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Divisibility rules of whole numbers are very useful because they help us to quickly determine if a given number can be divided by 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 13 without doing long division.
Learn how to check whether a number is divisible by another number using divisibility tests or rules. Find the definition, examples and steps for each rule from 1 to 13 with detailed explanations.
Learn what division is, how to perform it, and its properties and rules. Find out how to use long division, quotient, remainder, and special names for numbers in division.
Division is one of the four basic operations of arithmetic. The other operations are addition, subtraction, and multiplication. What is being divided is called the dividend, which is divided by the divisor, and the result is called the quotient.
Some Quick Rules about Division: When you divide 0 by another number the answer is always 0. For example: 0 ÷ 2 = 0. That is 0 sweets shared equally among 2 children - each child gets 0 sweets. When you divide a number by 0 you are not dividing at all (this is quite a problem in mathematics). 2 ÷ 0 is not possible.
Learn how to divide numbers into equal parts or groups, and use symbols ÷ or / to show division. Find out how to use multiplication facts, names of division parts, and remainders in division problems.
A divisibility rule is a heuristic for determining whether a positive integer can be evenly divided by another (i.e. there is no remainder left over). For example, determining if a number is even is as simple as checking to see if its last digit is 2, 4, 6, 8 or 0.
