BlendSpace - interactive lessons, presentations, and more
Class Flow - Create and deliver interactive lessons
Near Pod - create, engage, assess through interactive lessons
Pear Deck - create interactive lessons
Swipe - web tool for creating interactive presentations
Ted Ed - create interactive lessons
CK-12 - Excellent interactive site with variety of activities by standards. Science and Math
Edheads - Edheads is an online educational resource that provides free science and math games and activities that promote critical thinking. For grades 1-8.
IXL - Practice for students that will feel like play. Lessons on math and English.