IXL | Use models to subtract from three-digit numbers with zeros - with regrouping

The blocks show 400. Use them to find

400

–

321

How will you need to regroup to find

400

–

321

Regroup

ten

ones

only.

Regroup

hundred

tens

only.

Regroup

ten

ones

and regroup

hundred

tens

Complete the subtraction sentence.

400

–

321

ref_doc_title.

Learn with an example

question

The blocks show 300. Use them to find

300

–

How will you need to regroup to find

300

–

Regroup

ten

ones

only.

Regroup

hundred

tens

only.

Regroup

ten

ones

and regroup

hundred

tens

Complete the subtraction sentence.

300

–

solution

You can use the blocks to find

300

–

300 is

hundreds

tens

and

ones

To subtract 4, take away

ones

You cannot take

ones

away from

ones

So, you need to regroup

ten

ones

But, there are no tens to regroup. So, first regroup

hundred

tens

3 hundreds,

0 tens

, and

0 ones

2 hundreds,

10 tens

, and

0 ones

Now you can regroup

ten

ones

2 hundreds, 10 tens

, and

0 ones

2 hundreds, 9 tens

, and

10 ones

Now you can take away

ones

10
o
n
e
s
–
4
o
n
e
s
=
6
o
n
e
s

There are

hundreds

tens

and

ones

left. That is the same as 296.

300

–

296

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