Exploring Factors and Multiples for 4th Graders

What are the numbers called that are multiplied together in a multiplication problem?

• Divisors

• Multiples

• Products

• Factors

Which number is a prime number?

• 10

• 5

• 6

• 20

What defines a prime number?

• Is always an even number

• Is divisible by any number

• Has more than two factors

• Has exactly two factors: 1 and itself

Which of the following numbers is a composite number?

• 7

• 10

• 13

• 11

What is the correct pair of factors for the number 20?

• Both 1 and 2

• 3 and 7

• 1 and 20

• 2 and 10

Which method is suggested for finding all factors of a number?

• Random guessing

• Using a calculator

• Creating an organized list

• Asking a friend

What are the first five multiples of 4?

• 1, 2, 3, 4, 5

• 2, 4, 6, 8, 10

• 5, 10, 15, 20, 25

• 4, 8, 12, 16, 20

Which of the following is NOT a factor of 36?

• 5

• 6

• 12

• 9

How can you determine if a number is a factor of another number?

• Add them together

• Divide them

• Multiply them

• Subtract them

What is the correct sequence when skip counting by five?

• 5, 10, 15, 20, 25

• 1, 2, 3, 4, 5

• 10, 20, 30, 40, 50

• 5, 15, 25, 35, 45