Factors, Multiples, Estimation, Primes, & Composites

Which of the following numbers is a factor of 6?

• 12

• 2

• 8

• 10

Tags

CCSS.4.OA.B.4

Which choice below lists ALL the factors for the number 15?

• 7 and 8

• 1, 15

• 3, 5, 15

• 1, 3, 5, 15

Tags

CCSS.4.OA.B.4

What does the picture show?

• the answer to the number 48

• the factor pairs for the number 48

• all the even numbers 1-48

• blue and red made purple

Tags

CCSS.4.OA.B.4

What are the common factors of both 16 and 24?

• 1, 16, 24

• 1, 2, 4, 8

• 16, 24, 36

• 0, 5, 10, 15

What is the greatest common factor of 16 and 24?

• 1

• 2

• 4

• 8

The picture below shows all the factors of 16 EXCEPT what?

• 9

• 4

• 12

• 6

Tags

CCSS.4.OA.B.4

The number 3 is a factor for ALL of the following numbers EXCEPT what?

• 8

• 12

• 15

• 21

Tags

CCSS.4.OA.B.4

Which number listed is a factor of 6, but NOT a multiple of 2?

• 3

• 4

• 6

• 8

Tags

CCSS.4.OA.B.4

What is a prime number?

• a number that has only 1 factor

• a number that has at least 2 factors

• a number that has only 2 factors

• a number that has more than 2 factors

Tags

CCSS.4.OA.B.4

What number below is a prime number?

• 9

• 15

• 1

• 5

Tags

CCSS.4.OA.B.4