IXL | Addition: fill in the missing digits | 4th grade math

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Type the missing digit:

	2	8	9
+	5	1	5
	8	0

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$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

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Time
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00	00	06

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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:

G.10Addition up to three digits: fill in the missing digits

D.3Add two multi-digit numbers

Lesson: Multi-digit addition