Maths Key Concepts

Chapter 1 Number System

       - Roman Numbers

       - Divisibility rules for 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11

       - BODMAS Rule Tricks

       - BODMAS rule to simplify fractions

       - Indian and International Number System

       - Ascending and Descending Order

       - Unitary Method for Competitive exams

       - Comparing Numbers - Comparison of Numbers

       - Formation of greatest and smallest number

Chapter 2 Addition

       - Addition of 5 Digit Numbers with Carrying

       - How To Add and Subtract Time in Hours and Minutes

Chapter 3 Subtraction

       - Subtraction of 1 digit numbers

       - Subtraction of 7 digit Numbers with borrowing

Chapter 4 Multiplication

       - Multiplication of 2 digit numbers by 2 digit numbers

       - Multiplication of 4 digit number by a 4 digit number

Chapter 5 Division

       - Short Division Method

       - Division by 10 100 and 1000

       - Division of 2 Digit Number by 1 Digit Number

       - Division of 3 Digit numbers by 1 Digit Number

       - Division of 4 Digit Numbers by 1 Digit Number

       - Division of 4 Digit numbers by 2 Digit Numbers

Chapter 6 Multiples and Factors

       - LCM of two numbers

       - LCM of three numbers

       - Common Factors and Common Multiples

       - HCF of 2 numbers

       - HCF of 3 numbers

       - LCM and HCF

       - LCM and HCF by prime factorization method

Chapter 7 Fractions

       - Types of Fractions

       - Equivalent Fractions

       - Comparing Like and Unlike fractions

       - Converting MIXED FRACTION into IMPROPER FRACTION

       - Converting IMPROPER FRACTION into MIXED FRACTION

       - Multiplication and Division of Fractions

Chapter 8 Perimeter and Area of plane figures

       - Area of Parallelogram

       - Area of Trapezium

       - Area of Rhombus

       - Area and Circumference of a Circle

Chapter 9 Surface Area and Volume of solids

       - Surface Area of Cuboid

       - Surface Area of Cylinder

       - Volume of Cube Cuboid Cylinder

Chapter 10 Types of Triangles

Chapter 11 Complementary and Supplementary angles

Chapter 12 Construction of Angles

       - Construction of angle of 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165 and 180 degree

       - Construction of 30 degree angle

       - Construction of 45 degree angle

       - Construction of 60 degree angle

       - Construction of 90 degree angle

       - Construction of 120 degree angle

Chapter 13 Metric Measurement - Conversion of Units

       - MINUTES to SECONDS and SECONDS to MINUTES

       - hours to seconds

       - minutes to seconds and seconds to minutes

       - seconds to hours

       - cm to mm - mm to cm

       - rupees to paise

       - km per hour to meter per second - km/hr to m/s

       - meter per second to km per hour - m/s to km/hr

Chapter 14 Properties of Whole Numbers

Chapter 15 Integers

       - Properties of Integers

       - Multiplication and Division of Integers

       - Division of Integers

Chapter 16 Decimals

       - Like and Unlike Decimals -Conversion

       - Comparing Decimal numbers

       - Addition and Subtraction of Decimal Number

       - Multiplication and Division of Decimal Numbers

       - Division of Decimal Numbers by 10 100 and 1000

       - Multiplication of Decimal Numbers by 10 100 and 1000

Chapter 17 Profit and Loss - Basics and Methods

Chapter 18 Data Handling

       - Bar Graph- Example and Explanation

       - Pictograph -example and explanation

       - Pie chart -example and explanation

Chapter 19 Scientific Notation

Chapter 20 Significant Figures