Divisibility Rule for 3, 6 and 9

What is the divisibility rule for 6?

• The last digit is a 0 (zero).

• The sum of its digits is a multiple of 3.

• The last digit is a 0 or 5.

• It is divisible by BOTH 2 and 3.

Which of these numbers is divisible by 3?

• 346

• 581

• 248

• 663

Tags

CCSS.4.OA.B.4

What is the divisibility rule for 3?

• The sum of the digits must be even and divisible by 3

• The digits must add up to 9

• The last digit must be a 3

• The sum of the digits must be divisible by 3

All of these numbers are divisible by 3 except...

• 714

• 360

• 103

• 537

Tags

CCSS.4.OA.B.4

Which of the following is divisible by 9?

• 108

• 100

• 124

Tell whether a number is divisible by 9.

• 28

• 90

• 123

• 64

Is 718 divisible by 6?

• Yes

• No

What is the divisibility rule for 9?

• The last digit is a 0 or 5.

• It is an even number. (The last digit is a 0, 2, 4, 6, or 8)

• The sum of the digits is a multiple of 9.

• The sum of the digits is a multiple of 3.

Is 5,400 divisible by 9?

• Yes

• No

Is 512 divisible by 3?

• Yes

• No