Click on the regions to fill them with paint. There is an undo button if you make a mistake. Alternatively you could change the paint colour to white to eliminate unwanted regions.
Click the 'Check' button to see how well you are doing at any point as you are working through the diagrams. You can earn a Transum Trophy for getting at least 12 diagrams correct.
The solutions to this and other Transum puzzles, exercises and activities are available in this space when you are signed in to your Transum subscription account. If you do not yet have an account and you are a teacher or parent you can apply for one here.
A Transum subscription also gives you access to the 'Class Admin' student management system and opens up ad-free access to the Transum website for you and your pupils.
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