17 pagesAges 12–18PuzzlesStudyPremium
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.
Every book includes a cover, a contents page with a star tracker, answer keys and a certificate.
Tip: switch on Ink saver on the print page for a black-and-white version.
What’s inside
Practise
- 1Number sequences
- 2Number sequences
Challenge
- 3Number sequences
Practise
- 4Binary numbers
- 5Binary numbers
Challenge
- 6Binary and hexadecimal
Practise
- 7Caesar cipher
- 8Caesar cipher
Challenge
- 9Caesar cipher
Practise
- 10Odd one out
- 11Odd one out
Challenge
- 12Odd one out
- 13Sudoku 9×9
- 14Sudoku 9×9
Puzzle time
- 15Maze
- 16Picture crossword
Reflect
- 17Mind map
