Count On

Explorer

Puzzle of the Day

These puzzles are also printed in Eight days a week, a booklet published by the Association of Teachers of Mathematics.The Association of Teachers of Mathematics

Write a number as a word. Now write how many letters it has. Now write how many letters this has and so on. e.g. sixteen, seven, five, four, four, ... .Try other numbers and see what happens.

Answer: Always ends with four


Puzzle Archive