- Convert mixed to improper fraction
- Real life example
Rupinder Kaur
Aug 18, 2026
Fractions
ARITHMETIC > NUMBER SYSTEM
Fraction's Addition, Subtraction, Multiplication And Division
Learn how to add, subtract, multiply, and divide fractions of same and different denominators with examples. Practice questions by solving free worksheets.
Table of contents
-
Addition of fractions
- With same denominators (Like fractions)
- With different denominators (Unlike fractions)
-
Subtraction of fractions
- With same denominators
- With different denominators
-
Multiplication of fractions
- With whole number
- A fraction by fraction
- Division of fractions
Rupinder Kaur
Aug 18, 2026
Fractions
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