How do you Multiply and Divide Rational Numbers?Multiplication of Rational Numbers(a) Let \(\frac { a }{ b }\) and c are two rational numbers, then \(\frac { a }{ b } \times c=\frac { ac }{ b }\) (b) When we multiply two rational numbers : On multiply…

How do you Calculate Percentages?https://www.youtube.com/watch?v=sYNF8MBKJpIPercentageWhen we take 100 as the denominator of fractions, the numerators are called percentages. For convenience, the symbol % is used for percent. When we take 100 as the den…

What Is Irrational NumberA number is irrational if and only if its decimal representation is non-terminating and non-repeating. e.g.√2, √3, π ……………. etc. Rational number and irrational number taken together form the set of real numbers.If a and b are t…

What is a Decimal Value and Place Value of DecimalsDecimal Fractions Introduction Riya, Nutan, and Roshan are studying in the same class. In the mathematics examination, marks obtained by Riya and Nutan are 72 and 78 respectively, but the marks obtained …

Formation and Comparision of NumbersFormation of NumbersGreatest numbers To make the greatest number, arrange the given digits in descending order. Example: The greatest number using the digits 4, 5, 7, 0, 3 only once is 75,430.Smallest numbers To make t…

What are the Operations on FractionsNow, we have to learn, how to add and subtract the fractions. Certain methods are to be followed for doing these operations.Addition and subtraction of like fractionsFor adding and subtracting like fractions, we follow…

Fundamental Operations on IntegersWe have four fundamental operations on integers. They are addition, subtraction, multiplication, and division. 1. Addition of integersA monkey is sitting at the bottom in an empty water tank 8 ft high. The monkey wants…

What is the Difference between Ascending and Descending OrderAscending order:When numbers are written from the smallest number to the largest number, then the numbers are in ascending order.Example: Four numbers 42,130; 5,781; 4,25,806 and 35,601 if writ…