Lesson 5-2 Pages 205-209 Rational Numbers.

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Presentation transcript:

Lesson 5-2 Pages 205-209 Rational Numbers

What you will learn! How to write rational numbers as fractions. How to identify and classify rational numbers.

Vocabulary Rational number

What you really need to know! A number that can be written as a fraction is a rational number. Mixed numbers, integers, and many decimals can be written as fractions.

What you really need to know! Other decimals such a  = 3.141592653… are infinite and nonrepeating. They are called irrational numbers.

What you really need to know! Rational Numbers 1.8 0.7 -3.222… Integers -5 -12 Whole Numbers 1 2 3 Natural Numbers

What you really need to know! 5 -7 4.5 3/4 3/4 Rational Numbers Integers 4.5 -7 Whole Numbers 3/4 Natural Numbers 5

5 -7 4.5 3/4 5 is a Natural, Whole, Integer, and Rational Number 0 is a Whole, Integer, and Rational Number -7 is an Integer, and Rational Number 4.5 is a Rational Number ¾ is a Rational Number

Page 207 Guided Practice #’s 3-11

Homework: Pages 208-209 #’s 12-48 even #’s 52-75

Page 733 Lesson 5-2