Even Odd and Prime Composite Review

which number below is NOT prime?

• 7
• 4
• 2
• 13

Tags

CCSS.4.OA.B.4

Which number is neither prime nor composite?

• 1
• 2
• 3
• 4

Tags

CCSS.4.OA.B.4

Randy's house number is a composite number.  Which of the following could be Randy's house number?

• 29
• 39
• 59
• 79

Tags

CCSS.4.OA.B.4

What is the only even number that is a prime number?

• 1
• 2
• 3
• 7

Tags

CCSS.4.OA.B.4

Four students each made a list of prime numbers.

Eric: 5, 7 17, 23

Maya: 3, 5, 13, 17

Bella: 2, 3, 17, 19

Joan: 7, 11, 13, 21

Who made an error and included a composite number?

• Eric

• Maya

• Bella

• Joan

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 itself)

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

Which number is NOT a factor of 10?

• 1
• 2
• 3
• 5

Tags

CCSS.4.OA.B.4

Which of the following is NOT true about prime numbers? 

• They have exactly two factors 
• 1 is a factor of every prime number
• No prime numbers end in zero
• All prime numbers are odd numbers.  

Tags

CCSS.4.OA.B.4

The sum of two odd numbers is

• even

• odd

Tags

CCSS.3.OA.D.9