3rd grade math olympiad- Divisibility rules

Which of the following is an even number?

• 1
• 9
• 4
• 5

Tags

CCSS.2.OA.C.3

Is 64 divisible by 2?

• Yes
• No

Tags

CCSS.6.NS.B.2

70 can be evenly divided by which number?

• 5
• 10
• 2
• All of the above

Tags

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. Both numbers are divisible by _____.

• 3

• 10

• 9

• 15

Tags

CCSS.4.OA.B.4

You have two numbers, 36 and 72. Both 36 and 72 are divisible by _______.

• 9

• 3

• 6

• All of the above

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.5.OA.B.3

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

Is 95 divisible by 5?

• Yes
• No

Tags

CCSS.4.OA.B.4

Is 81 divisible by 3 and 9?

• Yes

• No

Tags

CCSS.4.OA.B.4