Ages 10–18Free
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BrainteenPremium
Logic & Code-Breaking Puzzle Book
Number sequences, binary, ciphers and odd-one-out from warm-up to expert, plus 9×9 sudoku, big mazes and a picture crossword.
- Ages 12–18
- Puzzles
- Activity book
Licence: Crayonbird original
About this activity
What your child practises
A mix of skills across many pages – a whole themed activity book in one download.
What’s included
- 17 printable pages
- 120 questions
- 9 words to find
- An answer key you can print with the sheet or on its own
Age and school year
Made for ages 12–18. That’s Grade 7–12 in the US, Year 8–13 in England, JSS 1 – SS 3 in Nigeria and Class 7–12 in India.
How to use it
- Print it at home or school – it fits a standard A4 or US Letter page.
- Print the answer key too, so marking takes seconds.
- Write on it on a tablet or touchscreen with a finger or stylus – no printer needed.
Tips for parents and teachers
- Staple or hole-punch the pages into a booklet – children love finishing a “real” book.
- Print the answer key separately and keep it with you for quick checking.
- Use a fresh printed copy as a short timed test before an exam to practise working under pressure.
Good to know
- Time needed
- About 10–15 minutes per page
- You’ll need
- A printer (or a tablet to work on screen), crayons or coloured pencils, a pencil and an eraser
- Answer key
- Yes – print it with the sheet or on its own
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