Divisibility Rules for Numbers

The video reviews common divisibility rules using the number 4332. It checks divisibility by 2, 3, 4, 5, 6, 9, and 10, providing a yes or no answer for each. The number is divisible by 2, 3, 4, and 6, but not by 5, 9, or 10. The rules involve checking the last digit, summing digits, and considering the last two digits.

What is the rule for determining if a number is divisible by 2?

• The sum of the digits must be divisible by 3.

• The number must be even.

• The last two digits must be divisible by 4.

• The number must end in 0 or 5.

How do you check if a number is divisible by 3?

• The number must be even.

• The sum of the digits must be divisible by 3.

• The last two digits must be divisible by 4.

• The number must end in 0.

Which of the following is true for a number to be divisible by 4?

• The number must end in 0 or 5.

• The last two digits must be divisible by 4.

• The sum of the digits must be divisible by 3.

• The number must be even.

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

• The number must be even.

• The sum of the digits must be divisible by 3.

• The number must end in 0 or 5.

• The last two digits must be divisible by 4.

How can you determine if a number is divisible by 9?

• The last two digits must be divisible by 4.

• The number must be even.

• The number must end in 0.

• The sum of the digits must be divisible by 9.