logic puzzles

A collection of logic puzzles and mathematical recreations for children.

"Describes how matter is related to energy, which the human body needs to do just about anything - run, eat, sleep, grow. As readers use scientific inquiry to learn about how matter changes and its effects on Earth, an activity based on real world situations challenges them to apply what they've learned in order to solve a puzzle"--.

A collection of narrative mathematical puzzles that may be solved with logic; presented in increasing order of difficulty, with solutions.

"Lists brain teasers with a gross theme"--Provided by publisher.