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Place value and decimals

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Decimal place valueDecimal place value review
Practice
Place value namesGet 5 of 7 questions to level up!
Value of a digitGet 5 of 7 questions to level up!
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Write decimal in expanded formConvert decimal from expanded form to standard formDecimals in expanded form review
Practice
Decimals in expanded formGet 3 of 4 questions to level up!
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Decimals in written form (hundredths)Decimals in written form (thousandths)Decimals in written form review
Practice
Decimals in written formGet 3 of 4 questions to level up!
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Comparing decimals: 9.97 and 9.798Comparing decimals: 156.378 and 156.348Ordering decimals 1Ordering decimals 2 Comparing decimals word problems
Practice
Compare decimals through thousandthsGet 5 of 7 questions to level up!
Compare decimals in different formsGet 3 of 4 questions to level up!
Order decimalsGet 3 of 4 questions to level up!
Compare decimals word problemsGet 3 of 4 questions to level up!
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Worked example: Rounding decimals to nearest tenthRounding decimals on the number lineRounding decimals word problems
Practice
Round decimals Get 5 of 7 questions to level up!
Round decimals using a number lineGet 3 of 4 questions to level up!
Round decimals challengeGet 3 of 4 questions to level up!
Round decimals word problemsGet 3 of 4 questions to level up!
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Multiplying decimals by 10, 100, and 1000Dividing decimals by 10, 100, and 1000
Practice
Multiply and divide decimals by 10Get 3 of 4 questions to level up!
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Using exponents with powers of 10Powers of 10 review
Practice
Powers of tenGet 5 of 7 questions to level up!
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Exponents and powers of 10 patternsMultiplying a decimal by a power of 10Dividing a decimal by a power of 10Dividing a decimal by a power of 10: patternFractions as division by power of 10
Practice
Multiply and divide by powers of 10Get 5 of 7 questions to level up!
Understanding moving the decimalGet 5 of 7 questions to level up!
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Comparing decimal place values
Practice
Compare decimal place valueGet 3 of 4 questions to level up!
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Regrouping whole numbers: 675Regrouping whole numbers: 76,830Regrouping whole numbers: 430Regrouping with decimals: 21.3Regrouping with decimals: 86.93Regrouping with decimals: 0.25
Practice
Regroup whole numbersGet 3 of 4 questions to level up!
Regroup decimalsGet 3 of 4 questions to level up!

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.