Solving Equations Ask Dr. Math Features questions and answers on solving equations as well as many other topics in algebra. The user can also submit a new question. (Drexel University, Philadelphia, PA) Math for Morons Like Us Provides information on subjects from pre-algebra to calculus. A student-generated ThinkQuest site, each subject contains subtopics and quizzes. In addition, this student-generated site has message boards, a formula database, and math links. (ThinkQuest Inc., Redwood Shores, CA) S.O.S. Math: Solving Equations Presents examples and detailed solutions of several types of equations including linear and absolute value equations. (Math Medics, LLC, El Paso, TX) Purplemath: Practical Algebra Lessons Offers four tutorials on solving equations, including linear, absolute value, and radical equations. These are listed under the beginning algebra topics. Intermediate and advanced algebra topics are also covered. (Elizabeth Stapel, Braden Bryce Publishing, Phoenix, AZ) Solving Word Problems Offers FAQs, tips, and examples with solutions of typical word problems from algebra and science. (Howard C. McAllister, Ft Myers, FL) Interactive Mathematics: Algebra Offers several algebra applets including one for solving linear equations using a balance beam. (MATTI Associates LLC, Utah State University, Logan, UT) Problems with a Point Provides a range of lessons, some of which incorporate technology. The user can search by math topic and subtopic; math background; problem solving skills; type of technology; and keywords. Each lesson presents a short description of the activity, the technology required (if any), and printable versions of the problems, hints, and solutions. (Education Development Center, Inc., Newton, MA) Math Practice Questions Features multiple-choice questions based on Ohio's 9th Grade Proficiency Test. When an incorrect answer is selected, a detailed explanation of the correct answer is provided. Answering the questions requires arithmetic, geometry, and algebra problem-solving skills. (Glenn Learning Technologies Project, NASA, John H. Glenn Research Center, Cleveland, OH) Earth Math Projects Uses mathematics (algebra to calculus) to study environmental science and real-life problems. Instructor materials and student modules detail various projects and provide data or methods of data collection for the creation of mathematical models. A Tool Chest provides applets for computation, instruction, and experimentation. Science topics include fuel economy, streamflow, and population while the math topics include solving equations, regression, and composite and trig functions. (Lynn Onken, San Juan College, Farmington, NM and Kennesaw State University, GA) Online Tools PC Math Tools Provides interactive tools for algebra and geometry exploration. The Algebra Tiles Explorer allows students to use positive and negative tiles to represent and solve algebraic equations. Students can manipulate and view 3D figures from several perspectives with the Volume and Surface Area Explorer. The Transformation Explorer allows the investigation of one or more transformations (translations, rotations, reflections, and dilatations) of a geometric figure positioned on a coordinate grid. These tools require a download but then can be run without an Internet connection. (South Central Interior Distance Education School, Merrit, Canada) QuickMath: Automatic Math Solutions Focuses on solving equations that are randomly generated or that the user enters. Includes a step-by-step explanation of the solution. (Ben Langton, Ph.D., Sydney, Australia) Webmath Provides math help solving student-entered equations. From the category Solving Equations, select One Equation or Numerically. An estimation feature allows the user to enter an interval in which the solution may be found. (Webmath Company, San Luis Obispo, CA) Algebra Worksheet Generator Generates a customized equation worksheet and answer sheet. Number of problems as well as types of equations (simple, systems, quadratic) can be selected. (Math.com, Los Angeles, CA) Mathematics Gateways Math Archives: Algebra Provides extensive links to algebra sites with appropriate academic levels and interactivity noted. The site emphasizes materials than can be used in teaching. (University of Tennessee, Knoxville, TN) New York Times Daily Lesson Plans: Mathematics Provides an archive of lesson plans in mathematics. (New York Times, New York, NY) A Selection of Mathematics Web Sites Features a large number of web resources that cover many areas of mathematics including algebra, data analysis, and geometry. Scroll down for links from around the world that provide tutorials, interactive sites, dictionaries, and games appropriate for secondary mathematics. (iCT Training Center, Oundle School, Peterborough, United Kingdom)