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Unit 4: Place value and decimals

2,100 possible mastery points
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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.

Decimals in written form

Practice

Quiz 1

Level up on the above skills and collect up to 320 Mastery points

Rounding decimals

Practice

Quiz 2

Level up on the above skills and collect up to 640 Mastery points

Multiplying and dividing whole numbers by 10, 100, and 1000

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Multiplying and dividing decimals by 10, 100, and 1000

Practice

Quiz 3

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

Comparing decimal place values

Practice

Quiz 4

Level up on the above skills and collect up to 320 Mastery points

Regrouping decimal numbers

Practice

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Unit test

Level up on all the skills in this unit and collect up to 2100 Mastery points!