Unit 2 review

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

Find the prime number.

• 10
• 9
• 7
• 4

Tags

CCSS.4.OA.B.4

Is 12 prime or composite?

• prime
• composite

Tags

CCSS.4.OA.B.4

is 5 prime or composite?

• prime
• composite

Tags

CCSS.4.OA.B.4

What are all prime numbers divisible by?

• 1, 2, and itself
• 1 and itself
• Every number from 1-10
• They aren't divisable at all

Tags

CCSS.4.OA.B.4

which number is composite

• 11
  11
• 13
• 21
• 23

Which number listed below is a prime number?

• 1
• 37
• 63
• 33

Which number listed below is a prime number?

• 1
• 37
• 63
• 33

Which of the following numbers is COMPOSITE?

• 2
• 37
• 41
• 4

Prime numbers have:

• Exactly 2 factors
• 2 pairs of factors
• More than 2 factors
• 1 factor