 # Lesson 9-2 Pages 441-445 The Real Number System Lesson Check 9-1.

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Lesson 9-2 Pages The Real Number System Lesson Check 9-1

What you will learn! How to identify and compare numbers in the real number system. How to solve equations by finding square roots.

Vocabulary Irrational numbers Real numbers

What you really need to know!
The set of real numbers consists of all natural numbers, whole numbers, integers, rational numbers, and irrational numbers. (Lesson 5-2)

What you really need to know!
Rational numbers can be written as fractions. Irrational numbers are decimals that do not repeat or terminate.

What you really need to know!
Irrational Numbers: , Rational Numbers 1.8 0.7 -3.222… Integers -5 -12 Whole Numbers 6 15 Natural Numbers 1, 2, 3 ,...

Page 441

17 Natural Number Whole Number Integer Rational Number
Example 1: Name all the sets of numbers to which each real number belongs. 17 Natural Number Whole Number Integer Rational Number

Integer Rational Number
Example 1b: Name all the sets of numbers to which each real number belongs. Integer Rational Number

Natural Number Whole Number Integer Rational Number
Example 1c: Name all the sets of numbers to which each real number belongs. Natural Number Whole Number Integer Rational Number

Example 1d: Name all the sets of numbers to which each real number belongs. irrational number

< Replace the ? with <, > or = to make a true statement.
Example 2: Replace the ? with <, > or = to make a true statement. <

Order from least to greatest.
Example 2b: Order from least to greatest.

Solve the equation. Round to nearest tenth if necessary.
Example 3: Solve the equation. Round to nearest tenth if necessary.

Solve the equation. Round to nearest tenth if necessary.
Example 3: Solve the equation. Round to nearest tenth if necessary.

Page 443 Guided Practice #’s 3-12

Pages 441-443 with someone at home and study examples!
Read: Pages with someone at home and study examples!

Homework: Pages #’s even, even, even, 64, 65, 69-71, 77, 78 Lesson Check 9-2

Page 745 Lesson 9-2

Lesson Check 9-2

Page 441

Page 441

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