# Place value and decimals

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Take Quiz 1 to identify your areas for growth. We'll recommend lessons for exactly what you need to learn.

Lessons

Decimal place value introDecimals in expanded formDecimals in written formQuiz 1Comparing decimalsRounding decimalsQuiz 2Multiplying and dividing whole numbers by 10, 100, and 1000Multiplying and dividing decimals by 10, 100, and 1000Quiz 3Powers of 10Multiplying and dividing with powers of 10Comparing decimal place valuesQuiz 4Regrouping decimal numbersUnit testPractice

Quizzes

Unit test

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Compare decimals through thousandths

71%

71%

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Compare decimals challenge

25%

25%

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Order decimals

100%

100%

Compare decimals word problems

4 questions

Practice

Practice

Round decimals

86%

86%

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Round decimals using a number line

75%

75%

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Round decimals challenge

75%

75%

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Round decimals word problems

4 questions

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Powers of ten

100%

100%

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Multiply and divide by powers of 10

57%

57%

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Understanding moving the decimal

86%

86%

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Compare decimal place value

57%

57%

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**Place value and decimals**with these 15 questions.About this unit

To really understand how decimal numbers work, we need a deep understanding of place value. The big picture goal of these tutorials is to connect decimal place value to the idea of multiplying by 10.