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Definition
| Any numbers 0 or greater that do not contain a decimal or fraction. Whole numbers are found to the left of the decimal point. Also known as an integer. For example, 3, 25, and 400 are whole numbers. |
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Term
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Definition
| A dot written in a decimal number that separates the whole number part from the fractional part of the number. |
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Term
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Definition
| Numbers that are approximations or estimates of exact numbers. For example, 50 is the rounded number of the exact number 49. |
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Term
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Definition
| A system using the 10 Hindu-Arabic symbols 0 through 9. In this place value system, the position of a digit to the left or right of the decimal point affects its value. |
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Term
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Definition
| A process of rounding numbers to the first (i.e., the leftmost) digit. Used to prework a problem to an estimated answer. For example, 2,865 rounded all the way is 3,000. |
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