mathematical recreations

This book uses four mathematical operations to describe the Vikings' ships and the Vikings' way of life.

Shows how Benjamin Franklin, inventor, writer and scientist, created a puzzle called the magic square to keep from being bored while serving as clerk for the Pennsylvania Assembly. Includes step-by-step instructions for creating your own magic squares.

Contains fifty math puzzles using logic problems.

A guide to 350 puzzles and games invented by history's key puzzle and game masterminds.

Text and illustrations look at the world of mathematics, focusing on primes, the Lucas sequence, square numbers, and other topics.

Presents a collection of puzzles for readers interested in sharpening math skills.

Presents games and activities for teaching mathematics.

Provides step-by-step instructions to perform magic tricks that involve numbers.