Regrouping numbers helps you subtract eight from three in
the problem below.
Sometimes you have to regroup before you can subtract three-digit
numbers. Look at the ones place value. You cannot subtract 8 from 3
without regrouping.
7
4
3
2
1
8
Regroup the 3 into 13 ones and the 4 into 3 tens. Subtract.
3
13
7
2
1
8
5
Subtract the tens.
3
13
7
2
1
8
2
5
Subtract the hundreds.
3
13
7
2
1
8
5
2
5
Fill in the boxes below.
6
6
3
2
7
6
15
6
3
2
7
8
6
15
6
3
2
7
Practice subtracting three-digit numbers using regrouping.
6
6
4
5
9
9
15
7
2
2
6
3
1
2
9
4
2
3
6
3
2
1
9
2
1
1
8
7
3
4
7
5
3
8
9
4
1
3
9
4
2
4
8
3
1
5
9
7
2
2
5
6
3
2
3
1
3
7
2
3
5
1
4
1
7
6
1
1
7
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