Exploring Divisibility Rules for Grade 4

What is the rule for a number to be divisible by 2?

• The number ends in 5.

• The last digit is odd.

• The last digit is even or 0.

• The sum of the digits is even.

If the sum of the digits of a number is divisible by 3, what can be said about the number?

• It is divisible by 10.

• It is divisible by 3.

• It is divisible by 2.

• It is divisible by 5.

How can you determine if a number is divisible by 4?

• The number ends in 0.

• The last digit is 4.

• The last two digits are divisible by 4.

• The sum of the digits is 4.

What is the rule for a number to be divisible by 5?

• The number ends in 1.

• The sum of the digits is 5.

• The last digit is even.

• The last digit is 0 or 5.

A number is divisible by 6 if it is divisible by which two numbers?

• 2 and 4

• 3 and 5

• 2 and 3

• 4 and 5

What is the rule for a number to be divisible by 9?

• The last digit is 9.

• The last two digits are 9.

• The sum of the digits is divisible by 9.

• The number ends in 0.

How can you determine if a number is divisible by 10?

• The last digit is 5.

• The number ends in 1.

• The sum of the digits is 10.

• The last digit is 0.

Is the number 234 divisible by 4?

• No, because the last digit is not 0.

• No, because the last two digits are not divisible by 4.

• Yes, because the last two digits are 34.

• Yes, because the sum of the digits is 9.

Which of the following numbers is 234 divisible by?

• 2, 3, 4, and 10

• 3, 5, 6, and 9

• 2, 4, 5, and 10

• 2, 3, 6, and 9

Is the number 640 divisible by 3?

• No, because the last two digits are 40.

• Yes, because the last digit is 0.

• No, because the sum of the digits is not divisible by 3.

• Yes, because the sum of the digits is 10.