Timely ideas and information, with daily updates. Frequently Asked Questions Thousands of web sites for educators and students. Support for long-term classroom planning and professional development. Information covering important topics for today's educators and parents. Each puzzle consists of a sequence of ten clues about an unknown number.
Students use deductive reasoning to discover the answer using the fewest clues possible.
The introduction to this book contains background information about problem-solving and the mathematics involved in the puzzles, sample puzzles and suggested solutions. Blackline masters and solutions for all the puzzles are included. Each puzzle is illustrated with an amusing drawing. ENC does NOT distribute this resource. The publisher grants permission to individual teachers who have purchased this book to reproduce the blackline masters as needed for use with their own students.