IXL | Understanding decimals expressed in words

Write one tenth as a decimal number.

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Learn with an example

question

How do you write 0.4 in words?

four thousandths

four ten-thousandths

four hundredths

four tenths

key idea

Use a hyphen in compound numbers from twenty-one to ninety-nine.
Also use a hyphen in compound place values like ten-thousandths.

Use the word and between the whole-number and decimal parts. Do not use the word and anywhere else.

solution

Use a place value chart.

ones

tenths

The whole-number portion is 0, so ignore it.

The decimal portion is 4 and reaches the tenths place, so it is written four tenths.

The answer is four tenths.

Looking for more? Try these:

Lesson: Writing decimals in word form

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Teacher tools

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Not feeling ready yet? These can help:

D.5Writing numbers up to 1,000 in words - convert digits to words

Y.1Model decimals and fractions

Lesson: Writing decimals in word form

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