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

or

Add:

300 + 200 =

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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:

Subtract multiples of 10

T.2Add a multiple of 100 to a three-digit number

V.2Subtract a multiple of 100 from a three-digit number