Understanding Factors and GCF

In this video, Susie introduces the concept of the Greatest Common Factor (GCF) and explains how to find it using the ladder method. She defines factors and demonstrates the process with examples, including finding the GCF of number pairs like 16 and 40, 30 and 60, 42 and 63, and 14 and 84. The video concludes with a call to action for viewers to subscribe and engage with the content.

What does GCF stand for?

• Greatest Common Formula

• Greatest Common Factor

• Greatest Common Function

• Greatest Common Fraction

What is the Ladder Method used for?

• Finding the least common multiple

• Solving quadratic equations

• Finding the greatest common factor

• Calculating percentages

What is a factor?

• A number that divides another number

• A number that is multiplied to form a product

• A number that is subtracted from another number

• A number that is added to another number

Which of the following is a product of 3 and 5?

• 8

• 15

• 10

• 20

In the Ladder Method, what shape is drawn to start the process?

• A triangle

• A square

• A circle

• An L

What is the first step in the Ladder Method?

• Draw an L

• Draw a triangle

• Draw a circle

• Draw a square

What is the first shared factor of 16 and 40 in the Ladder Method example?

• 8

• 4

• 10

• 2

What is the GCF of 16 and 40?

• 10

• 8

• 16

• 4

What is the GCF of 16 and 40 using the Ladder Method?

• 12

• 4

• 8

• 16

What is the shared factor of 16 and 40 in the Ladder Method?

• 4

• 2

• 6

• 8