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A complete offline Sudoku toolkit: generate genuinely graded 6×6 / 9×9 puzzles, solve on-screen, or export print-ready worksheet and answer PDFs

This self-contained, browser-based app covers the whole Sudoku workflow in one place. Generate puzzles at four real difficulty levels — rated by an actual logic-technique solver, not just clue count — or type in your own puzzle from any source and let the app validate it and work out the answer for you.

Pupils can solve directly on-screen with pen and pencil-mark modes, auto-seeded candidates, instant mistake feedback, digit highlighting, an optional reveal system, and a pausable timer. When you’re ready to print, export beautifully laid-out PDF worksheets — 1, 2, 4 or 6 puzzles per page, in A4 or A5, across any number of pages — with an optional compact answer booklet appended at the back.

Runs entirely offline after opening, with no installation, no login, and no pupil data ever uploaded anywhere — fully GDPR-compliant for classroom use.

Suitable across KS2–KS4 for starters, independent practice, differentiation, or full puzzle booklets, and versatile enough for maths, form time, or enrichment sessions.

Get this resource as part of a bundle and save up to 71%

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

Bundle

The Ultimate Maths Teacher Super-Bundle

**Everything you need to keep you in puzzles and worksheets throughout the year!** * Pyramid Puzzle Maker - From the simplest to the most demanding, fully customisable and full answers provided * Binary Puzzle Maker - Generate and Print a variety of Binary puzzles of different sizes and difficulties * Codemaker - Code and Decode your message using any of 12 different algorithms from the most straightforward to advanced Maths; structured decoding worksheets provided for every algorithm * Cross-Number - Create your own Cross-Number puzzles (where the clues are calculations and the answers are numbers). Uses LaTeX to create professional Maths notation * Number-Cross - Create your own puzzles where numbers of different lengths have to be placed logically into the grid (It's criss-cross with numbers instead of words). Unique solutions guaranteed. * Pirate Game - Generate endless class sets of pre-filled boards, all different every time, and use the Coordinate Picker to run the game on the IWB * Self-Checking Times Table Puzzle Maker - create endless tables practice worksheets to span all ability levels from Tables Beginners to Tables Experts. The puzzle is a grid in which students have to deduce the missing numbers in the products, rows and columns. * Sudoku Puzzle Maker - Generate and print endless Sudoku puzzles (6x6 or 9x9) of various difficulty levels and keep a supply on hand for all eventualities * The Ultimate Pi Day Bundle - Everything you could possibly want to run a successful Pi Day in school.

£10.00

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