Comparing Decimal Numbers Using Base 10 Blocks

This lesson teaches how to compare decimal numbers using base ten blocks. It explains the representation of decimals with blocks, introduces symbols for comparison, and provides examples to illustrate the concepts. Common misunderstandings are addressed, and advanced comparisons are demonstrated. The lesson concludes with a summary of the key points.

What does the flat represent when using base ten blocks to compare decimals?

• Thousandths

• One whole

• Hundredths

• Tenths

Which symbol is used to indicate that one number is smaller than another?

• Equal sign

• Greater than symbol

• Plus sign

• Less than symbol

When comparing 31/100 to 50/100, which statement is true?

• 31/100 is equal to 50/100

• 31/100 is greater than 50/100

• 31/100 is not comparable to 50/100

• 31/100 is less than 50/100

What is a common mistake when comparing decimal numbers?

• Comparing whole numbers

• Using symbols incorrectly

• Using base ten blocks

• Ignoring the decimal point

In the example comparing 1 and 413/1000 to 3 and 2/10, which is greater?

• Cannot be determined

• They are equal

• 3 and 2/10

• 1 and 413/1000