https://www.mathwhiteboard.com/“>Math Whiteboard is the First Collaborative Whiteboard designed specifically for Mathematics Teaching and Learning. It’s FREE for teachers and students too!
With Math Whiteboard you can import PDF files as backgrounds which is great for putting an exam question in and using the space to work out your answer. You can also use it as a Graphing Calculator and even use it’s handwriting recognition to fully utilize a touchscreen Chromebook and write out your equations.
There’s no installation necessary, it just runs in your browser on any device!
Click an image below to go straight to an example whiteboard: