This book convenes a selection of 200 mathematical puzzles with original solutions, all celebrating the inquisitive and inspiring spirit of Nobuyuki “Nob” Yoshigahara – a legend in the worldwide community of mathematical and mechanical puzzles. A graduate from the Tokyo Institute of Technology, Yoshigahara invented numerous mechanical puzzles and published over 80 puzzle books. In 2003, he was honored with the Sam Loyd Award, given by the Association for Games & Puzzles International to individuals who have been made a significant contribution to the world of mechanical puzzles. In this work, the reader will find some of the most ingenious puzzles ever created, organized in ten categories: Logic, matchstick, maze, algorithmic, combinatorial, digital, number, geometric, dissection, and others. Some of them could rivalry with those found at Mathematical Olympiads tests around the globe; others will work as powerful brain teasers for those with an interest in problem-solving. Math teachers, curious students of any age and even experienced mathematicians with a taste for the fun in science can find in this book unconventional paths to develop their problem-solving skills in a creative way.

Front of the Class Puzzles and Games for grades 1 to 2 gives kids a brain boost as they complete crosswords, word searches, mazes, and word games. These word puzzles encourage concentration while strengthening spelling, word recognition, and vocabulary skills. Filled with hours of game-based activities, Puzzles and Games engages children by stimulating the learning process. Each activity in this 320-page book challenges learners to focus on the task at hand while strengthening the reading, writing, and communication skills they need for academic success. These games will flex children’s mental muscles as they explore a variety of puzzles and word games. The Front of the Class activity book series combines education and entertainment with colorful word searches, word games, crossword puzzles, mazes, dot-to-dots, and number games. These books are full of challenging puzzles that help children master essential critical thinking skills. Portable, age-appropriate, and entertaining, Front of the Class activity books provide a fun and convenient learning format that children can use at home or on the go.

Keep puzzlers busy all winter long! This winter-themed collection is packed with over 100 types of puzzles and activities, including ever-popular Hidden Pictures puzzles. With bright illustrations, varied levels of complexity, and plenty of humor, this 144-page book is sure to challenge, entertain and amuse kids ages 6-9 with expertly crafted activities. This collection is brimming with brain-boosting challenges like mazes, number puzzles, wordplay, brainteasers and Hidden Pictures puzzles. With a wide range of kids' favorite activities delightfully designed around snow, sledding and more winter fun, this activity book is a perfect solution to winter-break boredom for the whole family. Kids love working to achieve a goal, and every puzzle solved encourages them to take on new challenges and builds their self-esteem. Solving puzzles also help kids with following directions and developing concentration, attention to detail and reasoning skills. Like all Highlights products, Puzzlemania Winter Puzzles is well thought out, well constructed and visually appealing in order to bring kids meaningful benefits and maximum fun.

Critical and creative reasoning puzzles can be used as curriculum extensions and as anchor activities in the differentiated classroom, for pre and post testing, or as an introduction to a new unit. Puzzles can be completed by individuals or small groups, placed in learning centers, or used as a presentation to the entire class using teacher-made transparencies. Challenging Puzzles in Earth Science includes a Scientific Method chapter in addition to the following types of critical and creative reasoning puzzles, some of which require research.

Research in mathematics is much more than solving puzzles, but most people will agree that solving puzzles is not just fun: it helps focus the mind and increases one's armory of techniques for doing mathematics. Mathematical Puzzles makes this connection explicit by isolating important mathematical methods, then using them to solve puzzles and prove a theorem. Features A collection of the world’s best mathematical puzzles Each chapter features a technique for solving mathematical puzzles, examples, and finally a genuine theorem of mathematics that features that technique in its proof Puzzles that are entertaining, mystifying, paradoxical, and satisfying; they are not just exercises or contest problems.

Make thrilling discoveries in this Hidden Pictures puzzle book featuring 100+ scientific scenes and more than 1,500 hidden objects in Highlights trademark black-and-white puzzles. This exciting Hidden Pictures puzzle book features illustrations of science labs, wacky experiments, outdoor investigations, and much more. Each puzzle is carefully designed to engage and entertain children while honing their concentration and attention to detail. This book is sure to inspire every curious and inquisitive child!

ReederGeoPuzzles is a periodical of designed, interesting puzzles, based on a concept-locale-space procedure, determined to challenge, inform, and reward citizens of the public, the world, and its universe. ReederGeoPuzzles are geographical challenges coupled with other basic disciplines that result in logical factual solutions and assuring outcomes. ReederGeoPuzzles will help attain knowledge, pleasure, and familiarity of your world environments, local and distant. ReederGeoPuzzles are based on facts that affect humanity and its world, past and present.