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Unit 4
Extending Decimals
| Term | Definition |
|---|---|
| Counting (natural) Numbers | the set of positive number numbers that begins at one and increases by increments of each time {1, 2, 3..., n} |
| Expanded Form | the representation of a number as a sum of place values . Ex: 985.8 = 900 + 80 + 5 + .9 |
| Expanded Notation | the representation of a number as a sum of place values where each term is shown as a digit times its place value. Ex: 985.8 = 9 x 100 + 8 x 10 + 5 x 1 + 8 x 1/10 |
| Numeral | a symbol used to represent a number |
| Place Value | the value of a digit as determined by its location in a number, such as ones, tens, hundreds, one thousands, ten thousands, etc. |
| Rounding | a method for estimating a number by increasing or retaining a specific place value digit according to specific rules and changing all trailing digits to zero. |
| Standard Form | the representation of a number using digits |
| Whole numbers | the set of counting (natural) numbers including zero {0, 1, 2, 3....n} |
| Word Form | the representation of a number using written words |
| Compatible Numbers | numbers that are slightly adjusted to create groups of numbers that are easy to compute mentally |
Created by:
lozuna
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