Skill: Identify decimal place values

Explanation and Free Practice Resources

Decimal notation extends whole-number place value to the right of the decimal point: in numbers through thousandths, each position represents one-tenth the value of the position to its left, so digits identify tenths, hundredths, and thousandths as well as their values (for example, 4 in 2.047 represents four hundredths). This includes interpreting zeros as placeholders and recognizing equivalent forms such as 0.5 and 0.50; places beyond thousandths and more advanced generalizations are not included.

Detailed Explanation: Identify decimal place values

To identify a decimal place value, start at the decimal point and count to the right:

  • First place: tenths
  • Second place: hundredths
  • Third place: thousandths

Each place is worth one-tenth as much as the place before it.

Example: In the number 2.0472.047, what place is the digit 44 in, and what is its value?

  1. Look at the digits to the right of the decimal point:

2.0472.047
  • 00 is in the tenths place.
  • 44 is in the hundredths place.
  • 77 is in the thousandths place.
  1. Therefore, the digit 44 is in the hundredths place.

  2. A 44 in the hundredths place has a value of four hundredths:

4 hundredths=0.044 \text{ hundredths} = 0.04

So, in 2.0472.047, the digit 44 is in the hundredths place, and its value is 0.04\boxed{0.04}.

The zero in the tenths place is a placeholder. It shows that there are no tenths, so the 44 stays in the hundredths place.

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