Arithmetic

Number System

Unit, Number and Numeral. Number Systems and Their Rules

Everywhere in our daily life we come across the count of things or number of items, for example 6 pens,…

List of Types of Numbers Used in Maths with Examples

Following is the list of the most commonly used types of numbers in maths with examples: Natural Whole Integers Rational…

Digit, Face, Place Values and Comparison of Numbers

There are 10 symbols in the number system which are used to write any number in mathematics. These ten symbols…

Prime Numbers with Sieve of Eratosthenes Test

Any Natural number greater than 1, which is divisible by 1 and only by itself is called Prime Number. 2,…

Fractions, Types, Shaded Diagrams & Real Life Applications

Fractions are written in the form of ab, where a and b are integers and b can not be equal…

Methods to Compare Order Like, Unlike & Unit Fractions

What a fraction is and what the types of fractions are, have been explained in detail in the chapter Fractions,…

Add, Subtract, Multiply and Divide Fractions

The previous chapter Fractions, Types, Shaded Diagrams & Real Life Applications discussed about what a fraction is and what the…

Highest Common Factor with Properties & Methods to Find HCF

HCF or GCF (Greatest Common Factor) or GCD (Greatest Common Divisor), they all are the same terms. We use them…

Least Common Multiple with Properties & Methods to Find LCM

LCM (Least Common Multiple or Lowest Common Multiple), they all are the same terms. We use them while finding out…

Ratio, Proportion and the Unitary method

Ratio is a term used to compare two quantities. A Ratio of two numbers tells how many times one quantity…

About Rational Numbers with Number Line Representation

A rational number is a type of number which is explained in brief in the chapter What are the Types…

Divisibility Rules of Numbers 2, 3, 4, 5, 6, 7, 8, 9, 10, 11

When we come across some numbers which are longer and we are still interested for such numbers to find out…

Read, Write Decimal Numbers. Converting Decimals to Fractions

Decimal numbers are written using decimal numeral system. Decimal numeral system is also called as Base Ten Numeral Positional System,…

Rounding off Decimal Numbers to the Nearest Places

The decimal part of a decimal number as discussed in the chapter Read, Write Decimal Numbers. Converting Decimals to Fractions.…

Estimations by Rounding to the Nearest 10, 100 and 1000

Estimation is a term used in maths to change a number to the nearest whole numbers of 10, 100, 1000,…

Arithmetic Operations

Addition, Subtraction of Numbers on Number Line and Downward

Let’s understand first what a number line is. It is a straight line with marked numbers on it at equal…

Decimals Addition, Subtraction, Multiplication and Division

Decimals numbers are added in the same way to how the whole numbers are added. A decimal number has two…

Integers and Their Arithmetic Operations with Examples

Integers are collection of positive 1, 2, 3, 4, 5, 6, …. and negative -1, -2, -3, -4, -5, -6,…..…

Order of Operations BODMAS, PEMDAS, BEDMAS and BIDMAS

There are four basic arithmetic operations in arithmetic, plus (+), minus(-), multiply(×) and divide(÷). The expressions in mathematics can include…

Number Pattern

Magical Multiplication Pattern of 9

When 9 is multiplied by 6, it gives an interesting number 54 which is in a special pattern of numbers…

Magical Multiplication Pattern of 11

11 × 1 = 11 11 × 11 = 121 11 × 111 = 1221 11 × 1111 = 12221…

Magical Multiplication Pattern of 3367

When 3367 is multiplied by 33, it gives an interesting value 111,111 which is in a special pattern of numbers…

Number Patterns of Pascal's Triangle

One of the most interesting number pattern in mathematics is Pascal’s triangle. This pattern is developed by a famous french…

Percentages

Percentages, Convert it to Fractions & Decimals

Percentage is a number which is expressed as a fraction with denominator 100. Percentage is defined from the latin word,…

Profit Loss Discount Marked Price & Calculate Percentage

We do shop for our daily use products or grocery items for home use or as smallest as an attractive…

Interest

Simple, Compound and Rate of Interest with Examples

Principal, amount, simple interest, compound interest and rate of interests are the terms mostly used by banks or the money…

Arithmetic Theorems

Fundamental Theorem of Arithmetic with Applications

Every number can be expressed as product of primes and this factorisation is unique, apart from the order in which…

Algebra

Algebraic Expressions

Algebraic Expression and its Operations with Examples

As we all know, algebra is a branch of mathematics where we study variables and constants and learn operations on…

Polynomials

Polynomial, its Terms, Degree and Types

In Maths, Polynomial is a concept which is studied under the Algebra branch. These are a particular type of algebraic…

Zeros of Polynomial and its Geometrical Meaning

We have learnt earlier in the chapter Polynomial, its Terms, Degree and Types, the meaning of polynomials and its various…

Relationship of Zeros and Coefficients of Polynomials

The detailed discussion about zeros of polynomials and how to represent a polynomial on a graph can be found in…

Equations

Linear Equation with Examples and Methods to Solve

Before we take a deep dive into linear equations, let us shed some light on the general term equations used…

Quadratic Equation. Find Roots and Methods to Solve

“Quadratic” word in quadratic equation comes from quadratic polynomial, which is a polynomial with the highest degree of 2. The…

Exponents

Basics of Exponent, Laws of Exponents & Standard Index Form

A longer number which can be written its same factors e.g. if x is multiplied n times by itself, it…

Geometry

Fundamentals of Geometry

Point, Line, Ray, Line Segment and Plane

A point and a line are considered as one of the most fundamental building blocks of geometry. A line segment,…

Angle, its Measures and Types of Angle

In the chapter Point, Line, Ray, Line Segment and Plane we learnt about the basic geometrical concepts of rays. The…

Formation of Angles by Intersecting Lines

We have learnt the basics of angles, their measures and various types of angles in the chapter Angle, its Measures…

Triangle and the Types of Triangle

We have already discussed about polygons in the Curve, Polygon and Types of Polygon chapter. There we learnt that a…

Area and Perimeter of Different Types of Triangle

Perimeter is the length of the boundary around any closed figure. The boundary of a triangle consists of its three…

Curve, Polygon and Types of Polygon

Polygon term originates from the two Greek words “Poly” and “Gon”, where “Poly” stands for “many” and “Gon” stands for…

Quadrilateral and Types of Quadrilateral

Quadrilateral is one of the type of polygons, which we already studied in the chapter Curve, Polygon and Types of…

Perimeter and Area of Quadrilaterals

We have learnt what a quadrilateral is and different types of a quadrilateral in the chapter Quadrilateral and Types of…

Circle and Semi Circle. Diameter, Chord, Arc, Tangent

Circle is defined as the path of a moving point that remains at a fixed distance from a fixed point.…

Circumference and Area of Arc, Sector, Segment, Circle

Circumference is the length of the boundary of the circle. Its units are same as that of length i.e meter,…

Cartesian Coordinate System and Quadrants

Cartesian Coordinate System is used to describe the position of a point in a plane using coordinates in coordinate geometry.…

Geometry Theorems

Pythagoras Theorem Real Life Applications and History

Pythagoras theorem is also known by another name as Pythagorean Theorem is the famous theorem in geometry. This theorem is…

Statistics

Data Handling

Data Collection and Organization

Around us, we come across different types of information that help to take some decision or to reach some type…

Data Handling, Presentation and Interpretation

What is data, information and how the data is collected and organized to get a good piece of information are…

Things to Remember

Symbols

Useful List of Upper and Lower Case Greek Symbols

Name Lower Case Upper Case Alpha α Α Beta β Β Chi χ Χ Delta δ Δ Epsilon ε Ε…

Useful List of Arithmetic Symbols

Name Symbol Example Read as Plus + 8 + 4 8 plus 4 Minus – 8 – 4 8 minus…

Useful List of Symbols Used in Geometry

Name Symbol Example Angle ∠ ∠ 45° Congruent to ≅ Δ ABC ≅ Δ PQR Degree ° 45° Parallel ||…

Useful List of General Symbols Used in Maths

Name Symbol Example Because ∵ ∵ a + b = c For all ∀ ∀ a Implies to ⇒ ⇒…

Formulas

Profit, Loss, Discount and Different Prices Formulas

Profit = SP – CP Loss = CP – SP Profit% = ProfitCP × 100 Loss% = LossCP × 100…

List of Algebraic Identities in Algebra

(a + b)2 = a2 + 2ab + b2 (a – b)2 = a2 – 2ab + b2 a2 –…

List of Area and Perimeter Formulas of 2D Shapes

2D shape Area Rectangle l × b Square a × a = a2 Parallelogram b × h Rhombus b ×…

Summary Table of Vertices, Edges, Faces of 3D Shapes

Shape No. of vertices No. of edges No. of faces Cube 8 12 6 Cuboid 8 12 6 Cylinder 0…

List of Surface Area and Volume Formulas of 3D Shapes

3D shape Surface area Cylinder 2πrh Cone πrl Sphere 4πr2 Hemisphere 2πr2 3D shape Total surface area Cuboid 2(lb +…

Knowledge

History

List of Famous Mathematicians and Their Contributions

Al Khawarizmi was a Persian mathematician who worked in the fields of mathematics, astronomy and geography. He has been named…

Important Days in Mathematics Celebrated in the World

E-Day (Eulers Number) Fibonacci Day International Sudoku Day National Mathematics Day (India) National Numeracy Day (UK) Number Day (UK) Palindrome…

General Math

Units Measurements Conversions of Mass Length Time

This article Units, Measurements and Conversions primarily introduces to the units that whole world is using in measuring quantities, for…

Clock Dial, Hands and Basics of Reading Time on Clock

A Clock is a device that tells us time of the day and night. Time on the clock is read…

Convert Hours, Minutes and Seconds. Learn Operations on Time

Hours, minutes and seconds are the units to measure time. An hour is the largest unit to measure time from…