Google Slides Countdown Timer

Add visible timing to class presentations, speaking drills, and quiz review sessions. Create your timer once, then share the link inside your Slides deck notes or class chat so everyone tracks the same deadline.

Direct Setup

  1. 1. Build your timer at CountdownShare.
  2. 2. Open the timer in fullscreen on your teacher display.
  3. 3. Paste the same URL into Google Slides speaker notes or LMS instructions.
  4. 4. Start class activities knowing all students see one synchronized countdown.

Best classroom uses

  • - Timed warmups and bell ringer work.
  • - Group discussion rotations and station transitions.
  • - Slide-by-slide speaking time in student presentations.
  • - Exit ticket windows before class ends.