Writing a Decimal Number Less Than 1 Given its Name

Here we are considering decimal numbers less than 1 or decimal numbers that have only decimal part and no whole number part. For example: Seven tenths; fourteen hundredths; one hundred eighteen thousandths and so on.

Rules to write the decimal numbers less than 1 in numeral form.

• We write zero and a decimal point as "0."
• We write the given number name as a whole number.
• We see to it that the last digit of this whole number has same place value as given by the decimal unit mentioned.

Example:

Write the decimal seventy-nine thousandths.

Solution

• We write a 0 and decimal point as "0."
• We write seventy-nine as "0._79."
• We see to it that 9 has place value thousandths. So we write seventy-nine thousandths as "0.079"

Write the decimal five tenths.

Solution

Step 1:

Given decimal has no whole number part and is less than 1.

Step 2:

Writing a zero and a decimal point as "0."

Step 3:

We write five in tenths place. So five tenths is "0.5".

Write the decimal sixteen hundredths.

Solution

Step 1:

Given decimal has no whole number part and is less than 1.

Step 2:

We write a zero followed by decimal point as "0."

Step 3:

We write sixteen hundredths as "0.16". 6 is in hundredths place.

Step 4:

So sixteen hundredths is "0.16".

Write the decimal four hundred fifty-one thousandths.

Solution

Step 1:

Given decimal has no whole number part and is less than 1.

Step 2:

We write a zero followed by decimal point as "0."

Step 3:

We write four hundred fifty-one thousandths as "0.451". 1 is in thousandths place

Step 4:

So four hundred fifty-one thousandths is "0.451"