Sandra Rush - GED® Math Test Tutor, For the 2021 GED® Test, 2nd Edition

Research & Education Association

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GED Math Test Tutor, 2nd Edition

Published 2017

Copyright 2016 by Research & Education Association, Inc.
Prior edition copyright 2014 by Research & Education Association, Inc. All rights reserved. No part of this book may be reproduced in any form without permission of the publisher.

Printed in the United States of America

Library of Congress Control Number 2015959982

ISBN-13: 978-0-7386-1210-2

ISBN-10: 0-7386-1210-3

LIMIT OF LIABILITY/DISCLAIMER OF WARRANTY: Publication of this work is for the purpose of test preparation and related use and subjects as set forth herein. While every effort has been made to achieve a work of high quality, neither Research & Education Association, Inc., nor the author and other contributors of this work guarantee the accuracy or completeness of or assume any liability in connection with the information and opinions contained herein and in REAs software and/or online materials. REA and the author and other contributors shall in no event be liable for any personal injury, property or other damages of any nature whatsoever, whether special, indirect, consequential or compensatory, directly or indirectly resulting from the publication, use or reliance upon this work.

Trademarks: GED and GED Testing Service are registered trademarks of the American Council on Education (ACE) and may not be used or reproduced without express written permission. The GED and GED Testing Service brands are administered by GED Testing Service LLC under license from the American Council on Education. ACE and GED Testing Service LLC have not approved, authorized, endorsed, been involved in the development of, or licensed the substantive content of this material. MultiView is a trademark of Texas Instruments Incorporated. All other trademarks cited in this publication are the property of their respective owners.

Cover image: iStockphoto.com/fleaz; iStockphoto.com/Ma_co

Sandra Rush earned a Bachelor of Arts degree in mathematics from Temple University in Philadelphia. While an undergraduate student, she served as a math tutor for members of the basketball team as well as for local public school students. In these early years of her own higher education, she realized that teaching mathematics had a special appeal.

When awarded a research assistantship and later a Ford Foundation Fellowship for an advanced degree in the Department of Atmospheric Sciences at the University of California, Los Angeles, Sandra pursued graduate school and earned a Master of Arts degree in ionospheric physics. Upon graduation, however, she turned down offers to become a physicist in favor of a career as a mathematics instructor at the secondary school level. She quickly became chair of the mathematics department at Notre Dame Academy in Massachusetts.

At about that same time, she tutored the first of several young adults pursuing a high school equivalency certificate. That student passed the math portion of the test on her first attempt, and with the certificate she was able to advance in her career. Sandra was hooked on teaching. She has taught mathematics and physics from the junior high school to university levels in three states. Sandra has also continued her side career of tutoring and coaching students at all levels. Her one-on-one approach with young adults has yielded excellent results.

Sandras interest in education has extended beyond the classroom to the field of publishing, including writing and editing manuals on preparation for standardized tests at all levels. This book is the latest of her efforts to make mathematics both understandable and enjoyable for generations of students.

I think that people read acknowledgments just to see whether their names are mentioned (and spelled correctly). Authors write acknowledgments to give thanks to people who have been significant in encouraging their efforts. My list begins with my children, Mike and Kara, who have always supported me in my endeavors, no matter how bizarre they sometimes seemed. My twin sister Sue and friends Joann, Carol, Dave, and Herb have provided much-appreciated day-to-day support and love. My longtime friends from Humanities have influenced me and given me confidence in my abilities. Thank you all, even those who touched my life but whose names arent specifically mentioned here.

This book is dedicated in memory of two of my high school teachers, Erasmo S. Ciccolella, who taught me how to write, and Frederick W. Drewes, who encouraged my love of math. What a profound and lasting influence great teachers have on their students.

Founded in 1959, Research & Education Association (REA) is dedicated to publishing the finest and most effective educational materialsincluding study guides and test prepsfor students of all ages.

Today, REAs wide-ranging catalog is a leading resource for students, teachers, and other professionals. Visit www.rea.com to see a complete listing of all our titles.

We would like to thank Leanne Fucci, M.S., for her technical edit. Ms. Fucci has taught Adult Basic Education and been a GED instructor for nearly two decades. We also extend gratitude to veteran math instructors Steve Reiss and Stu Schwartz for their readthrough and feedback.

In addition, we would like to acknowledge the team that brought this book to market: Pam Weston, Publisher, for setting the quality standards for production integrity and managing the publication to completion; Larry B. Kling, Director of Editorial Services, for coordinating development of this edition; Diane Goldschmidt, Managing Editor, for proofreading and continuity check; Caragraphics for typesetting this edition; and Eve Grinnell, Graphic Designer, for cover design and preflighting.

REA gratefully acknowledges Texas Instruments permission to use an image of the TI-30XS MultiView calculator.

REA has made every effort to ensure this test-prep product is fully aligned to the GED test itself. To do so, we have worked directly with GED Testing Service. This book, prepared under the supervision of GED Testing Service, is guaranteed to cover 100% of the test objectivesfully and accurately.

Drop us a line at to let us know how well this book prepared you for the test.

This introductory chapter is as important as any of the following chapters. The subject review chapters will show you what you need to know about mathematics for the GED test, but if you dont know how to take the test and what to expect, you may not be successful, even if you understand the math. To be successful with the GED Mathematical Reasoning test, it is essential that you know three skill sets: math skills, calculator skills, and some computer skills.

For all three skill sets, practice, practice, practice will pay off. This book helps with the mathematical reasoning skills, so read the book carefully and be sure you understand each section before you advance to the next. Numerous examples will give you the practice and confidence you need to do well. To paraphrase GED Testing Service, its not just about knowing how, but rather why!