#11 (RL) 20: Prime, Composite, Factor, Multiple

Tina tells her sister that her age is a prime number. How old is she?

• 7

• 8

• 9

• 10

Tags

CCSS.4.OA.B.4

Which one of the following is not a prime number?

• 7

• 17

• 27

• 37

Which number is a factor of 24

• 9
• 7
• 11
• 12

Tags

CCSS.4.OA.B.4

Which are the factors of 24?

• 1, 2, 3, 8, 12, 24
• 2, 3, 4, 6, 8, 12
• 1, 2, 3, 4, 6, 8, 12, 24

Tags

CCSS.4.OA.B.4

Which of the following numbers is not a factor of 24?

• 6
• 8
• 3
• 7

Tags

CCSS.4.OA.B.4

Which number is not a multiple of 10?

• 20

• 35

• 40

• 50

Tags

CCSS.4.OA.B.4

Ernest wants his baseball jersey to be a multiple of 7. What number should he pick?

• 49

• 45

• 50

• 24

Tags

CCSS.4.OA.B.4

What are the first 5 multiples of 8?

• 8, 15, 24, 32,40

• 8, 16, 24, 32,40

• 8, 16, 24, 32,48

• 16, 24, 32,40, 48

Tags

CCSS.3.OA.C.7

Which lists all the factors of 20?

• 1, 2, 4, 5, 10, 20
• 1, 2, 5, 10, 20
• 1, 4, 5, 20
• 1, 2, 10, 20

Tags

CCSS.4.OA.B.4

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4