Multiples and Factors

Which is not a factor of 21?

• 1

• 3

• 6

• 7

What are factors?

• Fractions

• 2 numbers that you add together to make another number

• 2 numbers you multiply together to make another number

• The numbers you say when skip counting

What are multiples?

• Numbers you use to multiply

• The numbers you say when you skip count by a number

• Numbers you use to add

• Denominators

TRUE or FALSE?

A FACTOR is greater than the product (or the answer to a multiplication problem)

• TRUE

• FALSE

Select all of the multiples of 8.

• 2

• 8

• 32

• 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

What is the missing factor?

___ x 8 = 40

• 6

• 3

• 4

• 5

What is the missing factor?

25 = 5 x ___

• 10

• 5

• 6

• 9

What is the missing factor?

___ x 6 = 12

• 3

• 9

• 6

• 2

A composite number has more than two factors.

• True

• False