Number brain
Quick calculation, then spotting patterns.
Play & create
Brain training: logic, patterns and memory
Puzzles that exercise reasoning rather than general knowledge. Each page teaches the strategy first, so you get better at the puzzle type rather than just guessing.
- 1Learn it
- 2See it worked
- 3Try it online
- 4Print it
- 5Check your answer
Start here: learning journeys
Logic and memory
Deduction, code-breaking and memory techniques.
All brain training lessons with practice and answers
Number sequencesLearn how to crack number sequences — differences, multiplying, squares, Fibonacci — with worked examples, sequence puzzles to solve online and a printable sheet with explained answers.. Online + PrintLogic grid puzzlesLearn to solve logic grid (deduction) puzzles with ticks and crosses, then try a printable three-person puzzle with a full step-by-step solution.. Online + PrintCryptograms and codesLearn to crack Caesar-shift and substitution codes using letter patterns, then decode puzzles online or on a printable sheet with answers.. Online + PrintMemory techniquesPractical memory techniques that work for shopping lists, spellings and revision — chunking, the story method, mnemonics and the memory palace — with exercises and answers.. Online + PrintMental maths strategiesQuick mental maths strategies anyone can learn: round and adjust, double and halve, partition and use friendly numbers. Online + Print
Guidance
How to get the most from these
- Look for the rule before the answer.
- If stuck, work backwards or test one possibility at a time.
- Little and often beats long sessions.
Last reviewed: 25 September 2026