Co – Prime Numbers What are Co-prime Numbers? The pairs of numbers that do not have any common factor other than one are co-prime numbers. Let a and b are two positive integers are called co-prime numbers, if the only one 1 as their common factor. (a, b) is said to be a co-prime pair. […]

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Prime numbers – Composite numbers  What are prime numbers? What are composite numbers? Here we will learn more about, how to classify these numbers and also answers of some common questions about prime numbers and composite numbers. Definition: Prime numbers A prime number is a natural number, greater than 1 with exactly two factors. A prime number […]

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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. […]

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 Solve One Digit Division Before beginning to learn one digit division, we shall become familiar with the different parts of division. Dividend – The number that have to be divided. Divisor – The number that the dividend, is being divide by.  Quotient – The result of the division. Remainder – The number we are left with after the division. Let’s […]

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  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 […]

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Decimal Numbers A number whose whole number part and fractional part is separated by a decimal point is known as a decimal number.                A dot (.) represents a decimal point. When the numbers are expressed in the decimal form are called decimal numbers. In a decimal number decimal point […]

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Roman Numerals 1 to 100 and 100 to 1000 An ancient system of writing numbers used by Romans, is called Roman Numerals.  The symbol of 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 in roman numerals are,               Number               Roman Numerals       […]

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