Pre-Algebra Lesson 2-1

Pre-Algebra Lesson 2-1 - Integers and Absolute Values...

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Integers and Absolute Values Objective: Graph integers on a number line and find absolute value.
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Example 1. Study the pattern of the following subtraction sentences. 5 – 1 = 4 5 – 2 = 3 5 – 3 = 2 5 – 4 = 1 5 – 5 = 0 5 – 6 = ?
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Example 1. Study the pattern of the following subtraction sentences. 5 – 1 = 4 5 – 2 = 3 5 – 3 = 2 5 – 4 = 1 5 – 5 = 0 5 – 6 = -1 This is an example of a negative number. A negative number is less than zero.
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Integers
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Integers Numbers to the left of zero are less than zero.
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Integers Numbers to the left of zero are less than zero. Numbers to the right of zero are more than zero.
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Integers Numbers to the left of zero are less than zero. Numbers to the right of zero are more than zero. The numbers –1, -2, -3,… are called negative integers. The number negative 3 is written –3.
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Integers Numbers to the left of zero are less than zero. Numbers to the right of zero are more than zero. The numbers –1, -2, -3,…
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Pre-Algebra Lesson 2-1 - Integers and Absolute Values...

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