Representing Fractions as Percents: Renaming with 100 in the Denominator

This lesson teaches how to convert common fractions into percentages by renaming them as equivalent fractions with 100 as the denominator. It uses examples like 1/2 to 50% and 1/4 to 25%, employing a money analogy for better understanding. The lesson also includes a practical example of converting 4/5 to 80% in a quiz context, emphasizing the usefulness of this skill in calculating grades.

What is the main idea behind converting a fraction to a percent?

• Renaming the fraction to have 100 as the numerator

• Renaming the fraction to have 100 as the denominator

• Dividing the fraction by 100

• Multiplying the fraction by 100

How can 1/2 be expressed as a percent?

• 25%

• 100%

• 50%

• 75%

What fraction is equivalent to 25%?

• 1/2

• 1/5

• 1/3

• 1/4

If you answered 4 out of 5 questions correctly, what percent did you score?

• 70%

• 60%

• 90%

• 80%

What is the equivalent fraction of 4/5 when expressed as a percent?

• 90 hundredths

• 80 hundredths

• 70 hundredths

• 60 hundredths