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Lesson 7 The real number system
Chapter 1 Real Numbers Lesson 7 The real number system
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Vocabulary Natural numbers Whole numbers Integers Rational numbers
Irrational numbers Real numbers
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The Real Number System
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The Real Number System
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The Real Number System 4 1 5 −
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Example 2 – Sometimes/Always/Never
Rational numbers are integers. Irrational numbers are real numbers. Real numbers are irrational numbers. Integers are real numbers. Integers are irrational numbers.
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−𝟔 𝟐 𝟑 𝟑 𝟗
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− 𝟐𝟓 −𝟏𝟐 −𝟖.𝟐 𝟏𝟔
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𝟐 𝟏 𝟒𝟖 𝟑𝟓
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The Real Number System I can classify real numbers.
I can describe sets of real numbers.
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` Give an example of each of the following: A whole number
An integer that is not a whole number A rational number that is not an integer An irrational number
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The Real Number System An irrational number is a number that cannot be expressed as the ratio of two integers. Two common examples of irrational numbers are and 2 . The set of rational numbers together with the set of irrational numbers make up the set of real numbers.
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