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# Module 1: Place value and decimal fractions

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Practice

Place value namesGet 5 of 7 questions to level up!

Value of a digitGet 5 of 7 questions to level up!

Multiply and divide by powers of 10Get 5 of 7 questions to level up!

Powers of tenGet 5 of 7 questions to level up!

Multiply and divide decimals by 10Get 3 of 4 questions to level up!

Multiply and divide decimals by 10, 100, and 1000Get 3 of 4 questions to level up!

Decimals on the number line: thousandthsGet 3 of 4 questions to level up!

Compare decimal place valueGet 5 of 7 questions to level up!

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Practice

Decimals in expanded formGet 3 of 4 questions to level up!

Decimals in written formGet 3 of 4 questions to level up!

Decimals in written and expanded formGet 3 of 4 questions to level up!

Write common fractions as decimalsGet 5 of 7 questions to level up!

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!

Regroup decimalsGet 3 of 4 questions to level up!

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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 word problemsGet 3 of 4 questions to level up!

Round decimals challengeGet 3 of 4 questions to level up!

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Practice

Estimating with adding decimalsGet 5 of 7 questions to level up!

Add decimals visuallyGet 5 of 7 questions to level up!

Add decimals like 0.7+0.5Get 3 of 4 questions to level up!

Add decimals like 4+5.7Get 3 of 4 questions to level up!

Add decimals like 40.1+7.6Get 3 of 4 questions to level up!

Add decimals like 0.76+0.21Get 3 of 4 questions to level up!

Add decimals like 5.53+6.1Get 3 of 4 questions to level up!

Add decimals like 47.75+11.98Get 3 of 4 questions to level up!

Estimating with subtracting decimalsGet 5 of 7 questions to level up!

Subtract decimals visuallyGet 5 of 7 questions to level up!

Subtract decimals like 0.9-0.7Get 3 of 4 questions to level up!

Subtract decimals like 1.6-0.3Get 3 of 4 questions to level up!

Subtract decimals like 78.4-3Get 3 of 4 questions to level up!

Subtract decimals like 56.8-17.9Get 3 of 4 questions to level up!

Subtract decimals like 0.75-0.56Get 3 of 4 questions to level up!

Subtract decimals like 0.6-0.43Get 3 of 4 questions to level up!

Subtract decimals like 67.89-6Get 3 of 4 questions to level up!

Subtract decimals like 15-7.45Get 3 of 4 questions to level up!

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Practice

Estimating with multiplying decimals and whole numbersGet 3 of 4 questions to level up!

Multiply whole numbers by 0.1 and 0.01Get 3 of 4 questions to level up!

Multiply decimals visuallyGet 5 of 7 questions to level up!

Multiply whole numbers and decimalsGet 3 of 4 questions to level up!

Estimating with multiplying decimalsGet 5 of 7 questions to level up!

Represent decimal multiplication with grids and area modelsGet 3 of 4 questions to level up!

Understand multiplying decimalsGet 3 of 4 questions to level up!

Multiply decimals like 0.6x0.4Get 3 of 4 questions to level up!

Multiply decimals (up to 4-digit factors)Get 3 of 4 questions to level up!

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Practice

Divide decimals by whole numbers visuallyGet 3 of 4 questions to level up!

Divide whole numbers by decimals visuallyGet 3 of 4 questions to level up!

Divide whole numbers like 7÷5 to get a decimalGet 3 of 4 questions to level up!

Divide decimals like 1.86÷2Get 3 of 4 questions to level up!

Divide whole numbers by decimalsGet 3 of 4 questions to level up!

Multiply and divide decimals by 10Get 3 of 4 questions to level up!