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# Unit 5: Arithmetic in base ten

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Adding & subtracting decimals word problemsGet 3 of 4 questions to level up!

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Adding decimalsSubtracting decimals

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Add decimals visuallyGet 5 of 7 questions to level up!

Subtract decimals visuallyGet 5 of 7 questions to level up!

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Adding decimals: 9.087+15.31Adding decimals: 0.822+5.65Adding three decimalsSubtracting decimals: 9.005 - 3.6Subtracting decimals: 39.1 - 0.794

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Adding decimals: thousandthsGet 5 of 7 questions to level up!

Subtracting decimals: thousandthsGet 5 of 7 questions to level up!

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Intro to multiplying decimalsDeveloping strategies for multiplying decimalsMultiplying decimals (no standard algorithm)

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Multiply decimals and whole numbers visuallyGet 5 of 7 questions to level up!

Multiplying decimals like 4x0.6 (standard algorithm)Get 5 of 7 questions to level up!

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Multiplying decimals: place valueMultiplying challenging decimals

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Multiplying decimals like 2.45x3.6 (standard algorithm)Get 5 of 7 questions to level up!

Multiplying decimals like 0.847x3.54 (standard algorithm)Get 3 of 4 questions to level up!

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Dividing by 2-digits: 9815÷65Dividing by 2-digits: 7182÷42

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Division by 2-digitsGet 3 of 4 questions to level up!

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

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Dividing whole numbers to get a decimal

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Dividing whole numbers like 56÷35 to get a decimalGet 5 of 7 questions to level up!

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Dividing a decimal by a whole number

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Dividing a whole number by a decimalDividing decimalsDividing decimals with hundredthsDividing decimals completelyLong division with decimalsDividing by a multi-digit decimal

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

Dividing decimals: hundredthsGet 3 of 4 questions to level up!

Dividing decimals: thousandthsGet 3 of 4 questions to level up!