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Unit 2: Classifying, Comparing, and Ordering Whole Numbers, Integers, and Rational Numbers
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rational numbers
Terms in this set (10)
natural numbers (counting numbers)
1,2,3...
whole numbers
0,1,2,3...
Natural numbers plus 0
integers
{...-4, -3, -2, -1, 0, 1, 2, 3, 4, ... } (whole numbers both positive and negatives)
positive numbers
Numbers greater than zero.
negative numbers
Numbers less than zero.
ascending
To order numbers from least to greatest, or from smallest to biggest. (increasing)
descending
To order numbers from greatest to least, or from biggest to small. (decreasing)
subset
Part of a set. Example: natural numbers are a subset (part) of whole numbers.
rational numbers
All numbers that can be written as positive or negative fractions ...rational numbers can be expressed as fractions, decimals, percents. Examples: {...-2, -1, -0.5, -1/4, -6%, 0, 3%, 1/5, 0.8, 1, 2...}
integers
{...-4, -3, -2, -1, 0, 1, 2, 3, 4, ... } (whole numbers both positive and negatives)
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