Least Common Multiple (LCM)

Multiple Choice

List the first 5 MULTIPLES of 3

• 3, 6 10, 15, 20
• 1, 3, 2, 6, 4
• 3, 6, 9, 12, 15
• 6, 9, 12, 15, 18

Multiple Choice

What does LCM stand for?

• Lowest Core Multiple

• Least Common Multiple

Multiple Choice

What is the least common multiple of 10 and 6?

• 60

• 30

• 6

• 3

Important vocabulary

• multiples- products of a number when multiplied by 1, 2, 3, 4,

• least- smallest, lowest

• common- the same number that appears in both numbers.

• Least common multiple (LCM)- the smallest multiple that 2 or more numbers have in common.

I DO! Watch me complete the following problem.

Find the LCM of 10 and 8

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Multiple Choice

What is the LCM of 2 and 14?

• 28

• 7

• 14

• 2

Multiple Choice

What is the LCM of 6 and 15?

• 15

• 30

• 3

• 10

Multiple Choice

BONUS: What is the LCM of 4,8, and 28?

• 4

• 56

• 14

• 28

Multiple Choice

Find the LCM of 8 and 20

• 8

• 4

• 40

• 160

Multiple Choice

What is the LCM of 2, 4, 6?

• 6

• 12

• 4

• 2