5.4A

Which list has only prime numbers?

• 2, 3, 4, 5
• 1, 5, 7, 9
• 2, 3, 5, 7
• 2, 4, 6, 8

Tags

CCSS.4.OA.B.4

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors 1 and its self.
  (1 and itself)

Are all even numbers composite numbers?

• Yes
• No

Tags

CCSS.4.OA.B.4

Find the prime number.

• 10
• 9
• 7
• 4

Tags

CCSS.4.OA.B.4

Which of the following is a factor of 54?

• 4
• 7
• 5
• 9

Tags

CCSS.4.OA.B.4

A number that has only two factors, 1 and itself, is called a _______ number.

• prime
• composite
• odd
• even

Tags

CCSS.4.OA.B.4

A number that has more than 2 factors is called a __________ number.

• prime
• composite
• odd
• even

Tags

CCSS.4.OA.B.4

7 is a ________ number.

• prime
• composite

Tags

CCSS.4.OA.B.4

Which number below is NOT prime?

• 3
• 7
• 9
• 11

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