Playing with Numbers

Which of the following numbers is divisible by 2?

• 35

• 42

• 57

• 63

What is the divisibility rule for 3?

• The sum of the digits is divisible by 2.

• The number ends in 0 or 5.

• The sum of the digits is divisible by 3.

• The number ends in an even digit.

Which of the following numbers is not divisible by 4?

• 12

• 24

• 36

• 46

What is the divisibility rule for 5?

• The number is even.

• The number ends in 0 or 5.

• The sum of the digits is divisible by 3.

• The sum of the digits is divisible by 5.

Which of the following numbers is divisible by 6?

• 10

• 18

• 21

• 27

What is the divisibility rule for 9?

• The sum of the digits is divisible by 2.

• The number ends in 0 or 5

• The sum of the digits is divisible by 3.

• The sum of the digits is divisible by 9

Which of the following numbers is divisible by 8?

• 160

• 280

• 390

• 440

Which of the following numbers is divisible by 7?

• 90

• 120

• 143

• 168

Which of the following numbers is a multiple of 4?

• 9

• 16

• 25

• 38

What is a factor of 24?

• 5

• 8

• 14

• 16