IXL | Add or subtract multiples of 10 or 100 | 3rd grade math

or

Subtract:

800 - 700 =

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or

$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

Questions
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SmartScore
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IXL's SmartScore is a dynamic measure of progress towards mastery, rather than a percentage grade. It tracks your skill level as you tackle progressively more difficult questions. Consistently answer questions correctly to reach excellence (90), or conquer the Challenge Zone to achieve mastery (100)! Learn more

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Teacher tools

Work it out

Not feeling ready yet? These can help:

Add or subtract two multiples of 100

P.4Subtract a multiple of 10 from a two-digit number

N.3Add a multiple of 10 to a two-digit number