Lesson 7 The real number system

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Presentation transcript:

Lesson 7 The real number system Chapter 1 Real Numbers Lesson 7 The real number system

Vocabulary Natural numbers Whole numbers Integers Rational numbers Irrational numbers Real numbers

The Real Number System

The Real Number System

The Real Number System 4 1 5 − 64 10 . 39

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.

−𝟔 𝟐 𝟑 𝟑 𝟗

− 𝟐𝟓 −𝟏𝟐 −𝟖.𝟐 𝟏𝟔

𝟐 𝟏 𝟒𝟖 𝟑𝟓

The Real Number System I can classify real numbers. I can describe sets of real numbers.

` 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

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.