具体描述
Get ready for the GED Our test experts will show you how to master the Mathematics section of the GED. REA's in-depth GED review of Mathematics covers all subject areas found on the exam: fractions, decimals, percents, algebra, and more. Features 2 practice tests that thoroughly evaluate your skills and knowledge of the subject matter. Each practice exam question is fully explained to help you better understand the subject material. Use the book's glossary and appendix for speedy look-up of key formulas and terms. Follow up your study with REA's proven test-taking strategies and powerhouse drills that get you ready to master the GED and get your high school equivalency diploma. DETAILS- Detailed review of every possible Mathematics exam topic to appear on the GED exam - Packed with proven test tips, strategies and powerhouse drills to help you master the GED- Diagnostic pre-test that pinpoints your GED strengths and weaknesses.- Post-Test that evaluates your progress as you studies proceed- Each practice exam question is answered with easy-to-follow, easy-to-grasp explanations that allow for greater understanding of a problem.- Comprehensive glossary and appendix for speedy look-up of important terms and formulas. TABLE OF CONTENTS IntroductionAbout this BookAbout the GEDHow to Use this BookAbout Research and Education AssociationAcknowledgementsPre-Test Answer KeyPre-Test Self-EvaluationAnswers and ExplanationsWhole NumbersIntroduction to Whole NumbersAddition of Whole NumbersSubtraction of Whole NumbersMultiplication of Whole NumbersDivision of Whole NumbersReviewFractionsIntroduction to FractionsAddition of FractionsSubtraction of FractionsDivision of FractionsReviewDecimalsIntroduction to DecimalsAddition of DecimalsSubtraction of DecimalsMultiplication of DecimalsDivision of DecimalsReviewMiscellaneous TopicsAveragesCubes and RootsMeasurementReviewPercentsIntroduction to PrecentsPercent Problems - Working with PercentsReviewAlgebraIntroduction to AlgebraIntegers and Real NumbersMultiplication and Division of MonomialsOperations with PolynomialsSimplifying Algebraic ExpressionsEquationsLinear EquationsInequalitiesReviewAdvanced TopicsProbabilityStatisticsGeometryGraphsMulti-Step Word ProblemsData AnalysisReviewPost-TestAnswer KeyPost-Test Self-EvaluationAnswers and ExplanationsGlossary of Symbols, Terms, and FormulasAppendix EXCERPT About Research and Education AssociationResearch and Education Association (REA) is an organization of educators, scientists, and engineers specializing in various academic fields. Founded in 1959 with the purpose of disseminating the most recently developed scientific information to groups in industry, government, high schools, and universities, REA has since become a successful and highly respected publisher of study aids, test preps, handbooks, and reference works. REA's Test Preparation series includes study guides for all academic levels in almost all disciplines. Research and Education Association publishes test preps for students who have not yet completed high school, as well as high school students preparing to enter college. Students from countries around the world seeking to attend college in the United States will find the assistance they need in REA's publications. For college students seeking advanced degrees, REA publishes test preps for many major graduate school admission examinations in a wide variety of disciplines, including engineering, law, and medicine. Students at every level, in every field, with every ambition can find what they are looking for among REA's publications. While most test preparation books present practice tests that bear little resemblance to the actual exams, REA's series presents tests that accurately depict the official exams in both degree of difficulty and types of questions. REA's practice tests are always based upon the most recently administered exams, and include every type of question that can be expected on the actual exams. REA's publications and educational materials are highly regarded and continually receive an unprecedented amount of praise from professionals, instructors, librarians, parents, and students. Our authors are as diverse as the fields represented in the books we publish. They are well-known in their respective disciplines and serve on the faculties of prestigious high schools, colleges, and universities throughout the United States and Canada. ABOUT THIS BOOKThis book is designed to help you strengthen the reading comprehension skills you will need to take the "Mathematics" test of the General Educational Development (GED) Examination. A Pre-Test section in the beginning of this book will help you assess the areas where you need to work the hardest. After you have completed the review areas and answered all of the drill questions, you will be given a Post-Test that will show your improvement in certain areas and show you which areas you still need to study. In the Post-Test section you will answer questions very similar to those you will face on the actual GED. The Pre-Test and Post-Test provide detailed explanations to all of the questions, illustrating not only why the correct answer choice was right, but also why the incorrect answer choices were wrong. The reviews cover all areas tested on the Mathematics test of the GED examination. Sections on Whole Numbers, Decimals, Fractions, Percents, Algebra, and other areas of mathematics are covered extensively. Each section contains a drill so you can monitor your progress as you use this book. By mastering the skills presented in this book, you will be able to approach mathematics with confidence. ABOUT THE GED
作者简介
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这本书，说实话，我刚拿到手的时候心里是有点打鼓的。毕竟“The Best Study Series for GED Mathematics”这个名字听起来就挺雄心勃勃的，让人不禁想，它真的能担得起这个“最佳”的称谓吗？我本身对数学就有点怵头，尤其是GED考试那种涵盖面广、要求应用能力的测试，更让我感到压力山大。翻开这本书，第一印象是它的排版布局非常清晰，色彩搭配也比较柔和，长时间阅读下来眼睛不会太累。内容上，它似乎非常注重基础概念的梳理，每一个知识点都会用不同的方式进行解释，有文字描述，也有图形辅助，这一点我很欣赏。比如讲到代数中的二次方程时，它不仅给出了公式推导，还配上了生活中的实际应用场景，让我这个“理论苦手”也能大致明白这些公式究竟是用来干嘛的。而且，书中穿插了不少“小贴士”和“常见陷阱”的提醒，这些往往是光靠自己啃教材啃不出来的经验之谈，感觉就像请了一个经验丰富的家教在旁边耳提面命。不过，对于那些已经有扎实基础，只想快速冲刺高分的人来说，这本书的前半部分可能略显冗长，毕竟它花费了大量的篇幅来确保每一个学习者都能跟上节奏，而不是直接跳到高难度例题上去。整体感觉是，它更像是一个耐心且循序渐进的导师，而不是一个快刀斩乱麻的速成秘籍。
我得承认，刚开始用这本书的时候，我有点被它的“题海战术”给吓到了。但当我真正沉下心来做题时，才体会到这背后的良苦用心。这本书的习题量是相当可观的，而且它的难度梯度设置得非常科学。从最基础的“热身练习”到中等的“知识点巩固”，再到最后的“模拟实战”，每一步的难度爬升都非常平滑。最棒的一点是，它的答案解析部分简直是教科书级别的细致。不像有些辅导书，答案只是给出一个简短的计算过程，这本书的解析部分会把每一步的逻辑依据、可能出现的计算错误点，甚至是不同的解题路径都写得清清楚楚。我经常在自己做对一题之后，还会特意去看解析，看看有没有我没想到的捷径或者更规范的表达方式。这种对比学习的效果非常好，它不仅教会了我如何得到正确答案，更重要的是，教会了我如何以一种“数学家”的思维去构建我的解题过程。唯一的缺点可能在于，如果你的时间极其紧张，你可能需要学会筛选，不一定非要做完每一道题，而是重点攻克那些你一开始就觉得困难的题型，否则时间会被大量习题给占去。
老实讲，市面上的GED数学复习资料琳琅满目，但很多都只是把历年真题的答案排列组合一下，缺乏体系化的重构。然而，这本书明显投入了巨大的心血去构建一个连贯且逻辑严密的学习体系。我用过好几本其他材料做对比，发现这本书在“统计与概率”这部分的处理上是独树一帜的。它没有把这部分内容当成数学的附庸，而是给予了和代数、几何同等甚至更高的重视。它详细讲解了如何解读图表、如何计算标准差，甚至还涉及了一些关于数据偏差和有效性的批判性思考。这让我意识到，GED考试考察的不仅仅是运算能力，更是对现代社会中信息处理能力的一种测试。这本书的章节之间衔接得非常自然，比如学完基础的比例关系后，紧接着就用它来解决金融数学中的复利问题，这种知识的迁移和应用是潜移默化的。如果非要吹毛求疵，也许印刷质量可以再提高一些，因为某些插图的线条在低光环境下看起来略显模糊，但这绝对不影响其作为一本高质量学习资料的核心价值。
说真的，这本书的深度和广度让我感到惊讶，它绝对不是那种只停留在表面、应付考试的肤浅教材。我尤其喜欢它在章节末尾设置的那些“综合应用模块”。这些模块里的题目设计得非常巧妙，往往需要将前面学到的好几个不相关的知识点（比如几何中的面积计算和统计学中的数据分析）糅合在一起才能解出来。这完全模拟了真实GED考试的风格，因为考试不会孤立地考查某个孤立的定理，它更看重的是你整合信息和解决复杂问题的能力。我试着做了几套模拟测试，发现自己最薄弱的地方往往就是这种跨章节的整合题。这本书的作者显然深谙此道，他们提供的解题思路不是简单的“套公式”，而是引导你去思考“为什么用这个公式”以及“还有没有其他更高效的解法”。而且，对于那些我一直搞不懂的概率问题，它居然用了很多基于现实世界数据的例子，比如彩票中奖的几率分析，或者天气预报的准确性评估，一下子就让枯燥的理论鲜活了起来。当然，这种深度也意味着你需要投入大量的时间和精力去消化。如果你指望一个晚上就能看完一章，那基本是在做梦，因为它要求你动手计算，反复推敲每一个步骤背后的逻辑链条。
这本书给我的感觉是，它不仅仅是一本应试工具书，更像是一套完整的数学思维重塑训练计划。它的语言风格非常专业但绝不晦涩，作者在行文中保持着一种沉稳、鼓励的语调，这对于像我这样经常在数学面前感到焦虑的人来说，非常重要。它很少使用那种浮夸的口号来鼓动你，而是通过扎实的理论构建和逻辑推导来建立你对数学知识的信心。我特别喜欢它在介绍一些相对复杂的几何概念时，所采用的“先建立空间感，再进行代数运算”的策略。例如，在讲解三维图形的体积和表面积时，它不满足于只给公式，而是通过大量的剖面图和折叠展开图的对比，让你仿佛真的能用手触摸到那个图形一样。这对于视觉学习者来说简直是福音。当然，对于那些习惯于死记硬背的考生来说，这本书可能需要一个适应期，因为它始终在强调理解和应用，而不是单纯的记忆。如果能将这本书的内容完全吸收，我相信通过GED考试绝对不在话下，因为这本书所训练的能力已经超越了考试本身的要求，具备了应对大学初级数学课程的能力。
