Least Common Multiple - Listing Multiples

What does LCM mean?

• Least Common Multiple

• Least Complex Multiple

• Lowest Common Mixture

• Low Common Multiple

What operation is necessary to list multiples?

• Subtraction

• Multiplication

• Addition

• Division

Which of the following is a way you could have determined the next number as you listed these multiples?

• Skip count by 4

• Subtract 4

• Divide by 4

Why were 12 and 24 circled on both lists?

• They are made of all even numbers.

• They are common multiples of 4 and 6.

What is the LCM of 4 and 6?

• 12

• 36

• 24

Which multiple of 14 listed is a multiple of 6?

• 28

• 42

• 14

How do we know 42 is the LCM for 6 and 14?

• 42 is the most rational educated guess.

• 42 is the smallest multiple of 14 that is also a multiple of 6.

If 18, 24, 30, and 36 are all multiples of 6, why can't any of them be the LCM?

• None of the numbers are on the list of the multiples of 14.

• Because they are all greater than 14 when they should be less than 14.

What is the LCM of 3 and 8?

• 16

• 48

• 8

• 24

What is the LCM of 9 and 12?

• 3

• 72

• 36