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Unit: Get ready for adding and subtracting decimals

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Possible mastery points

Adding multi-digit numbers

Learn
Breaking apart 3-digit addition problems
(Opens a modal)
Addition using groups of 10 and 100
(Opens a modal)
Relate place value to standard algorithm for multi-digit addition
(Opens a modal)
Adding multi-digit numbers: 48,029+233,930
(Opens a modal)
Practice
Select strategies for adding within 1000Get 3 of 4 questions to level up!
Multi-digit additionGet 3 of 4 questions to level up!

Subtracting multi-digit numbers

Learn
Methods for subtracting 3-digit numbers
(Opens a modal)
Relate place value to standard algorithm for multi-digit subtraction
(Opens a modal)
Multi-digit subtraction: 389,002-76,151
(Opens a modal)
Practice
Select strategies for subtracting within 1000Get 3 of 4 questions to level up!
Multi-digit subtractionGet 3 of 4 questions to level up!
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Unit test

Level up on all the skills in this unit and collect up to 400 Mastery points!