Divisibility Rules

True or False...

40,500 is divisible by 6

• True

• False

All of these numbers are divisible by 5 except...

• 1050

• 155

• 980

• 2938

Tags

CCSS.4.OA.B.4

Is 2,385 divisible by 10?

• Yes

• No

Tags

CCSS.4.OA.B.4

55 is divisible by what number?

• 5

• 2

• 10

• 6

Tags

CCSS.4.OA.B.4

Is 81 divisible by 3?

• Yes

• No

Tags

CCSS.4.OA.B.4

What is the divisibility rule for 5?

• The digits must add up to 10.
• The last digit needs to be a 5 or 0.
• The last digit can only be a 5.
• The sum of the digits need to be divisible by 5.

Tags

CCSS.4.OA.B.4

What is the divisibility rule for 3?

• Add up the digits. The sum must be an even number

• The digits must add up to 9.

• The last digit must be a 3.

• Add up the digits. The sum must be a multiple of 3.

Tags

CCSS.4.OA.B.4

A number is divisible by 10 if

• It is even

• It ends in 0

• It ends in 0 or 5

• The sum of the digits is a multiple of 10

Tags

CCSS.4.OA.B.4

252 is divisible by 9 because:

• The digits add up to 18.

• The sum of the digits is divisible by 9.

• It's even and the sum of the digits is divisible by 3.

• The sum of the digits is even.

Tags

CCSS.4.OA.B.4

Which of the following is an even number?

• 17 840

• 18 597

• 19 845