Whole Part and Fractional Part
This mixed decimal combines the whole part 1 with the fractional part 988/1000. In place-value words, "and" marks that boundary.
Decimal in the thousandths place
1.988 in Words
1.988 is a positive terminating decimal greater than 1. It has 3 decimal places, and its final digit is in the thousandths place.
Direct Answer
1.988 in words is one point nine eight eight.
1.988 Place-Value Breakdown
The digits 1 form the whole-number part, while 9 in the tenth place, 8 in the hundredth place, and 8 in the thousandth place.
| Part | Digit | Place | Digit value |
|---|---|---|---|
| Whole part | 1 | ones | 1 |
| Decimal part | 9 | tenth | 9/10 |
| Decimal part | 8 | hundredth | 8/100 |
| Decimal part | 8 | thousandth | 8/1000 |
What Kind of Decimal Is 1.988?
1.988 is a positive terminating decimal greater than 1. It is written to the thousandths place.
Expanded Form of 1.988
1.988 = 1 + 9/10 + 8/100 + 8/1000
1.988 = 1 + 988/1000
1.988 = 1 247/250
The final nonzero digit is in the thousandths place, so its value is expressed with a denominator of 1000.
How 1.988 Simplifies to 497/250
1.988 = 1988/1000
The greatest common divisor of 1988 and 1000 is 4.
1988 ÷ 4 = 497
1000 ÷ 4 = 250
Therefore, 1988/1000 = 497/250.
As a mixed fraction, the value is 1 247/250.
1.988 as a Percentage
To convert 1.988 to a percentage, multiply it by 100.
1.988 × 100 = 198.8
Therefore, 1.988 = 198.8%.
Decimals Equivalent to 1.988
1.988 = 1.9880 = 1.98800
Adding zeros to the right of a decimal does not change its numerical value. It does change the number of written decimal places and may communicate different precision.
| Decimal | Final place | Exact fraction | Simplified value |
|---|---|---|---|
| 1.988 | thousandths | 1988/1000 | 497/250 |
| 1.9880 | ten-thousandths | 19880/10000 | 497/250 |
| 1.98800 | hundred-thousandths | 198800/100000 | 497/250 |
1.988 on a Number Line
1.988 lies between 1 and 2. It is 0.012 below 2 and 0.988 above 1.
11.9882
1.988 Compared with Similar Decimals
| Decimal | Spoken form | Place-value form | Fraction | Percentage | Relationship |
|---|---|---|---|---|---|
| 0.1988 | zero point one nine eight eight | one thousand nine hundred eighty-eight ten-thousandths | 497/2500 | 19.88% | ten times smaller than 1.988 |
| 1.988 | one point nine eight eight | one and nine hundred eighty-eight thousandths | 497/250 | 198.8% | current value |
| 1.9880 | one point nine eight eight zero | one and nine thousand eight hundred eighty ten-thousandths | 497/250 | 198.8% | same numerical value, written to the ten-thousandths place |
| 19.88 | nineteen point eight eight | nineteen and eighty-eight hundredths | 497/25 | 1988% | ten times larger than 1.988 |
Quick Practice
How is 1.988 read digit by digit?
One point nine eight eight.
What is the place-value word form of 1.988?
One and nine hundred eighty-eight thousandths.
What fraction is 1.988 in lowest terms?
497/250.
What percentage is equal to 1.988?
198.8%.
What is 1.988 as a mixed fraction?
1 247/250.
Between which whole numbers does 1.988 lie?
Between 1 and 2.
Frequently Asked Questions
How do you write 1.988 in words?
1.988 in words is one point nine eight eight.
Why is 1.988 called one and nine hundred eighty-eight thousandths?
Because the digit 9 is in the thousandths place. Therefore, 1.988 represents one and nine hundred eighty-eight thousandths.
What fraction is 1.988?
1.988 is 1988/1000 exactly and 497/250 in lowest terms.
Can 1988/1000 be simplified?
Yes. Divide its numerator and denominator by 4 to get 497/250.
What percentage is 1.988?
1.988 is equal to 198.8%.
Is 1.988 the same as 1.9880?
Yes. 1.988 and 1.9880 have the same numerical value. However, 1.988 is written to the thousandths place, while 1.9880 is written to the ten-thousandths place and may communicate greater recorded precision.
Is 1.988 larger than 0.1988?
Yes. 1.988 is ten times as large as 0.1988.
What type of decimal is 1.988?
1.988 is a positive terminating decimal greater than 1. It is written to 3 decimal places and represents one and nine hundred eighty-eight thousandths.