In this video we learn how to round whole numbers to a specific value. The steps to rounding whole numbers to a specific value are...
1) Locate the given place value. All digits to the left of that place value do not change unless the digit immediately to the left is 9, in which case it may. (See Step 3.)
2) Underline the digit to the right of the given place value.
Determine if this digit is greater than or equal to 5.
2a) Yes—add 1 to the digit in the given place value. If that digit is 9, replace it with 0 and add 1 to the digit immediately to its left. If that digit is also a 9, repeat.
2b) No—do not change the digit in the given place value.
3) Replace all digits to the right of the given place value with zeros.
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CC Licensed Content, Original
Revision and Adaptation. Provided by: Minute Math. License: CC BY 4.0
CC Licensed Content, Shared Previously
Marecek, L., Anthony-Smith, M., & Mathis, A. H. (2020). Introduction to Whole Numbers. In Prealgebra 2e. OpenStax. https://openstax.org/books/prealgebra-2e/pages/1-1-introduction-to-whole-numbers
. License: CC BY 4.0. Access for free at https://openstax.org/books/prealgebra-2e/pages/1-introduction