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Unit: Addition, subtraction, and estimation

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Possible mastery points

Rounding whole numbers

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Practice

Round whole numbersGet 5 of 7 questions to level up!
Round whole numbers to different place valuesGet 3 of 4 questions to level up!
Round whole numbers word problemsGet 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 240 Mastery points

Adding multi-digit numbers

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Practice

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

Subtracting multi-digit numbers

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Practice

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

Quiz 2

Level up on the above skills and collect up to 160 Mastery points

Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 500 Mastery points!