Divisibility Rules: Round 1

A number is divisible by another number when the quotient _____.

• is a decimal.

• has no remainder.

• is an odd number.

• is zero.

Not every whole number is divisible by 1.

• True

• False

When the last digit of a number is ______, that number is divisible by 2.

• odd

• greater than 5

• even

• decimal

If the _____ of all digits in a number is divisible by 3, that number is divisible by 3.

• sum

• square root

• difference

• average

If the ______ digits of a number are divisible by 4, that number is divisible by 4.

• first two

• last two

• middle two

• first and last

Which of the following numbers is divisible by 5?

• 7,431

• 11

• 627

• 5810

A number is divisible by 6 if the last digit is even or the sum of all digits is divisible by 3.

• True

• False

If the sum of all digits in a number _________, that number is divisible by 9.

• is greater than 1

• is divisible by 3

• add up to 6

• is divisible by 9

If the final digit of a number is ______, that number is divisible by 10.

• 0

• 5

• 0 or 5

• divisible by 10

Which of the following numbers is divisible by 4?

• 1351

• 4363

• 3816

• 2318