Remember during subtraction, you may need to regroup more than one time. Since
you cannot take 7 from 5, you will need to borrow, or regroup, from the tens column.
Look at the problem below.
First subtract the ones.
Borrow from the tens.
TH
H
T
O
3
15
5
3
2
5
6
7
8
Next subtract the tens.
Borrow from the hundreds.
TH
H
T
O
2
13
15
5
2
5
6
7
7
8
Next subtract the hundreds.
Borrow from the thousands.
TH
H
T
O
4
12
13
15
2
5
6
7
7
7
8
Subtract the thousands.
TH
H
T
O
4
12
13
15
2
5
6
7
2
7
7
8
Solve the problems below.
TH
H
T
O
13
3
9
7
5
TH
H
T
O
3
6
2
9
TH
H
T
O
4
9
8
6
TH
H
T
O
8
4
5
7
9
TH
H
T
O
4
3
9
8
4
TH
H
T
O
3
9
6
6
7
5
3
9
3
7
7
7
6
7
7
2
2
5
8
1
9
4
3
1
7
5
3
2
7
6
4
2
3
8
7
2
7
5
5
1
6
4
4
2
5
3
2
2
3
6
4
1
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