GCF

Which number is not a factor of 24?

• 6
• 8
• 3
• 14

Tags

CCSS.6.NS.B.4

Which number is a factor of 6?

• 12
• 2
• 8
• 10

Tags

CCSS.4.OA.B.4

Which set of numbers show all the factors for 15?

• 7, 8
• 1, 15
• 1, 3, 5, 15
• 3, 5, 15

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)

Which number is NOT prime?

• 3
• 7
• 17
• 21

Tags

CCSS.4.OA.B.4

What is the greatest common factor of 6 and 21?

• 6
• 2
• 3
• 7

Tags

CCSS.6.NS.B.4

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4

Tags

CCSS.6.NS.B.4

Which is a factor of 15?

• 2
• 3
• 4
• 6

Tags

CCSS.4.OA.B.4

14 + (22 - 2) =

• 34
• 37
• 40

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

20 x 2 - (10 - 4)

• 22
• 30
• 34

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2