IXL | Use expanded form to add three-digit numbers | 4th grade math

or

Find

211

+

757

using expanded form. Here are both numbers in expanded form.

211

=

200

+

10

+

1

757

=

700

+

50

+

7

Add the hundreds, the tens, and the ones.

211

+

757

=

900

+

+

Now find the sum.

211

+

757

=

ref_doc_title.

or

$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

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Teacher tools

Work it out

Not feeling ready yet? These can help:

Use models to add three-digit numbers: with regrouping

M.11Use place value to add two-digit numbers - with regrouping

A.5Convert between standard and expanded form