Divisibility Rules (2, 3, 4, 5, 6, 9 and 10)

A number is divisible by 2 if:

• It is an odd number

• It is an even number

• The sum of digits is divisible by 2

• It ends with 0 or 5

A number is divisible by 3 if:

• It ends with 3

• It ends with an odd number

• The sum of digits is divisible by 3

• It ends with 0

A number is divisible by 4 if:

• The last digit is 4

• It ends with 0 or 5

• The sum of digits is divisible by 9

• If the number formed by the last two digits is divisible by 4

If a number ends with 0 or 5, then this number is divisible by:

• 2

• 5

• 10

• all the choices

If a number is divisible by 2 and 3 at the same time, then this number is divisible by:

• 2

• 3

• 5

• 6

If the sum of the digits of a number is divisible by 9, then the number is divisible by:

• 9

• 5

• 4

• 2

A number that ends with 0 is divisible by 10

• True

• False

The number that is divisible by 3 is:

• 1,029

• 10,001

• 721

• 901

The number that is divisible by 4:

• 7,044

• 121

• 3,102

• 4,4415

The number that is divisible by 3 and 5 is:

• 1,000

• 9,123

• 4,500

• 5020