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# Absolute Value

## on Oct 29, 2009

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Lesson notes on Absolute Value

Lesson notes on Absolute Value

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## Absolute ValueDocument Transcript

• Agenda Thurs. Oct. 29 Homework 24 p. 20 # 22 - 27, 35, 36, 38, 44 - 46 Do Now Correct homework 1-4 continued - Absolute Value
• How many units away from zero is -10 ? The number of units, or distance, between an integer and zero is called the absolute value. How many units away from zero is +10 ? Answer 10 units 0 + 10 + 20 + 30 - 10 - 20 - 30 Answer 10 units
• Frayer Model Examples Nonexamples Definition Characteristics absolute value a number's distance from zero on the number line
• The absolute value of an integer is never negative because it asks, &quot;How far away is it from zero?&quot; Click on the arrow to help you decide if negative 15 and positive 15 are the same distance from zero. 0 + 5 + 15 + 25 - 5 - 15 - 25 Yes! No!
• Click and drag the integers below to the correct column.
• Absolute Value Absolute value is written with 2 bars around the number. ex. l3l, l-4l -6 6
• Pull Pull Remember that absolute value means how far it is away from zero. Absolute value is NEVER negative. 1 0 2 3 4 5 6 7 8 9 10 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 -6 6
• Pull Pull Remember that absolute value means how far it is away from zero. Absolute value is NEVER negative. 1 0 2 3 4 5 6 7 8 9 10 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 4 4
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• Independent Practice Find the absolute value. 1. l 7 l 2. l -8 l 3. l 81 l 4. l -79 l 5. l 23 l 7 8 81 79 23
• Match pairs of absolute values.
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