thousandth

• Rounding decimals to the nearest thousandth

  The process of rounding a decimal number to the nearest thousandth place value
• Steps to round decimals to the nearest thousandth


  1. Identify the thousandths place

  2. Look at the digit to the right of the thousandths place

  3. If the digit is 5 or more, round up

  4. If the digit is 4 or less, let the number rest
• Example 1

  • 7929 ten thousandths
  • Rounded to 790 thousandths
• Example 2

  • 1 and 5712 ten thousandths
  • Rounded to 1 and 571 thousandths
• When rounding decimals, you can cut off the digits to the right of the rounded place as they are just placeholders
• Rounding whole numbers involves changing all digits to the right of the rounded place to zeros, but this is not necessary for decimals