Empty set A set which does not contain any element is called an Empty set, or null set or void set. Empty set is denoted by { } or ∅ (Greek letter phi). Curly braces having no elements on it. Example: 1. The set of natural numbers less than 0, because there is no elements in the empty set. […]
Read More →Remainder Definition – Examples In this lesson we shell learn in brief about concept of remainder, in division(when division is not exact). It starts with explaining the idea of a remainder using the example of sharing apples. First we work with visual examples and writing division sentences with remainders. Then we explains how to find the […]
Read More →Find Mode by Histogram In this tutorial, we will learn, how to find mode of a given observation with the help of a histogram. First we know about mode. What is mode? Definition: The mode of a data set is the value, occurring most frequently in set of observations. In other words, a data set having highest […]
Read More →Perfect Numbers – Definition & Examples Definition: A perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number itself.For example 6 has 1, 2, and 3 divisors (excluding itself), and 1 + 2 + 3 = 6, so 6 is a perfect number. 28 has 1, […]
Read More →Diagonals of Polygon’s In geometry, a line segment joining two vertices of a polygon or polyhedron, when those vertices are not adjacent is known as Diagonal. Diagonals of Polygon’s A polygon’s diagonal’s are line segments, that joining from one corner to another corner. Formula for number of diagonals = n(n-3)/2 where n is number of sides or […]
Read More →Axis of Symmetry – Symmetrical Figures Definition – Axis of Symmetry: A line is drawn from the middle of the figure that acts like a mirror is known as Axis of Symmetry or Linear Symmetry. The line divides the figure into two symmetrical parts, then figure on one side is the mirror image of the figure on […]
Read More →Perimeter of shapes Definition: The distance that surrounds a two dimensional shape is known as “Perimeter.” Simply, we can say that ‘The Perimeter is the length of the outline of a shape. In the below figure if we start measure from the point A and move along the line segments and reach again the point A.We have […]
Read More →Pictograph – Advantage and Disadvantages Advantage of a pictograph A pictograph is simple and easy to analysis. In a pictograph objects or symbols represents numbers, is more interesting and easier to understand. Disadvantages of a pictograph Pictograph is […]
Read More →Odd numbers Definition: If any integer that can not divide exactly by 2, is an odd number. Simply, If we divide any integer by 2, and remainder is one, we get an odd number. The last digit of odd numbers is 1, 3, 5, 7, 9, 11… Example: 11, 23, 35, 47, 69, all are odd numbers. […]
Read More →Converting Fraction into Percentage Converting a fraction into a percentage involves a simple process. Here’s a detailed explanation with examples to help we understand the steps clearly: Steps to Convert a Fraction into a Percentage 1. Understand the fraction: A fraction consists of two numbers, the numerator (top number) and the denominator (bottom number). A […]
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