Exponents and Power Rules In this chapter we will learn about exponent and power. These are very large numbers, and difficult to read, and compare. To make these numbers easy to read, compare and understand we use exponents. Exponents  Definition: When a number repeatedly multiply by itself, we raise it to a power. This is known as […]

Read More →

       Problems – Solutions – Profit and Loss – Formulas Important Facts The cost price is the price at which a product orservice is purchased by seller. The selling price is the price at which a product or service is sold to the buyer. When the selling price (SP) is greater than cost price(CP) […]

Read More →

Whole numbers – Definition – Symbol and Examples What are Whole Numbers In our number system, various kinds of numbers such as; natural numbers, odd and even numbers, whole numbers, real numbers etc. In 628 A.D., first time the Indian mathematician and astronomer, Brahmagupta invented the number zero. Zero is used as a placeholder, it […]

Read More →

Plot Points on Cartesian Coordinate System Example: Plot the point (2, 3) and identify its position in which quadrant is located. First we will place a dot at the intersection of X and Y axis, which is the center of the Cartesian coordinate and known as the origin. From the origin, move 2 units going right. Our point is […]

Read More →

    Cartesian Coordinate System  Cartesian Coordinate system developed in seventeenth century by Rene Descartes the great French philosopher and mathematician. Cartesian Coordinate system, also called rectangular Coordinate system and used to position of points on a two dimensional or three dimensional plane.  Let’s briefly learn about Cartesian Coordinate system.           Cartesian Coordinate plane The plane is called Cartesian plane […]

Read More →

  Four Quadrants on a Graph  We know that the two axes X and Y divided the plane into four sections. These four sections are called the Quadrants (one fourth section). The plane is called Cartesian plane or Coordinate plane or the XY plane.  The plural of axis is axes. The quadrants are labelled with Roman numbers […]

Read More →

Worksheets – Set Theory   8 Different Types of Questions on Sets with Answers. Question (1) Which of the following are sets. (i) The collection of all good books in a library. (ii) The collection of all even numbers less than 10. (iii) The collection of all dishonest people in a village. (iv) The collection of all students in […]

Read More →

 What are Rational Numbers ? Rational numbers are a fundamental concept in mathematics. Here is a detailed explanation of rational numbers: The word comes from “Ratio”, means comparison of two or more numbers. The natural numbers, whole numbers and integers all are the set of a rational number means any number that can be rewritten […]

Read More →