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Intro to Numbers: Integers, Rational Numbers, and Absolute Value

Learn about whole numbers, integers, rational numbers, opposite values, absolute values, graphing, comparisons, classifications, and ordering numbers with examples and explanations. Discover how to find opposites and absolute values easily.

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Intro to Numbers: Integers, Rational Numbers, and Absolute Value

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  1. 2.1Notes

  2. Whole Numbers – 0, 1, 2, 3, 4, … • Integers - …-3, -2, -1, 0, 1, 2, 3, …

  3. Rational Numbers – a number where a and b are integers and • Examples:

  4. Opposite – Two numbers that are on opposite sides of 0 but the same distance from 0 • Example: 4 and -4 are opposites

  5. Absolute Value – The distance from 0 • “The absolute value of negative four is four.”

  6. Graph and Compare • The number on the right is greater. • 6 and -24 -1 and .032

  7. Classify numbers Yes Yes Yes No No Yes No No Yes Yes No Yes

  8. Order Numbers • Numbers will increase as you move from left to right on the number line.

  9. Find Opposites and Absolute values • Given a find and

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