20 Minute Classroom Timer

Start a 20 minute classroom timer for reading blocks, group work, independent practice, projects, review activities, or focused classroom tasks. The large countdown is easy to project on a smartboard, classroom display, or student-facing screen.

Press Start to begin the countdown. You can pause, reset, adjust the time, turn sound on or off, and use fullscreen mode when you want the timer to fill the classroom display.

Use this 20 minute reading timer for independent reading, read-to-self blocks, reading response time, literature circles, book clubs, or fluency practice. Twenty minutes gives students a visible work block without turning the page into a long testing timer.

Start the timer after directions, keep the countdown visible, and let students check the remaining time without interrupting the reading routine.

A 20 minute group work timer works well for group projects, partner work, classroom discussions, collaborative problem solving, and review activities. It gives teams enough time to settle into the task while still keeping the end point clear.

Keep the countdown on the screen while groups work so students can see how much time is left for planning, discussion, and finishing touches.

It also works as a 20 minute project timer when students need a clear block for planning, building, revising, or sharing.

Start this 20 minute timer before math practice, writing practice, worksheet time, review packets, study time, test prep, or other focused classroom work. The countdown helps students understand the size of the work block before they begin.

This 20 minute timer for teachers works as a simple 20 minute countdown timer when the class needs a visible work period with pause, reset, sound, and fullscreen controls nearby.

Use sound for a simple chime at the end, or turn sound off for quiet independent practice.

Project this online 20 minute timer on a smartboard, classroom screen, or projector so the whole class can see the large countdown. It works well for student-facing work blocks where the remaining time needs to stay visible.

Use fullscreen mode when it is available, pause the timer for directions, or reset it when the class needs a fresh twenty-minute block.