Divisibility

Is 64 divisible by 2?

• Yes
• No

Tags

CCSS.4.NBT.B.6

CCSS.4.OA.B.4

What is the divisibility rule for 3?

• Add up the digits. The sum must be even and divisible by 3.
• The digits must add up to 9.
• The last digit must be a 3.
• Add up the digits. The sum must be divisible by 3.

Tags

CCSS.4.OA.B.4

You have two numbers, 20 and 100. What number can you divide out of both of them?

• 3
• 10
• 9
• 15

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.

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.

Is 95 divisible by 5?

• Yes
• No

Tags

CCSS.4.OA.B.4

Is 81 divisible by 3?

• Yes
• No

Tags

CCSS.4.OA.B.4

Is 81 divisible by 3?

• Yes, because the sum of the digits is 9, a multiple of 3

• No, because 81 is an odd number

• Yes, because 81 is an odd number

• No, because 81 does not end in 3

Tags

CCSS.4.OA.B.4

Is 555,509 divisible by 3?

• Yes

• No

Tags

CCSS.6.NS.B.2

2520 is divisible by 6 because:

• It is divisible by 2 (even) and 5 (ends in a 0 or 5)

• The sum of the digits is 12, a multiple of 6

• It's divisible by 2 (even) and 3 (sum of digits is a multiple of 3)

• The sum of the digits is even

Tags

CCSS.4.OA.B.4