9th and 10 th Grade Number Theory Quiz

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

Which list is only composite numbers?

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

Tags

CCSS.4.OA.B.4

Find the prime number.

• 0
• 1
• 7
• 4

Tags

CCSS.4.OA.B.4

True or False
0 is a COMPOSITE number.

• TRUE
• FALSE

Tags

CCSS.4.OA.B.4

Which number below is a prime number?

• 1
• 0
• 2
• 9

Tags

CCSS.4.OA.B.4

which number below is NOT prime?

• 7
• 9
• 2
• 3

Tags

CCSS.4.OA.B.4

What number is the only even prime number?

• 0
• 2
• 1
• 3

Tags

CCSS.4.OA.B.4

Name the factors of 16.

• 1, 4, 16
• 4
• 1, 2, 4, 8, 16
• 2, 4, 8

Tags

CCSS.4.OA.B.4

Name the factors of 21.

• 1, 3, 7, 21
• 3, 7
• 1, 21
• 1, 2, 7, 21

Tags

CCSS.4.OA.B.4

any number which ends in a 2, 4, 6, 8, or 0, is even, and divisible by ?

• 2

• 4

• 6

• 8

Tags

CCSS.2.OA.C.3