Finding Least Common Multiples

Lesson 17 covers common multiples, focusing on identifying and applying them in problems. The lesson includes examples of multiples of 4 and 6, a florist word problem, and finding least common multiples. The session concludes with a summary and practice suggestions.

What is the main focus of Lesson 17?

• Fractions

• Geometry

• Common multiples

• Prime numbers

Which numbers were used to find common multiples in the lesson?

• 2 and 3

• 4 and 6

• 5 and 7

• 8 and 9

What is the first common multiple of 4 and 6?

• 10

• 14

• 8

• 12

In the flower problem, how many roses are in each bunch?

• 8

• 10

• 12

• 14

How many bunches of lilies are needed to match the number of roses in the flower problem?

• 5

• 2

• 3

• 4

What is the least common multiple of 6 and 8?

• 12

• 18

• 24

• 30

What does the term 'least common multiple' mean?

• The difference between two numbers

• The average of two numbers

• The smallest number that is a multiple of two numbers

• The largest number in a list

What is the significance of finding the least common multiple in math problems?

• It is used to find the greatest number

• It is used to calculate averages

• It helps in solving equations

• It simplifies finding common denominators

Which number is the least common multiple of 8 and 10?

• 20

• 30

• 50

• 40

In the example with 8 and 10, which number was found to be common in both lists?

• 80

• 90

• 60

• 70