https://www.activelylearn.com/

An e-reading platform that improves students' reading comprehension and retention by empowering teachers to reach students inside a book. Teachers can customize instruction, provide. real-time feedback, allow peers to collaborate, and get analytics on student performance.

https://www.ck12.org/teacher/

The CK-12 Foundation is a non-profit organization whose stated mission is to reduce the cost of, and increase access to, K-12 education in the United States and abroad. The CK12 Foundation provides teachers and students with free and customizable resources such as online textbooks, flashcards, simulations, real-world examples, and an online whiteboard platform.

http://www.discoveryeducation.com/

Discovery Education is the global leader in standards-based digital content for K-12, transforming teaching and learning with award-winning digital textbooks, multimedia content, professional development, and the largest professional learning community of its kind. Accelerate student achievement in your district by capturing the minds and imaginations of students with the fascination of Discovery, tapping into students’ natural curiosity and desire to learn.

https://www.duolingo.com/

Duolingo is a free language-learning platform that includes a language-learning website and app, as well as a digital language proficiency assessment exam. As of January 2019, the language-learning website and app offer 85 different language courses in 24 languages.

https://edpuzzle.com/

EdPuzzle is a tool that allows students to be engaged with educational videos while, at the same time allowing teachers to collect formative assessment data about the impact of the video on student learning. This is a great tool for teachers to use for videos that they assign students to view at home for homework. It can help make students accountable for viewing videos outside of the classroom freeing up classroom time for students to ask questions or interact with what they learned.

https://flipgrid.com/

Flipgrid is a website that allows teachers to create "grids" to facilitate video discussions. Each grid is like a message board where teachers can pose questions, called "topics," and their students can post video responses that appear in a tiled grid display. Grids can be shared with classes, small groups, or any collection of users interested in a common strand of questions. Each grid can hold an unlimited number of topics and each topic can hold an unlimited number of responses. Topics can be text-based or include a resource such as an image, video, Giphy, emoji, or attachment.

https://www.geogebra.org/

GeoGebra is an interactive geometry, algebra, statistics and calculus application, intended for learning and teaching mathematics and science from primary school to university level.

https://www.khanacademy.org/

Khan Academy was created in 2008 by Salman Khan with the goal of creating a set of free online tools that help educate students. The organization produces short lessons in the form of videos. Its website also includes supplementary practice exercises and materials for educators.

https://learnzillion.com

LearnZillion offers thousands of Math and English Language curriculum videos that have been developed by expert teachers directly from the Common Core State Standards. Thousands of exceptional lessons for teaching or learning the new standards. You don't have to start from scratch anymore.

https://newsela.com/

Newsela is a teaching tool that provides thousands of current events articles written at differing reading levels. It is used by over 10 million students nationwide. Newsela has become an important tool for teachers in developing comprehension in non-fiction reading and skills in navigating and evaluating media.

https://www.opened.com/profile/onboarding/create-profile

OpenEd is the only K-12 educational resource library focused on aligning resources to learning objectives. OpenEd aligns videos, games, and assessments to learning goals such as the Common Core

https://mainepublic.pbslearningmedia.org/

PBS LearningMedia provides direct access to thousands of classroom-ready, curriculum-targeted digital resources. Media resources are aligned to national standards and include videos and interactives as well as audio, documents, and in-depth lesson plans.

https://quizlet.com/

Quizlet is a mobile and web-based study application that allows students to study information via learning tools and games. It is currently used by two-thirds of high school students and half of university students in the United States.

https://app.wizer.me/

Create, share, or assign interactive worksheet with students online. Teachers can also modify worksheets created by others educators.