|
|
10’s |
1’s |
0.1’s
|
0.01s |
|
$ 1 |
3. |
3 |
5 |
|
-$ 0 |
7. |
8 |
6 |
In the
hundredths place (0.01s), you cannot remove
6 hundredths from 5 hundredths.
|
|
10’s |
1’s |
0.1’s
|
0.01s
|
|
|
|
2 |
15 |
|
$ 1 |
3. |
3 |
5 |
|
-$ 0 |
7. |
8 |
6 |
So trade 1 tenth
(0.1s) for 10 hundredths, giving 15
hundredths and leaving 2 tenths
Look at the 0.1s
place. You cannot remove 8 tenths from 2
tenths.
 |
|
10’s |
1’s |
0.1’s
12 |
0.01s
|
|
|
2 |
2 |
15 |
|
$ 1 |
3. |
3 |
5 |
|
-$ 0 |
7. |
8 |
6 |
So trade 1 one
for 10 tenths, giving 12 tenths and leaving
2 ones.
Look at the 1’s
place. You cannot remove 7 ones from 2 ones.
 |
|
10’s |
1’s
12 |
0.1’s
12 |
0.01s
|
|
0 |
2 |
2 |
15 |
|
$ 1 |
3. |
3 |
5 |
|
-$ 0 |
7. |
8 |
6 |
|
$ |
5. |
4 |
9 |
So trade 1 tens
for 10 ones, giving 12 ones and leaving 0
tens.
Now subtract
each column starting in the hundredths
column.
15 – 6 = 9
12 - 8 = 4
12 – 7 = 5
$13.35 - $7.86 =
$ 5.49
Don’t forget to
write the $ and the . (decimal point). |
