mathematical recreations

Presents math puzzles and enrichment activities within such topics as speed calculation, logical paradoxes, geometric puzzles, pattern reasoning, and combinatorial configurations.

An introduction to the basis of our number system illustrated by mathematical curiosities, riddles, puzzles, and games.

A collection of over 400 brain teasers, logic and math problems, and visual/spatial challenges.

This is a collection of math games and experiments, arranged in categories such as "On the Lookout for Shapes," "Make a Tally," "Calculator Games," and other topics.

This book explains the basic concepts of sizes and shapes, introducing cubes, spheres, triangles, rectangles, cones, and pyramids.

This book explains the basic concepts of numbers, discussing the idea of zero, adding one more to three, and saying how many if there were one fewer than three.

This book explains the basic concepts of measuring, introducing objects that are little/big, short/shorter, long/longer, full/empty, and heavy/light.

This book explains the basic concepts of counting, using simple games.

Explains how acrobats use balance and motion, describes how gravity affects the stability and instability of objects, and features illustrated, step-by-step instructions for related experiments and craft projects.