Desmos hosts an incredible library of ready-made actitivities, or you can create your own custom activities. You can add your students, and watch their progress - and interact as they work.
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Gizmos, by Explore Learning has a vast library of interactive tools to explore math and science concepts. There are teaching materials, lessons, supports and activities as well.
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Knowledgehook has an extensive library of activities linked to the Ontario Curriculum, teacher supports, and the abiity to track student progress and growth.
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Mathies is an Ontario-based collection of digital tools that can be used to present, explore, and learn about a variety or mathematics concepts.
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