Decimals - Thousandths
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1 whole unit can be split into 1,000 equal parts. Each part is one thousandth. |  |
Or we can show the same thing this way:
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| One (1) whole unit | Split into ten equal parts (tenths) | Each tenth split into ten equal parts (hundredths) | Each hundredth split into ten equal parts | Each part is one thousandth |
Numbers with place value
When we write numbers with thousandths using decimals we use a decimal point and places to the right of this decimal point. The thousandth place is three places to the right of the decimal point.
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| 389/1000 = .389 | . | 3 | 8 | 9 | We read this number as three hundred eight-nine thousandths |
Examples of numbers with thousandths
| Blocks | Fraction | Decimal | Notes |
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1/1000 | .001 one thousandth |
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2/1000 | .002 two thousandths |
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37/1000 | .037 thirty-seven thousandths |
Note: three hundredths = thirty thousandths |
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104/1000 | .104 one hundred four thousandths |
Note: one tenth = one hundred thousandths ( .1 = .100) |
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545/1000 | .545 five hundred forty-five thousandths |
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1 1/1000 | 1.001 one and one thousandth |
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1 263/1000 | 1.263 one and two hundred sixty-three thousandths |
The worksheets below will help practice working with decimals and place values to the right of the decimal point.
Rounding
decimals to the nearest hundredth - Comparing
and ordering decimals
- Identifying
and writing decimals - thousandths
