Divisibility Rules for 2, 3, 5, and 10

The video tutorial explains divisibility rules for numbers 2, 3, 5, and 10. It describes how to determine if a number can be divided without a remainder by checking the last digit or the sum of its digits. For divisibility by 2, the last digit must be even. For 3, the sum of the digits must be divisible by 3. For 5, the number must end in 0 or 5. For 10, the number must end in 0.

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

• The number must end in an even digit.

• The number must end in 0.

• The number must end in 0 or 5.

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

Which of the following numbers is divisible by 2?

• 56,731

• 47,129

• 94,343

• 142,562

How can you determine if a number is divisible by 3?

• The number must end in 0 or 5.

• The number must end in an even digit.

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

• The number must end in 0.

Is the number 4712 divisible by 3?

• No, because the sum of its digits is 14.

• Yes, because the sum of its digits is 5.

• Yes, because the sum of its digits is 14.

• No, because the sum of its digits is 5.

What is the rule for determining if a number is divisible by 5?

• The number must end in 0.

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

• The number must end in an even digit.

• The number must end in 0 or 5.

Which of the following numbers is divisible by 5?

• 47,129

• 94,673

• 92,490

• 80,475

What is the rule for determining if a number is divisible by 10?

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

• The number must end in an even digit.

• The number must end in 0.

• The number must end in 0 or 5.

Is the number 92,470 divisible by 10?

• No, because it ends in 5.

• Yes, because it ends in 0.

• No, because it ends in 0.

• Yes, because it ends in 5.

Which of the following numbers is not divisible by 10?

• 92,470

• 45,791

• 80,000

• 100,000

If a number ends in 0, which of the following is true?

• It is divisible by 2 and 10.

• It is divisible by 5 and 10.

• It is divisible by 3 and 5.

• It is divisible by 2 and 5.