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
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Homework: Pages #’s even #’s Lesson Check 5-2
Page 733 Lesson 5-2
Lesson Check 5-2