Greatest Common Factor Concepts

In this video tutorial, Jason from scienceandmath.com explains the concept of the greatest common factor (GCF), a fundamental skill necessary for understanding fractions. The tutorial covers the definition of GCF, how to find factors of a number, and provides a step-by-step example of finding the GCF between two numbers. The video emphasizes the importance of mastering this skill and offers a clear, bulletproof method for calculating the GCF.

Why is understanding the greatest common factor important before diving into fractions?

• It complicates fraction calculations.

• It is only used in addition.

• It is not related to fractions.

• It helps in simplifying fractions.

What does GCF stand for?

• Greatest Common Fraction

• Greatest Common Factor

• Greatest Common Function

• Greatest Common Formula

What is the first step in finding the greatest common factor?

• Adding the numbers

• Finding the factors of each number

• Multiplying the numbers

• Subtracting the numbers

In the example with numbers 9 and 6, what is the first step?

• Multiply 9 and 6

• Add 9 and 6

• List the factors of 6

• List the factors of 9

Which of the following is a factor of 9?

• 5

• 3

• 4

• 2

Which of the following is NOT a factor of 9?

• 3

• 1

• 8

• 9

Which of the following is a factor of 6?

• 9

• 2

• 5

• 7

Which of the following is NOT a factor of 6?

• 6

• 4

• 3

• 1

What is the greatest common factor of 9 and 6?

• 6

• 3

• 2

• 1

How do you write the answer for the greatest common factor?

• As a whole number

• As a decimal

• As a fraction

• As a percentage