Naming a Decimal in Words
To express a decimal number in words, follow four steps:
- Name the whole-number part — read the digits to the left of the decimal point as you would any whole number.
- Say "and" for the decimal point — the word "and" signals the location of the decimal point and separates the whole-number part from the fractional part.
- Read the fractional digits as a whole number — treat the digits to the right of the decimal point as though they form a standalone whole number.
- State the place value of the last digit — identify the decimal place that the rightmost digit occupies (tenths, hundredths, thousandths, etc.) and say that place-value name.
For example, the decimal is named "four and three tenths" because is the whole-number part, the decimal point becomes "and," the digit is read as "three," and it sits in the tenths place. If the decimal is negative, begin the name with "negative."
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