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Decimals in written form review

Review writing decimals in written form, and try some practice problems.

Written form

Written form is a way to write numbers using only words.


Let's write 3.405 in written form.
3.405=3 ones+405 thousandths
First, we will read the number to the left of the decimal.
Then, we read the decimal as "and".
Three and
Finally, we read the numbers to the right of the decimal and state the place value of the digit farthest to the right.
Three and  four hundred five thousandths
3.405 in written form is three and four hundred five thousandths.
Want to learn more about written form? Check out this video.


Problem 1
Write the following number in decimal notation.
Nine and three hundred twenty-one thousandths
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0.75
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4

Want to try more problems like this? Check out this exercise.

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