Short, practical guides for teachers, game masters, giveaway runners and anyone else who uses random tools in their day.
Choose clear ranges, avoid accidental bias, and document simple random number draws without overcomplicating them.
Define the sample frame, handle duplicates, and pick spreadsheet rows or list entries without accidental bias.
When to use a fast picker, a no-repeat rotation, a visual wheel, or a winner picker for public draws.
Pick the right die, use common presets, handle multi-dice rolls, and keep sessions moving.
Understand d4, d6, d8, d10, d12, d20, d100, multi-dice rolls, modifiers and common tabletop notation.
When heads or tails helps, when best-of-three is better, and when randomness should stay out of the decision.
A teacher-tested guide to picking students fairly, keeping engagement high, and avoiding the "never-picked kid" problem.
How to clean your entry list, record the draw, and announce a winner in a way that stands up to a sceptical audience.
The maths behind 4d6-drop-lowest, how it compares to standard array and point-buy, plus the house rules most tables quietly use.
Three fair methods for splitting a group into teams — without the public-picking drama of captains choosing last.
Why length beats complexity, when to use a passphrase, and the boring daily workflow that actually keeps you safe.