Online Math Whiteboard

Sketch, solve and explain math on a free whiteboard that opens instantly in your browser. Switch the background to graph paper or a coordinate plane, draw straight lines and circles, then save your work as an image.

How to use the whiteboard

1. Pick a tool: pen, line, rectangle, circle or eraser.
2. Choose a color and thickness, and a background such as grid or coordinate axes.
3. Draw with a mouse, finger or stylus. Undo steps back; Save PNG downloads your board.

Ideas for math

• Graph lines and parabolas on the coordinate axes background.
• Draw geometry figures with exact straight lines and circles.
• Work long division or fractions on lined paper.
• Share your screen in an online lesson and use full screen mode.

Privacy

Everything stays in your browser. Nothing is uploaded; refreshing the page clears the board, so save a PNG to keep your work.

Online Math Whiteboard quiz: 10 questions

Test yourself with 10 multiple-choice questions. Choose an answer and press Submit to see if you are right and why. Your score appears at the end.

Frequently asked questions

Is this whiteboard free?

Yes, with no sign-up and no limits.

Can I use it on a tablet?

Yes. It supports touch and stylus input.

Can students collaborate on it?

It is a single-user board; share your screen for others to watch.

How do I save my work?

Press Save PNG to download an image of the board.

Can I draw a coordinate plane?

Choose the Coordinate axes background for a labeled grid.

Sources

• OpenStax Prealgebra 2e: The Rectangular Coordinate System

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