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Estimation and Computation

Estimation and Computation. By: Your Name (First, Last) Section: O-. Partial Sums. A method to add in which sums are computed for each place value. Expanded Notation. A way of writing a number as the sum of the values of each digit. Example: 356 = 300 + 50 + 6. Place Value.

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Estimation and Computation

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  1. Estimation and Computation By: Your Name (First, Last) Section: O-

  2. Partial Sums • A method to add in which sums are computed for each place value.

  3. Expanded Notation • A way of writing a number as the sum of the values of each digit. Example: 356 = 300 + 50 + 6

  4. Place Value • A system that gives a digit a value according to its position in the number. Example: Base 10 System

  5. Column Addition Method • A method for adding by which columns are added first and then trades are made until single digits remain.

  6. Minuend, Subtrahend, and Difference 19 (Minuend) • 5 (Subtrahend) 14 (Difference)

  7. Trade First Subtraction • A subtraction method in which all trades are done before any subtraction is carried out. Example:

  8. Partial Difference Method • A way to subtract in which differences are computed for each place (ones, tens, hundreds, etc.) separately. The partial difference are then combined to give a final answer. Example:

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