Least Common Multiples and Word Problems

This video tutorial covers the concept of common multiples, including how to identify and use them to solve problems. It begins with an introduction to common multiples, followed by a practical problem involving flower bunches. The video then explains the least common multiple and its significance. It also includes a section on using multiples to determine prize distribution. Finally, the video provides homework problems for practice.

What is a common multiple of 4 and 6?

• 8

• 12

• 16

• 20

Which number is a multiple of both 4 and 6?

• 24

• 18

• 14

• 10

How many multiples of 4 are there up to 24?

• 4

• 5

• 6

• 7

What is the least common multiple of 4 and 6?

• 18

• 12

• 24

• 6

If a florist orders roses in bunches of 12, how many roses are in 3 bunches?

• 48

• 60

• 36

• 24

What is a common multiple of 12 and 8?

• 32

• 24

• 40

• 16

How many bunches of lilies are needed to match 4 bunches of roses if lilies come in bunches of 8?

• 3

• 6

• 4

• 5

What is the least number of bunches of roses and lilies needed to have the same total number of flowers?

• 2 roses, 3 lilies

• 6 roses, 9 lilies

• 3 roses, 4 lilies

• 4 roses, 6 lilies

What is the least common multiple of 6 and 8?

• 24

• 18

• 30

• 12

Which of the following is a multiple of both 10 and 8?

• 30

• 20

• 50

• 40