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Decimal numbers with 1 decimal place can be changed into tenths.
Whole numbers stay as whole numbers.
| 0.4 | = | 4 |
| 10 |
| 3.4 | = | 3 | 4 |
| 10 |
Decimal numbers with 2 decimal places can be changed into hundredths.
Whole numbers stay as whole numbers.
| 0.04 | = | 4 |
| 100 |
| 0.54 | = | 54 |
| 100 |
| 3.75 | = | 3 | 75 |
| 100 |
Decimal numbers with 3 decimal places can be changed into thousandths.
Whole numbers stay as whole numbers.
| 0.004 | = | 4 |
| 1000 |
| 0.054 | = | 54 |
| 1000 |
| 3.715 | = | 3 | 715 |
| 1000 |
The reverse is also true.
Example 1
Write the following fraction as a decimal.
| 5 |
| 1000 |
Answer
5 thousandths is 0.005 with 3 decimal places.
(Use zeros to fill in the spaces.)
The answer is 0.005.
Example 2
Write the following mixed number as a decimal.
| 4 | 15 |
| 1000 |
Answer
15 thousandths is 0.015 with 3 decimal places.
The 4 is a whole number and stays the same.
The answer is 4.015.
