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Chpts 1-3
Vocabulary from Chpts 1-3
| Vocab Word | Definition |
|---|---|
| digit | a numeral |
| billion | 1,000 million |
| benchmark | a familar number used as a point of reference |
| period | each group of three digits separated by commas in a multidigit number |
| mixed number | a number represented by a whole number and a fraction |
| decimal | can name a whole and parts of a whole |
| tenth | one part of 10 equal parts of a whole |
| hundreth | one part of 100 equal parts of a whole |
| thousandth | one part of 1,000 equal parts of a whole |
| ten-thousandth | one part of 10,000 equal parts of a whole |
| equivalent decimals | decimals that name the same number or amount |
| estimate | to find a number that is close to an exact amount |
| front-end estimation | an estimation that is made by adding or subtracting the value of the front digits of each number |