Divisibility rules

Divisibility Rules

The rules for 10

​Any number that ends in a 0 is divisible by 10

 

Multiple Select

Select all the numbers divisible by 10

• 855

• 520

• 3

• 15 240

• 46 220

Divisibility Rules of 3

The sum of the digits are divisible by 3

Is the number 177 divisable by 3 ?

1+ 7 + 7 = 15

is 15 divisible by 3?

yes therefore 177 is divisible by 3

Multiple Choice

Which number is not divisible by 3

• 97

• 33

• 81

• 1 422

Divisibility rule for 4

​if the last 2 digits are divisible by 4

in the number 428 the last didgits are 28

is 28 divisible by 4?

yes!

Therefore 428 is divisible by 4.

Multiple Select

Select all the numbers divisible by 4

• 45 369

• 4 512

• 5 624

• 58 321

• 471

Divisibilty rule for 6

​The number must be divisible by 2 and 3

Look at the number 576 to know if the number is divisible by 6 we need to see if it divisible by both 2 and 3.
576 is divisible by 2 because it is even.
5 + 7 + 6 = 18 and 18 is divisible by 3

Multiple Choice

Select the correct answer

Which of the following are divisible by 6

• 634

• 155

• 138

Divisibility rule for 12

​A number is divisible by 12 if the numbers 3 and 4 can go into it

in the number 156 we know that 4 can go into it because the last two digits 56 are divisible by 4.

The numbers 1 + 5 + 6 = 12 therefore the number is divisible by 3.
because 3 and 4 can go into 156 the number is divisible by 12.

Multiple Choice

Select the number that is divisible by 12

• 364

• 543

• 432

• 845