Blackboard Lab · live studio

Teach the next step.

Prepare one worked problem, open the clean audience board, then reveal each step as you explain it. The board fits vertical or wide stream layouts.

Lesson title Problem viewers see Your worked steps

One step per line. Put a short spoken explanation after |. Check the mathematics yourself before going live.

Final answer Audience format

Presenter controls

Run the solution

Keyboard: → or Space reveals the next step; ← goes back. The audience board has no buttons or editing controls.

Open the audience board in the same browser, then capture that window in your streaming software. On a Mac, use OBS’s macOS Screen Capture source. Keep this studio on your own screen. The two windows sync locally; no viewer data or account is needed.