|
|
1000’s |
100’s |
10’s
|
1s |
|
1 |
3 |
3 |
5 |
|
- 0 |
7 |
8 |
6 |
In the ones
place (1s), you cannot remove 6 from 5.
|
|
1000’s |
100’s |
10’s
|
1s
|
|
|
|
2 |
15 |
|
1 |
3 |
3 |
5 |
|
- 0 |
7 |
8 |
6 |
So trade 1 ten
(10s) for 1, giving 15 and leaving 2 tens
Look at the 10s
place. You cannot remove 8 tens from 2 tens.
 |
|
1000’s |
100’s |
10’s
12 |
1s
|
|
|
2 |
2 |
15 |
|
1 |
3 |
3 |
5 |
|
- 0 |
7 |
8 |
6 |
So trade 1
hundred for 10 tens, giving 12 tens and
leaving 2 hundreds.
Look at the
100’s place. You cannot remove 7 hundreds
from 2 hundreds.
 |
|
1000’s |
100’s
12 |
10’s
12 |
1s
|
|
0 |
2 |
2 |
15 |
|
1 |
3 |
3 |
5 |
|
- 0 |
7 |
8 |
6 |
|
|
5 |
4 |
9 |
So trade 1
thousand for 10 hundreds, giving 12 hundreds
and leaving 0 thousands.
Now subtract
each column starting in the ones column.
15 – 6 = 9
12 - 8 = 4
12 – 7 = 5
1,335 - 786 =
549
|
