Divisibility Rules

A number is divisible by 2 if ____.

• it is even

• it is odd

• the sum of its digits are divisible by 3.

• the number ends in 5 or 0.

Answer explanation

All even numbers are divisible by 2. In fact, that is what defines an even number.

A number is divisible by 3 if the sum of its digits is divisible by _.

• 2

• 6

• 3

• 5

A number is divisible by 4 if the last two digits are a number that is divisible by _ .

• 3

• 2

• 7

• 4

A number is divisible by 5 if it ends in ____ or ____.

Select TWO answers.

• 0

• 5

• 4

• 3

A number is divisible by 6 if it is divisible by both ____ and ____.

• 3

• 0

• 5

• 2

A number is divisible by 9 if the sum of the digits is divisible by _____

• 3

• 9

• 2

• 6

A number is divisible by 10 if it ends in _.

• 5

• 2

• 3

• 0

Select all the numbers that 42 is divisible by.

• 2

• 3

• 5

• 6

• 9

Which of the following numbers is divisible by 2?

There are multiple answers.

• 8

• 15

• 534

• 67

• 91

Is 12,651 divisible by 3?

• Yes

• No