Divisibility Rules

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Divisibility :

Divisibility Rules

What is Divisibility? :

What is Divisibility? Divisibility means that after dividing, there will be NO remainder.

356,821 :

356,821 Can you tell by just looking at this number if it is divisible by 2? by 5? by 10? by 3 ? by 9? By 6? The divisibility rules can help YOU !!!

Divisibility Rules help you learn shortcuts to tell when a number can be divided by another number with NO remainder. :

Divisibility Rules help you learn shortcuts to tell when a number can be divided by another number with NO remainder.

Divisibility by 2 :

Divisibility by 2 A number is divisible by 2 if the number is even. 18 ÷ 2 = 9 22 ÷ 2 = 11 (Notice that both of these numbers are even.) 21 ÷ 2 = 10 R1 (Not an even number.)

Are these numbers divisible by 2? :

Are these numbers divisible by 2? 127 (Not an even number) 937 (Not an even number) 4678

Divisibility by 5 :

Divisibility by 5 A number is divisible by 5 if it ends in 0 or 5. 25 ÷ 5 = 5 23 ÷ 5 = 4 R3

Divisibility by :

Divisibility by A number is divisible by 10 if it ends in 0. 30 ÷ 10 = 3 340 ÷ 10 = 34 67 ÷ 10 = 6 R7 784 ÷ 10 =78 R4

Divisibility By: :

Divisibility By:

Divisibility by 3 :

Divisibility by 3 A number is divisible by 3 if the sum of the digits is divisible by 3. Is the number 135 divisible by 3? Add the digits: 1 + 3 + 5 = 9 Yes, 135 is divisible by 3 because the sum of the digits is divisible by 3.

Divisibility by :

Divisibility by A number is divisible by 9 if the sum of its digits is divisible by 9. 369 is divisible by 9 because 3 + 6 + 9 =18 1 + 8 = 9 AND 9 is divisible by 9.