Finding the Greatest Common Factor

This video tutorial introduces the concept of the Greatest Common Factor (GCF) and provides several examples to illustrate how to find the GCF of different sets of numbers. The tutorial includes both mathematical and real-world problems, such as dividing bagels into boxes and organizing teams for a school field day. The video emphasizes the importance of identifying common factors and selecting the largest one to determine the GCF.

What is the Greatest Common Factor (GCF)?

• The smallest number that divides two numbers evenly

• The largest number that divides two numbers evenly

• The sum of two numbers

• The difference between two numbers

Which of the following is a factor of 18?

• 11

• 9

• 7

• 5

What is the GCF of 18 and 30?

• 3

• 6

• 9

• 12

In the baker's example, how many boxes can be made using all the bagels?

• 8

• 12

• 6

• 10

What is the GCF of 24 and 36?

• 12

• 8

• 6

• 4

What is the GCF of 14 and 35?

• 2

• 10

• 5

• 7

What is the GCF of 20 and 28?

• 2

• 4

• 6

• 8

How many teams can be formed in the school field day example?

• 6

• 4

• 8

• 10

How many girls will be on each team in the school field day example?

• 2

• 3

• 4

• 5

How many boys will be on each team in the school field day example?

• 3

• 5

• 4

• 6