
A self-checking times-tables puzzle grid that runs entirely offline in the browser — no installs, no accounts, and no pupil data ever leaves the device.
Choose any combination of tables from 0 to 16, or use the built-in preset buttons to step pupils through a structured progression: Foundation (0, 1, 2, 5, 10) → Build-up (+3, 4) → Patterns (+6, 9, 11) → Complete to 12 (+7, 8, 12) → Advanced to 16 (+13–16).
Live Play
Every puzzle is checked by a logic solver before it’s shown, so even the hardest grid — with several missing row and column headers — is always solvable by step-by-step reasoning, never guesswork. Pupils type answers directly into the grid and get instant right/wrong feedback, with a celebratory animation on completion; an on-screen timer supports timed practice.
Worksheet Mode
For worksheets, switch to Teacher mode to generate print-ready PDF puzzle packs (single-difficulty sets or a full five-level pack), with 1, 2 or 4 puzzles per page and optional answer key pages.
Installation
Works on any device with a modern browser — desktop, laptop, Chromebook, or tablet. No sign-up, no server, no data collection: everything runs locally in the pupil’s own browser tab.
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