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Trang 5Copyright © 2021, 2018, 2015, 2014 by McGraw Hill All rights reserved.Except as permitted under the United States Copyright Act of 1976, no part
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Trang 7How to Use This Book
Introducing the GED ® Test
About the GED® Test
How Do I Register?
Question Formats
The Reasoning Through Language Arts (RLA) Test
The Mathematical Reasoning Test
The Science Test
The Social Studies Test
More About the Test Interface
How the Tests Are Scored
General Test-Taking Tips
Analyze Documents
Read Critically
Use the Process of Elimination
Watch Out for Extreme Answer Choices
Find the Answer in the Passage
Use the Answers
Estimate Values
Essay Tips
Time Management Tips
Test Day Tips
How to Use This Book to Set Up a Study Plan
Reasoning Through Language Arts (RLA) One-Month Study Plan Mathematical Reasoning One-Month Study Plan
Science One-Month Study Plan
Social Studies One-Month Study Plan
PRETESTS
Trang 8How to Use the Pretests
Reasoning Through Language Arts (RLA) Pretest
Part 1: Multiple Choice
Part 2: Extended Response
Part 3: Multiple Choice
Answers and Explanations
Evaluation Chart
Mathematical Reasoning Pretest
Mathematics Formula Sheet
Part 1, Questions 1–5: No calculator allowed
Part 2: Calculator allowed
Answers and Explanations
Evaluation Chart
Science Pretest
Answers and Explanations
Evaluation Chart
Social Studies Pretest
Answers and Explanations
Evaluation Chart
REASONING THROUGH LANGUAGE ARTS (RLA)
INTRODUCTION
The Reasoning Through Language Arts (RLA) Test
The Reasoning Through Language Arts (RLA) Review
The Top 25 Things You Need to Know for the GED® RLA Test
CHAPTER 1 Testing Basic English Usage
Standard English
“Drop Down” Questions
Editing Mechanics
Trang 9Improving Awkward Sentences
Eliminating Informal or Nonstandard Words
Subject-Verb Agreement
Verb Tenses
Pronoun Usage
Apostrophes and Possessive Nouns
Transitional Words and Expressions
Frequently Confused Words
Practice: Testing Basic English Usage
CHAPTER 2 Testing Reading Comprehension
Reading Comprehension on the GED® Test
Question Types
Multiple-Choice Questions
“Drag and Drop” Questions
Fill-in-the-Blank Questions
Basic Critical Reading Skills
Identifying the Main Idea in a Text
Finding Details in a Text
Analyzing Implicit Main Ideas
Making Inferences and Drawing Conclusions
Identifying Textual Evidence
Making Connections Between Ideas
Practice: Testing Reading Comprehension
CHAPTER 3 Structure and Author’s Choices
Sequence of Events
Trang 10Practice: Structure and Author’s Choices
CHAPTER 4 Literary Texts
Using Textual Evidence to Analyze Elements of Fiction
Character and Narrator Viewpoint
Practice: Literary Texts
CHAPTER 5 Informational Texts
Foundational Texts
Inferring Relationships Between Ideas
Cause and Effect
Compare and Contrast
Trang 11Author’s Response to Conflicting Viewpoints and Bias
Comparing Texts
Practice: Informational Texts
CHAPTER 6 RLA Extended Response
Elements of a Persuasive Essay
Writing a Persuasive Essay
Practice: RLA Extended Response
Reasoning Through Language Arts (RLA) Answers and Explanations
MATHEMATICAL REASONING
INTRODUCTION
The Mathematical Reasoning Test
The Mathematical Reasoning Review
The Top 25 Things You Need to Know for the GED® Mathematical
Calculators and the GED® Mathematical Reasoning Test
Word Problems Involving Basic Operations
CHAPTER 2 Exponents, Roots, and Number
Trang 12Exponents
Negative Exponents
The Rules of Exponents
Rule 1: When Multiplying Two Terms with the Same Base, Add the
Exponents
Rule 2: When Dividing Two Terms with the Same Base, Subtract the
Exponents
Rule 3: To Take a Term with an Exponent to a Power, Multiply the Powers
Square Roots and Cube Roots
Exponents and Roots on the TI-30XS
Exponents
Roots
Order of Operations
The Distributive Property
CHAPTER 3 Decimal Numbers and Operations
Decimals and Place Value
Rounding Decimals
Comparing Decimals
Scientific Notation
Scientific Notation on the Calculator
Adding and Subtracting Decimals
Multiplying Decimals
Dividing Decimals
Dividing a Decimal by a Whole Number
Dividing a Whole Number by a Decimal
Dividing a Decimal by a Decimal
CHAPTER 4 Fractions and Operations
Equivalent Fractions
Reducing Fractions to Lowest Terms
Trang 13Reducing Fractions on the Calculator
Fractions and Decimals
Converting Between Fractions and Decimals on the Calculator
Improper Fractions and Mixed Numbers
Converting Between Mixed Numbers and Improper Fractions on the
Calculator
Comparing Fractions
Comparing Fractions and Decimals
Adding and Subtracting Fractions
Multiplying Fractions
Dividing Fractions
Operations with Fractions, Whole Numbers, and Mixed Numbers
Operations with Fractions on the Calculator
CHAPTER 5 Ratios, Rates, and Proportions
Ratios and Rates
Word Problems with Ratios and Rates
Proportions
Word Problems with Proportions
CHAPTER 6 Percents and Applications
Converting Between Fractions, Decimals, and Percents
Converting a Percent to a Fraction
Converting a Percent to a Decimal
Converting a Decimal to a Percent
Working with Percents
Word Problems with Percents
Simple Interest
CHAPTER 7 The Number Line and Negative Numbers
The Number Line
Absolute Value
Trang 14Adding and Subtracting Negative Numbers
Multiplying and Dividing Negative Numbers
Negative Numbers on the Calculator
CHAPTER 8 Probability and Counting
CHAPTER 9 Statistics and Data Analysis
Analyzing Data Sets
CHAPTER 10 Algebraic Expressions
Variables, Terms, and Expressions
Evaluating Expressions
Combining Like Terms
Trang 15Adding and Subtracting Polynomials
Multiplying Polynomials
Multiplying Single Terms
Multiplying Single Terms and Larger Polynomials
Multiplying Two Binomials
Multiplying Polynomials with More than Two Terms
Factoring
Factoring Using the Greatest Common Factor
Factoring by Reversing FOIL
Difference of Squares
Rational Expressions
Simplifying Rational Expressions
Adding and Subtracting Rational Expressions
Multiplying Rational Expressions
Dividing Rational Expressions
Writing Linear Equations and Inequalities
Word Problems with Equations and Inequalities
Systems of Two Equations with Two Unknowns
Word Problems and Systems of Equations
Solving Quadratic Equations with the Square Root Rule
Solving Quadratic Equations by Factoring
Solving with the Quadratic Formula
Writing Quadratic Equations
Trang 16CHAPTER 12 Graphing Equations
Plotting Points
Graphing Lines
Intercepts
Slope
Calculating the Slope
Parallel and Perpendicular Lines
Interpreting Slope
Finding the Equation of a Line
Graphs and Systems of Equations
CHAPTER 13 Functions
Evaluating Functions
Recognizing Functions
Properties of Functions
Key Features of Function Graphs
Increasing and Decreasing Functions
Relative Maximums and Minimums
Positive and Negative Values
End Behavior and Periodic Functions
The Pythagorean Theorem
Mathematical Reasoning Answers and Explanations
SCIENCE
INTRODUCTION
Trang 17The Science Test
The Science Review
The Top 25 Things You Need to Know for the GED® Science Test
PART 1 Life Science
CHAPTER 1 Structures and Functions of Life
Cells, Tissues, and Organs
Trang 18CHAPTER 4 Evolution
Evolutionary Relationships
Cladograms
Evolution by Natural Selection
Requirements for Selection
Trang 19Effects of Disease on Populations
Practice: Life Science
PART 2 Physical Science
CHAPTER 7 Chemical Interactions
Structures of Matter
Atomic Particles
Ions and Isotopes
Molecules, Elements, and Compounds
Physical and Chemical Properties
Types of Chemical Reactions
Solutions and Solubility
Types of Electromagnetic Radiation
Uses and Dangers of Electromagnetic Radiation
Heat
Heat Transfer
Energy in Reactions
Endothermic Reactions
Trang 20Mass and Weight
Work and Machines
Simple Machines
Mechanical Advantage and Power
Practice: Physical Science
PART 3 Earth and Space Science
CHAPTER 10 Space Systems
The Age of Earth
The Solar System
Interactions Between Earth and the Solar System
The Universe
Age and Development of the Universe
Age and Development of Stars
CHAPTER 11 Earth Systems
The Structure of Earth
Tectonic Plates
Earth’s Atmosphere
Atmospheric Gases
Effects of Gases on Earth
Weathering and Erosion
Trang 21Practice: Earth and Space Science
Science Answers and Explanations
SOCIAL STUDIES
INTRODUCTION
The Social Studies Test
The Social Studies Review
The Top 25 Things You Need to Know for the GED® Social Studies Test
CHAPTER 1 Civics and Government
Types of Historical and Modern Governments
Basic Principles of American Constitutional Democracy
Structure and Design of the U.S Federal Government
The Legislative Branch
Trang 22The Executive Branch
The President’s Cabinet
The Judicial Branch
Amending the Constitution
The Bill of Rights
Citizens’ Rights and Civic Responsibilities
Political Parties
Political Campaigns, Elections, and the Electoral Process
Contemporary Public Policy
Practice: Civics and Government
CHAPTER 2 United States History
European Exploration of the Americas
The English Colony in Virginia
English Colonies in New England and Maryland
The Thirteen Colonies Take Shape
Tensions Rise Between the Colonies and Great Britain
The First Continental Congress and the Beginning of the AmericanRevolution
The Second Continental Congress and the Declaration of IndependenceThe Revolutionary War
From the Articles of Confederation to the U.S Constitution
The War of 1812
The Monroe Doctrine
U.S Policy Toward Native Americans
Manifest Destiny
Civil War and Reconstruction
The United States Becomes a Major Industrial Nation
The United States Becomes a World Power
World War I
The Great Depression
World War II
Postwar America
Trang 23The Cold War
The Civil Rights Movement and the Women’s MovementThe Great Society, the Vietnam War, and Watergate
Presidencies in the Late 20th and Early 21st Centuries
Issues Facing the United States at the Start of the 21st Century
Practice: United States History
CHAPTER 3 Economics
Fundamental Economic Concepts
Microeconomics and Macroeconomics
Microeconomics
Macroeconomics
Banking and Credit
The Role of Government in the National Economy
Geography and the Development of Human Societies
Human Changes to the Environment
Human Migration
Population Trends and Issues
Geography Tools and Skills
Practice: Geography and the World
CHAPTER 5 Focusing Themes
What Are Focusing Themes on the Social Studies Test?
The Earliest Civilizations
Early China
Early India
Trang 24Classical Greece
Rome
The Great Migration and the Middle Ages
Feudalism
The Middle East and Africa
Civilizations in the Americas
Renaissance and Reformation in Europe
The Scientific Revolution, the Enlightenment, and the Industrial RevolutionThe Age of Exploration
Building Empires
Revolutions in Britain and France
New Political Ideas in the 19th Century
Political Developments in 19th-Century Europe
World War I and the Russian Revolution
The Rise of Fascism
World War II
The End of European Dominance and the Formation of the European UnionThe End of the Soviet Union
China Today
The Arab World
Practice: Focusing Themes
Social Studies Answers and Explanations
POSTTESTS
How to Use the Posttests
Reasoning Through Language Arts (RLA) Posttest
Part 1: Multiple Choice
Part 2: Extended Response
Part 3: Multiple Choice
Answers and Explanations
Evaluation Chart
Mathematical Reasoning Posttest
Mathematics Formula Sheet
Trang 25Part 1, Questions 1–5: No calculator allowed Part 2: Calculator allowed
Answers and Explanations
Evaluation Chart
Science Posttest
Answers and Explanations
Evaluation Chart
Social Studies Posttest
Answers and Explanations
Evaluation Chart
GLOSSARY
Important GED® RLA Terms
Important GED® Math Terms
Important GED® Science Terms
Important GED® Social Studies Terms
Trang 26How to Use This Book
Welcome to McGraw-Hill Education: Preparation for the GED® Test! This
book contains practical test-taking information and review sections for each
of the test’s four sections It also contains a pretest and a posttest for everytest section It will give you the information and practice you need to do yourbest on test day For best results, follow this five-step plan:
1 Learn about the GED® test Read “Introducing the GED® Test”
beginning on page 1 In this section you will learn all about what subjectsthe test covers, how the test is structured, and how it is scored You willalso see examples of the different question types, including the interactivequestion formats that appear on the computerized test This section willalso give you valuable test-taking strategies that can raise your score, aswell as useful study suggestions and tips for test day
2 Start with the pretests The pretests in this book are modeled closely on
the real GED® test They have the same number and types of questions andthe same degree of difficulty Take each pretest as your first step in
preparing for each part of the real exam Use the Answers and
Explanations section to score yourself, and complete the Evaluation Chart
at the end of the test The chart will help you pinpoint your areas of
strength and weakness in your knowledge base and your skill set
3 Develop a study plan Use your results on the pretest to develop a study
plan Prepare to focus particularly on the topics that were difficult for you
on the pretest Set up a study schedule based on the amount of time youhave available The review sections of this book are broken into short,manageable chunks of information, so you can study one topic at a time atyour own pace A sample study plan for each test is included
4 Prepare for each test section The four main sections of this book provide
a complete review of the subjects you need to master in order to succeed
on the GED® test The Reasoning Through Language Arts (RLA) andMathematical Reasoning sections include numerous examples to illustratekey concepts The Science and Social Studies sections contain helpful
Trang 27charts and other graphics to clarify ideas and make learning easier TheRLA section also includes vital information on how to answer the
extended-response (essay) question Work through these sections at yourown pace, paying special attention to topics or question types that wereparticularly difficult for you on the pretests Check your understanding bycompleting the exercises and taking the practice quizzes you’ll find in eachsection
5 Take the posttests When you have completed your review for each test
section, take the corresponding posttest you’ll find at the end of the book.Like the pretests, the posttests are closely modeled on the real exam interms of question types, number of questions, and degree of difficulty Usethe posttests to check your progress, to gain experience with the GED® testformat, and to learn to pace yourself to get your highest score
Interactive Practice Tests
In addition to the pretests and posttests in this book, you will find two
additional, full-length sample tests on the bonus practice test app that
accompanies this book You can use this app on your smartphone or tablet Ifyou prefer studying with a computer or laptop, you can use the online version
of the app found on the companion website, MHE Practice Plus.
These interactive practice tests offer a number of features that will helpyou meet your study goals:
• You can choose whether to take a test section timed or open-ended,
depending on your practice goals
• When you finish a section of the test, you will immediately receive ascore that shows the percentage of correct answers
• Your scores will be saved so you can refer back to them and follow yourprogress
• Review mode allows you to see your answer and the correct answer
together (We hope they’re the same!) Here you’ll find concise and clearexplanations to more challenging questions Moreover, you’ll be able tosee the original question for reference If you exit a test section beforefinishing it you can simply return to where you left off at a later time
Trang 28Accessing the Practice Test App
If you take the practice tests on your tablet or smartphone, you will find thepractice test app to be the ideal companion to your study plans Depending onthe device you have, go to one of the following:
Apple → iTunes
Android → Google Play
Once you are at the appropriate app store, search “MHE Practice Test
App for the GED ® Test” and download.
Accessing the Practice Tests Online
To find the online version of the practice test app visit
mhprofessional.com/GEDTest Below the book’s illustration, open the tab
“Downloads & Resources.” Here, click on the link under “Practice Tests” andyou will be able to use the sample tests on your laptop or home computer
See page 24 for information on two bonus apps!
Trang 29Introducing the GED ® Test
Welcome to McGraw-Hill Education: Preparation for the GED® Test!
Congratulations on choosing the preparation guide from America’s leadingeducational publisher You probably know us from many of the textbooksyou used in school Now we’re ready to help you take the next step—and getthe high school equivalency credential you want
Before you start your study program, this chapter will give you a briefintroduction to the exam In the following pages, you’ll learn:
• The history of the GED® test and how it took its current shape
• The structure of each part of the GED® test
• How the test is scored
• Some basic test-taking strategies
• Some dos and don’ts for test day
About the GED ® Test
“GED®” stands for General Educational Development The GED® test iscommonly referred to as a “high school equivalency” test because passingscores on all the test sections are usually accepted as equal to a high schooldiploma
The GED® program started in 1942 during World War II Many youngpeople had joined the armed services before completing high school As away to help returning veterans reenter civilian life with the equivalent of ahigh school diploma, which would help them get better jobs or go on to
college, the U.S military asked the American Council on Education (ACE) todevelop the GED® test
The GED® test was revised several times over the years, but many things
Trang 30remained constant There were five separate test sections: Language
Arts―Reading, Language Arts―Writing, Social Studies, Science, and
Mathematics These were standard “paper and pencil” tests that featuredmostly multiple-choice questions In 2002 a computerized version of the testwas introduced It did not differ much from the paper-and-pencil version.ACE, a nonprofit organization, administered the GED® program until
2011 In that year, ACE formed a new partnership with Pearson, a majoreducational publisher, to create the GED® Testing Service The first majorgoal of the new joint venture was to overhaul the old GED® test series andcreate a new series of tests that use modern computer technology to measurecareer and college readiness
The 2014 version of the GED® test was a major departure from the 2002and earlier versions Some key differences are:
• There is no paper-and-pencil version of the test Only a computer version
• Multiple-choice questions have four, not five, answer options
There are some other major differences that are more important to test
designers and teachers than to test-takers like you, but in case you are
interested, here they are:
• Instead of using Benjamin Bloom’s Taxonomy for measuring the
difficulty of questions, the tests now use Norman Webb’s Depth of
Knowledge measurements
• Questions are aligned to the Common Core Standards rather than to
standards generated by various boards or groups of educators, as theywere in the past
Again, these are not changes you need to be concerned about These changestell the test designers what to test and how difficult to make each item
In February of 2014, a few additional changes were made to the test The