Comparing Decimals Using Fractions

This lesson teaches how to compare decimals using fractions. It begins with a review of comparison symbols and explains that longer numbers are not necessarily larger. The lesson demonstrates how to express decimals as fractions and provides examples to compare decimals like 0.2 and 0.3, and 0.21 and 0.3. By converting decimals to fractions with common denominators, students can easily compare their values. The lesson concludes with a summary of the key points covered.

Which symbol is used to show that two numbers are equal?

• Not equal sign

• Greater than sign

• Equal sign

• Less than sign

How can one tenth be represented as a fraction?

• 10/100

• 1/10

• 10/1

• 1/100

What is the fractional representation of 0.3?

• 0.3/1

• 3/10

• 3/100

• 30/100

When comparing 0.2 and 0.3, which is larger?

• Cannot be determined

• They are equal

• 0.3

• 0.2

If Emmanuel has 0.21 pounds of grapes and Susanna has 0.3 pounds, who has more?

• Cannot be determined

• They have the same amount

• Emmanuel

• Susanna