Name: What Is the Divisibility Rule for 9?
Uploaded: 2023-05-22T13:02:52.582Z
Channel: House of Math
Description: A number is divisible by 9 if the sum of its digits is divisible by 9. This is a very straightforward rule, demonstrated in this video using examples.

A number is divisible by 9 if the sum of its digits is divisible by 9. This is a very straightforward rule, demonstrated in this video using examples.

A number is divisible by another number if the answer does not have a remainder. Or, said another way, if the divisor is a factor of the dividend.

A symbol used to represent a number. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 are digits. For example, 19 has two digits, 1 and 9.

Long division is a method you can use to divide numbers by hand

The remainder is what you’re left with when dividing one whole number by another

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Definition

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Divisibility Rule for 9

Divisibility Rule for 10

Divisibility Rules

A number is divisible by 9 if the sum of its digits is divisible by 9. This is a very straightforward rule, demonstrated in this video using examples. 