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Integers & Absolute Value

Integers & Absolute Value. Lesson 1-4. Math Vocabulary. Integer – a whole number and its opposite 3 and -3, -15 and +15 Absolute Value – the distance between a number and zero. The Number Line. Negative Positive _______________________________________________ Point of Origin

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Integers & Absolute Value

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  1. Integers & Absolute Value Lesson 1-4

  2. Math Vocabulary • Integer – a whole number and its opposite 3 and -3, -15 and +15 • Absolute Value – the distance between a number and zero

  3. The Number Line Negative Positive _______________________________________________ Point of Origin same order but typical # order but  decrease in size increase in size

  4. Examples… _______________________________________________ Name the integer for : A = In order from least to greatest: B = -5 -10 3 0 6 -1 C =

  5. Absolute Value • Based on distance • means… the answer always “comes out” POSITIVE l -2 l = 2 l 5 l = 5 l -5 + 8 l = l 3 l = 3 - l 4 l = -4 - l -13 l = -13

  6. Practice… Name the integer: • A profit of $250 • 18 degrees below 0 • The opposite of 9 • The opposite of the opposite of eight • l -26 l =

  7. Homework p. 19 #11-16, 20-32

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