Lesson 5-2 Pages 205-209 Rational Numbers Lesson Check 5-1.

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Lesson 5-2 Pages Rational Numbers Lesson Check 5-1

What you will learn! 1. How to write rational numbers as fractions. 2. How to identify and classify rational numbers.

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  = … are infinite and nonrepeating. They are called irrational numbers.

Rational Numbers … Integers What you really need to know! Whole Numbers Natural Numbers

Whole Numbers Integers Rational Numbers /4

Example 1: -( )

Example 2:

Example 3: Write each decimal as a fraction or mixed number in simplest form. 0.26

Example 4: Write each decimal as a fraction or mixed number in simplest form

Example 5: Write 0.39 as a fraction in simplest from. n = … 100n = …

Example 5: - n = … 100n = … 99n = 39 99

Example 6: Identify all sets to which each number belongs. a. 15 Natural, Whole, integer, and rational Rational number

Example 6: Identify all sets to which each number belongs. c … Rational number

Page 207 Guided Practice #’s 3-11

Pages with someone at home and study examples! Read:

Homework: Pages #’s even #’s Lesson Check 5-2

Page 733 Lesson 5-2

Lesson Check 5-2