math competition grade 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

Find the prime number.

• 10
• 9
• 7
• 4

Tags

CCSS.4.OA.B.4

Is 3 a factor of 12?

• yes
• no

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 answer choice lists all the factors for 27?

• 3, 9
• 1, 3, 9, 27
• 1, 3, 6, 9, 12, 27
• 1, 3, 6, 9, 18, 27

Tags

CCSS.4.OA.B.4

which number below is NOT prime?

• 7
• 9
• 2
• 3

Tags

CCSS.4.OA.B.4

Find the prime number.

• 10
• 9
• 7
• 4

Is 12 prime or composite?

• prime
• composite