Multiples and Common Factors

This video tutorial covers the concept of multiples, including how to identify and use them in problem-solving. It explains skip counting and demonstrates finding multiples through practical examples, such as a radio station contest and library visits. The tutorial also introduces common multiples and the least common multiple, emphasizing their importance in operations like adding and subtracting fractions. A Venn diagram is used to visually represent common multiples, enhancing understanding.

What is the process of counting by adding the same number repeatedly called?

• Subtracting

• Multiplying

• Skip counting

• Dividing

If you start at 2 and skip count by 2, what is the 10th number you will reach?

• 20

• 24

• 18

• 22

How many multiples of 2 are there?

• 10

• 50

• 20

• Infinite

In a radio contest, every 6th caller wins a ticket. What is the first winning caller number?

• 8

• 7

• 6

• 5

Why is the least common multiple important in fractions?

• For multiplying fractions

• For dividing fractions

• For adding and subtracting fractions

• For simplifying fractions

If every 8th caller wins a CD, which caller number wins both a ticket and a CD?

• 24

• 16

• 40

• 32

What is the smallest common multiple of 6 and 8?

• 30

• 18

• 12

• 24

On which day of February do Bob, Makayla, and Brett all meet at the library?

• 16th

• 14th

• 12th

• 10th

What is the least common multiple of 2 and 3?

• 6

• 5

• 4

• 3

In a Venn diagram, where do you place numbers that are multiples of both 6 and 9?

• Middle section

• Left circle

• Right circle

• Outside the circles