Factoring

Which one IS a factor of 15?

• 7

• 5

• 20

• 9

List the factors of 12

which number is NOT a factor of 20?

• 1

• 20

• 4

• 15

What is the greatest common factor (GCF) of 12 and 15

• 2

• 5

• 3

• 6

Check all the numbers that are factors of 24

• 1

• 24

• 3

• 7

• 8

How do you feel about your knowledge of factors?

• I feel good! I understand now

• I understand factors, but not GCF

• I do not understand