Browsing by subject or keyword is also an option. Java algebra Learning how to graph linear equations can be more fun than it sounds, provided you've got an interactive guide. Bremen High School in Midlothian, Ill., offers a site that guides students through this topic with the aid of Java applets and JavaScript wizardry. Created by a math and computer science teacher at the school, the site helps students understand everything from ordered pairs to perpendicular lines by means of interactive tutorials. Online quizzes and tests provide students with immediate feedback on their progress, and a glossary helps them understand unfamiliar terms.
Students can use an online calculator and a graph plotter to solve the problems.
Should they get stuck, help can be found by going to the message boards or the live discussion room. There's even an interactive crossword puzzle of mathematical terms. To help students think about this question, the World Bank has launched a web site that explores the social, economic, and environment aspects of sustainable development . Here, students can learn about such issues as population growth rates and access to safe water. The information is supplemented with maps, charts, data, photos, case studies, and a glossary.