Links to the mentioned sites:

1. Jitsi - Completely free video conferencing.
https://meet.jit.si/
2. Edpuzzle - Make any video your lesson.
https://edpuzzle.com/
3. Tlk.io - A simple web chat.
https://tlk.io/
4. OneNote - Your digital notebook.
https://lnkd.in/eGbgh-3
5. Microsoft Forms - Easily create surveys, quizzes and polls.
https://forms.office.com/
6. Vocaroo - The premier voice recording service.
https://vocaroo.com/
7. Flipgrid - Empower every voice.
https://info.flipgrid.com/
8. Whiteboard.fi - Free online whiteboard tool.
https://whiteboard.fi/
9. AutoDraw - A drawing tool that pairs machine learning with drawings from talented artists.
https://www.autodraw.com/

Flipping the Classroom, an intermediate form of online teaching, can contribute to differentiated education. Students can take the regular lessons at their own pace outside the school walls. More classroom time is available for answering questions, individual attention, deepening of subjects, and coaching.

Alternatief mocht de kwaliteit van de Jitsi site niet voldoende zijn. Gratis beeldbellen via VC4ALL op basis van de Open Source software Jitsi. https://vc4all.nl/