Make a count-up timer in Scratch

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Make a count-up timer in Scratch

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What will you make?

Build a timer that increases one second at a time, then changes minutes and hours.

Let’s give it a try!

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How to start

  1. Open the project and choose “See inside”.
  2. Make the seconds increase, then complete the minute blocks.
  3. Create the hour blocks and test your timer.

The Scratch project, block labels and worksheets retain Japanese. Edit the starter project before using it as a complete clock or timer.

Open the project on Scratch

Worksheets

Start with the digital clock activity

For parents and teachers: coding ideas

Compare different ways to calculate tens and ones. For the timer, draw a flowchart before coding. Test the change from 59 seconds to the next minute and from 59 minutes to the next hour. More than one algorithm can produce a correct display.

Use Scratch’s “Remix” feature when signed in, or explore the code with “See inside”. Save your work using the options available in Scratch.

Japanese Scratch blocks shown in the original tutorial
Japanese Scratch blocks shown in the original tutorial
Japanese Scratch blocks shown in the original tutorial
Japanese Scratch blocks shown in the original tutorial
Japanese Scratch blocks shown in the original tutorial

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