Converting Fractions to Percents: Using the Identity Principle of Multiplication

This lesson teaches how to convert fractions to percents by multiplying by 100%. It explains the identity principle of multiplication and provides examples, such as converting 3/8 and 3/5 to percents. The lesson emphasizes simplifying fractions and using mental math for efficiency.

What is the identity principle of multiplication used for in converting fractions to percents?

• To divide fractions

• To add fractions

• To create equivalent fractions

• To subtract fractions

When converting 3/8 to a percent, what is the first step?

• Divide by 100

• Add 100 to the fraction

• Multiply by 100%

• Subtract 100 from the fraction

What is the percent equivalent of 3/8?

• 50%

• 37.5%

• 25%

• 75%

What is one strategy to simplify the conversion of 3/5 to a percent?

• Subtract 5 from the fraction

• Multiply by 200%

• Cross reduce before multiplying

• Add 50 to the fraction

What is the percent equivalent of 3/5?

• 60%

• 50%

• 70%

• 40%