Desmos: This is a cool graphing calculator that comes with a whole bank of classroom activities.
Wolfram Demonstrations: This is a virtual resource bank that provides almost 3,000 interactive demonstrations on mathematics of all sorts.
NLVM (National Library of Virtual Manipulatives): NLVM is a library of interactive web-based virtual concept tutorials for K–12 mathematics instruction. Most are in the form of Java applets.
Learn Your Tables: Learn Your Tables is a great site for students to use to learn and develop their multiplication skills.
Language Arts Tools
VocabAhead: Learn vocabulary words from Grades 6-12, SAT, GRE or ACT using this free system for free. Watch videos, take quizzes, play crossword puzzles, create your own word lists. You can even share and import lists from others.
Visual Thesaurus: Visual Thesaurus is an interactive dictionary and thesaurus. It creates word maps that blossom with meanings and branch to related words.
Visuwords: Visuwords is an online graphical dictionary. Look up words to find their meanings and associations with other words and concepts. Your search will produce a diagram that illustrates how words associate with each other.
English Sentence Machine: This is an entertaining cross between Mad-Lib and a random sentence generator. It’s super-fun to use an learn with.
Project Gutenberg: Project Gutenberg was the first provider of free electronic books. It remains one of the best free ebook sites out there.
Periodic Videos: This is another interactive periodic table that explores the elements using video lessons. Click on any element and its related content comes up.
NASA Solar System Exploration: Explore the solar system at your own pace with this series of interactive features. Find out what’s unique about the planets, comets and asteroids in our solar system.
Visible Body: Visible Body’s 3D anatomical models are beautiful and richly detailed. They have apps for learning about anatomy and micro-anatomy, physiological processes, and pathologies.
Social Studies/History Tools
Newsela: This is an educational literacy and current events site. You can explore it as either a student or a teacher.
Museum Box: Museum Box is a tool for students to build a project focusing on an event, person or historical period by placing items in a virtual box.
History Animated: History Animated is just like it sounds. It provides detailed animations of key battles of the American Civil War, Revolutionary War, and World War II.
On This Day: This fun tool showcases daily historical facts and events. You can also see famous birthdays, world history, music history, and a quote of the day.
National Archives Museum: This site invites you to explore famous historical events. Records are preserved for researching any historical topic that interests learners.
Google LIFE Archive: This is a resource bank for obscure and intriguing historical images. It has millions of photographs from the LIFE photo archive from the 1750s to present day. Most of these were never used and are now available for the first time.
MapMaker Interactive: This is a highly customizable mapmaking tool. Explore information about countries and territories around the world, and see Earth coordinates from any location. Use markers, colours, lines, or shapes to tell your story on MapMaker by adding in text, photos, and videos with the rich editing tool.
Timelines.tv: This is a website for online history videos and documentaries. Started in 2010, it’s a free-to-use resource for students, teachers, and lifelong learners.
The Bradshaw Foundation: The Bradshaw Foundation provides an online learning resource. Its main areas of focus are archaeology, anthropology and genetic research.
Padlet: Padlet is a collaborative bulletin board tool that’s easy to use and fun to share. With Padlet you can add images, links, videos, and more.
Alice: Alice is educational software that uses a 3D environment to teach kids computer programming.
Interactive Sites for Education: This site features a bank of interactive lessons on plenty of subjects. There’s 4-core instruction plus subjects like typing, art, music, and more. Teacher tools are featured here as well.
Ghost: A simple, elegant, bare-bones blogging platform. It’s got features that every intuitive blogger needs, be they a beginner or a pro.
Screencast-O-Matic: This is a fast free app for making good quality screen recordings for all kinds of school projects.
Slides.com: Slides is for creating, presenting and sharing slide decks. There’s nothing to download, either—it works right in your browser.
Classroom Management Tools
Kahoot: Kahoot creates online learning games in minutes. They begin with a series of multiple choice questions. You can then add videos, images and diagrams to your questions to amplify engagement.
Quizlet: Quizlet is a free website of “study set” tools for students. It includes flashcards, and study and game modes. Right now, there are over 40 million user-created study sets on Quizlet and counting.
Wizer.me: Wizer.Me is a free tool for teachers to create their own interactive learning worksheets for any subject.
Start.me: This is a web-based personal start page with an integrated bookmarks manager. It features a library of thousands of widgets that help you connect to popular services and custom data sources.