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# Module 1: Place value, rounding, and algorithms for addition and subtraction

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Place value blocks Place value tablesComparing with multiplicationComparing with multiplication and addition: giraffeFinding place valueCreating the largest numberMultiplying whole numbers by 10 Dividing whole numbers by 10 Understanding place value Place value when multiplying and dividing by 10 Writing numbers in words and standard formWriting a number in expanded formWhole numbers in expanded form reviewWhole numbers in written form reviewRegrouping numbers into various place valuesRegrouping whole number place valuesAdding whole numbers by their place values

Practice

Place value blocksGet 5 of 7 questions to level up!

Place value tablesGet 3 of 4 questions to level up!

Compare with multiplicationGet 5 of 7 questions to level up!

Identify value of a digitGet 5 of 7 questions to level up!

Creating largest or smallest numberGet 5 of 7 questions to level up!

Multiply whole numbers by 10Get 3 of 4 questions to level up!

Divide whole numbers by 10Get 3 of 4 questions to level up!

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

Place value when multiplying and dividing by 10Get 5 of 7 questions to level up!

Write whole numbers in expanded formGet 5 of 7 questions to level up!

Write numbers in written formGet 3 of 4 questions to level up!

Regroup whole numbersGet 3 of 4 questions to level up!

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Comparing multi-digit numbersComparing whole number place valuesComparing multi-digit whole numbers word problems

Practice

Compare multi-digit numbersGet 5 of 7 questions to level up!

Compare multi-digit numbers word problemsGet 3 of 4 questions to level up!

Compare numbers: place value challengeGet 3 of 4 questions to level up!

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Rounding whole numbers to nearest hundredRounding whole numbers to nearest thousandRounding whole numbers word problemsRounding whole numbers: missing digit

Practice

Round whole numbersGet 5 of 7 questions to level up!

Round whole numbers word problemsGet 3 of 4 questions to level up!

Round whole numbers challengeGet 3 of 4 questions to level up!

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Relate place value to standard algorithm for multi-digit additionAdding multi-digit numbers: 48,029+233,930

Practice

Multi-digit additionGet 3 of 4 questions to level up!

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Multi-digit subtraction with regrouping twiceRelate place value to standard algorithm for multi-digit subtractionMulti-digit subtraction: 389,002-76,151

Practice

Multi-digit subtractionGet 3 of 4 questions to level up!

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