Intermediate Algebra

John Tobey received his BA in mathematics from Wheaton College in Wheaton, Illinois, in 1965, his MA in mathematics education from Harvard University in 1966, and his PhD in mathematics education from Boston University in 1980. He has taught in the mathematics department at the United States Military Academy at West Point and served as the Mathematics Department Chairman at North Shore Community College in Danvers, Massachusetts, for five years. John has served as the president of the New England Mathematics Association of Two Year Colleges. He has received the NISOD award for outstanding teaching from the University of Texas at Austin. John is the author of seven mathematics books published by Pearson Education. John has spoken to many mathematics departments and at many professional meetings throughout the country on the topic of developmental mathematics education and distance learning in mathematics. He lives in Massachusetts.Jeffrey Slater has been a professor at North Shore Community College for thirty-eight years and received the Teacher of the Year award in 2002. Jeff travels around the country speaking on student retention and is also a consultant to the Federal Government. He lives in Lexington, Massachusetts, with his wife Shelley and his yellow lab Gracie.Jamie Blair has directed the Mathematics Learning Center at Orange Coast College for the past seventeen years. She designed, developed, and implemented the center, and as a result of this effort, has provided technical expertise related to the particulars of the Math Center to numerous other two-year colleges and at many conferences. In 2007, Jamie was appointed to the Team of Basic Skills Specialists by the California State Academic Senate. She is also currently participating on Title 3 committees on her campus. She specializes in teaching students who have never been successful in mathematics. She is an expert in the area of basic skills in relation to the learning needs of students. She lives in California.Jennifer Crawford received her BS in mathematics from the University of Minnesota–Duluth in 1995 and her MS in mathematics from the University of Minnesota–Twin Cities in 1998. She taught a wide range of courses at North Shore Community College in Danvers, Massachusetts for five years. She currently teaches at Normandale Community College in Bloomington, Minnesota, where her focus is working with developmental math students. She lives in Minneapolis, Minnesota, with her husband, two young children, and black lab.

• Table of Contents Whole Numbers 1.1 Understanding Whole Numbers1.2 Adding Whole Numbers1.3 Subtracting Whole Numbers1.4 Multiplying Whole Numbers1.5 Dividing Whole Numbers1.6 Exponents and Order of Operations1.7 Rounding and Estimating1.8 Solving Applied Problems Involving Whole NumbersCareer ExplorationsChapter 1 OrganizerChapter 1 Review ProblemsChapter 1 TestMath CoachFractions 2.1 Understanding Fractions2.2 Simplifying Fractions2.3 Converting Between Improper Fractions and Mixed Numbers2.4 Multiplying Fractions and Mixed Numbers2.5 Dividing Fractions and Mixed Numbers2.6 The Least Common Denominator and Creating Equaivalent Fractions2.7 Adding and Subtracting Fractions2.8 Adding and Subtracting Mixed Numbers and the Order of Operations2.9 Solving Applied Problems Involving FractionsCareer ExplorationsChapter 2 OrganizerChapter 2 Review ProblemsChapter 2 TestMath CoachDecimals 3.1 Using Decimal Notation3.2 Comparing, Ordering, and Rounding Decimals3.3 Adding and Subtracting Decimals3.4 Multiplying Decimals3.5 Dividing Decimals3.6 Converting Fractions to Decimals and the Order of Operations3.7 Estimating and Solving Applied Problems Involving DecimalsCareer ExplorationsChapter 3 OrganizerChapter 3 Review ProblemsChapter 3 TestMath CoachRatio and Proportion 4.1 Ratios and Rates4.2 The Concept of Proportions4.3 Solving Proportions4.4 Solving Applied Problems Involving ProportionsCareer ExplorationsChapter 4 OrganizerChapter 4 Review ProblemsChapter 4 TestMath CoachPercent 5.1 Understanding Percent5.2 Changing Between Percents, Decimals, and Fractions5.3A Solving Percent Problems Using Equations5.3B Solving Percent Problems Using Proportions5.4 Solving Applied Percent Problems5.5 Solving Commission, Percent Increase or Decrease, and Interest ProblemsCareer ExplorationsChapter 5 OrganizerChapter 5 Review ProblemsChapter 5 TestMath CoachMeasurement 6.1 American Units6.2 Metric Measurements: Length6.3 Metric Measurements: Volume and Weight6.4 Converting Units6.5 Solving Applied Measurements ProblemsCareer ExplorationsChapter 6 OrganizerChapter 6 Review ProblemsChapter 6 TestMath CoachGeometry 7.1 Angles7.2 Rectangles and Squares7.3 Parallelograms, Trapezoids, and Rhombuses7.4 Triangles7.5 Square Roots7.6 The Pythagorean Theorem7.7 Circles7.8 Volume7.9 Similar Geometric Features7.10 Solving Applied Problems in GeometryCareer ExplorationsChapter 7 OrganizerChapter 7 Review ProblemsChapter 7 TestMath CoachStatistics 8.1 Circle Graphs8.2 Bar Graphs and Line Graphs8.3 Histograms8.4 Mean, Median, and ModeCareer ExplorationsChapter 8 OrganizerChapter 8 Review ProblemsChapter 8 TestMath CoachSigned Numbers 9.1 Adding Signed Numbers9.2 Subtracting Signed Numbers9.3 Multiplying and Dividing Signed Numbers9.4 Order of Operations with Signed Numbers9.5 Scientific NotationCareer ExplorationsChapter 9 OrganizerChapter 9 Review ProblemsChapter 9 TestMath CoachIntroduction to Algebra 10.1 Variables and Like Terms10.2 The Distributive Property10.3 Solving Equations Using the Addition Property10.4 Solving Equations Using the Division or Multiplication Property10.5 Solving Equations Using Two Properties10.6 Translating English to Algebra10.7 Solving Applied ProblemsCareer ExplorationsChapter 10 OrganizerChapter 10 Review ProblemsChapter 10 TestMath Coach