Tools

  • Build Your Own Camera and Explore the Science and Engineering of Photography As the number of gadgets and gizmos available for purchase grows, there is a decreasing number of opportunities for kids to build their own toys. It’s not only a matter of convenience; it’s become increasingly difficult for do-it-yourself projects to compete with cheap mass-produced products that incorporate fancy electronics. We’ve featured DIY resources and social ...
  • Euclidean Geometry As a Game In Your Browser Euclidean geometry is one of the most beautiful math topics that is part of the standard school curriculum, yet it is consistently butchered by standard teaching practices. Even more surprising is that straight edge and compass constructions are usually excluded from geometry classes instead of being used as a way to lure students in. Using ...
  • Better Explained: A Site That Develops Your Intuition When learning mathematics, you need a concrete mental representation of the often extremely abstract ideas that you need to internalize. Unfortunately, most math books, even good ones, don’t provide the needed intuition. Fortunately, Kalid Azad has come to the rescue with Better Explained, a site dedicated to helping anyone learning a new subject develop a ...
  • DIY.org: A Social Network for Young Engineers and Inventors Do-it-yourself projects are vital components of a good STEM education, but until recently there have not been good online DIY resources targeting kids. DIY.org, a social network designed for children to share their creations with each other, seeks to change that. The site lets kids learn from each other and from a growing collection of ...
  • Wolfram Alpha: A Computational Knowledge Engine with Educational Applications Sometimes one discovers a tool that is incredibly useful, yet surprisingly not as widely known as it should be. Wolfram Alpha, an intelligent search engine that responds to queries with answers as opposed to a list of links, has been around since 2009, but many teachers and students still haven’t heard of it. This is surprising ...
  • NRICH: An Organized Collection of Math Enrichment Problems and Activities If you liked the expository writing in Plus Magazine, you may enjoy Nrich, a sister project from Cambridge University. The site features hundreds of math problems and activities organized by grade and ability level, as well as by topic. Although Nrich has a section for students, teachers who need to prepare lesson plans may find ...
  • Plus Magazine: A Collaboration Between Mathematicians and Educators Unfortunately, too many of the English language math textbooks that students see on a daily basis are written exclusively by professional educators without any serious input from mathematicians. As a result, these books are too much about teaching procedures and not enough about inspiring future mathematicians and scientists. At the other extreme, textbooks (usually at ...
  • Instructables: A Place To Learn Do-It-Yourself Engineering An oft-repeated maxim is that learning by doing is the best type of learning. As easy as it is to believe, it seems that humanity, at least the part living in the developed world, is quickly moving in the direction of complete dependance on complicated gadgets designed by high tech companies that recruit brilliant scientists. ...
  • Cut-the-Knot: A Hidden Treasure Trove of Mathematical Miscellany The Web may contain almost every possible problem, puzzle, and article imaginable, but it’s decentralized nature makes it’s hard to locate good content in a sea of endless tutorials, amusing pictures, and commercial promotions. If you’re trying to find extracurricular mathematical materials you need to know where to look, but more importantly, what to look ...
  • A Search Engine for Massive Open Online Courses The number of Massive Open Online Courses (MOOCs) is growing rapidly and it is becoming increasingly difficult to keep track of available courses as well as their starting dates. Class Central is a site that attempts to alleviate this problem by cataloging available courses and offering a search engine to help you find what you’re ...