Mensa math wizard for kids Author:John Bremner Puzzles, games, hints and tips to have fun with your calculator! All children can excel at numbers when they can play with them and learn a few simple "tricks of the trade." So here's a book that helps them do just that.
Great puzzles for the mathematical mind with step by step instructions for solving them. If you like codes, formulas, riddles, then this book is for you!