Representing Decimal Numbers in Expanded Notation Using Base 10 Blocks

This lesson teaches how to read and write numbers to the thousandths in expanded notation using base 10 blocks. It explains the concept of place value and demonstrates how to express numbers like 3841 and decimals such as 2.486 and 4.032 in expanded notation. The lesson emphasizes understanding the value of each digit based on its position and using decimal fractions to determine these values.

What is the value of the digit three in the number 3841?

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How can a number be written in expanded notation?

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Explain how to determine the value of each digit in the number 2 and 486 thousandths.

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What is the value of the digit eight in the hundredths place?

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What does the expanded notation of the number 4 and 32 thousandths look like?

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