Rules of Divisibility

Name the factors of 16.

• 1, 4, 16
• 4
• 1, 2, 4, 8, 16
• 2, 4, 8

Tags

CCSS.4.OA.B.4

Name the factors of 21.

• 1, 3, 7, 21
• 3, 7
• 1, 21
• 1, 2, 7, 21

What is the divisibility rule for 5?

• It is divisible by 2 and 3

• The last digit is a five

• The last digit is five or zero

• The last digit is zero

Tags

CCSS.5.OA.B.3

Which of the following statements is true of this number?

• It is divisible by 3 and 9

• It is divisible by 2, 3, and 6

• It is divisible by 3

• It is prime

Tags

CCSS.4.OA.B.4

What is the divisibility rule of 3?

• The sum of the digits is a number divisible by 3

• The last digit is a 3

• The last two digits form a number divisible by 3

• The last digit is zero

Tags

CCSS.3.OA.D.9

What is the divisibility rule for 10?

• It is divisible by 2 and 3

• The last digit is a five

• The last digit is five or zero

• The last digit is zero

Tags

CCSS.5.OA.B.3

Which of the following statements is true of this number?

• It is divisible by 2, 6, and 9

• It is divisible by 3 and 9

• It is divisible by 3

• It is prime

Tags

CCSS.4.OA.B.4

Which of the following statements is true of this number?

• It is divisible by 2, 5 and 10

• It is divisible by 10

• It is divisible by 2, 3, 5, 6, 9, and 10

• It is divisible by 3 and 5

Tags

CCSS.3.OA.D.9

What is the divisibility rule of 9?

• The sum of the digits is a number divisible by 3

• The sum of the digits is a number divisible by 9

• The last two digits form a number divisible by 3

• The last digit is zero

Tags

CCSS.3.OA.D.9

What is the divisibility rule for 6?

• It is divisible by 2 and 3

• It is divisible by 3 and 4

• It is divisible by 2 and 4

• The last digit is zero

Tags

CCSS.4.OA.B.4