Perform amazing feats of mathematical magic, answer clever riddles, solve a baffling murder, and much more with this clever introduction to calculator games. Answers included.

A collection of math brain teasers, card tricks, calculator riddles and more! Great teaching resource for math teachers (many grade levels).

The math book for anyone who thinks they hate math, full of easy, entertaining and practical tricks for mentally solving problems in seconds. No matter how much you might try to avoid numbers, we all use math every day to calculate a tip, figure out an interest rate, or estimate the cost of the groceries in your cart. But the good news is, math can be easy—and even fun—if you know how to do it all in your head. With these simple and downright magical math tricks, you can do everyday math faster than it takes to dig out your phone and find the calculator app. Step-by-step and easy-to-memorize directions show more than 125 math operations anyone can do in their head. Plus, it features do-it-yourself math projects, puzzles, and a bonus section for advanced mathophiles. Get ready to tackle problems such as . . . • How to easily square any number • How to add three-digit numbers • How to use a mirror to measure the height of a building • How to make a ruler out of a dollar bill • How to use geometry to paint walls, cut floor tiling, and do other home renovations • How to subtract numbers . . . by adding And lots more . . . No calculator required.

Challenges the reader to solve forty-seven crimes, and provides solutions

This challenging collection of 42 mathematical mind-benders, compiled by a noted Lewis Carroll scholar, includes Castle Croquet, A Sticky but Polished Riddle, Who's Coming to Dinner?, A New Way to Pay Old Debts, Eligible Apartments, Predicting the Total, and more. Includes complete solutions and drawings by John Tenniel, the original illustrator of Alice's Adventures in Wonderland.

Drawing upon close to thirty years of teaching experience, Leon Spreyer provides teachers with practical information that is not always taught in teacher education courses. New and veteran teachers alike will find useful advice for managing their work both in and out of the classroom. The book covers eighty-two essential topics, including cooperative learning, managing parents, staff meetings, implementing tests, portfolios, setting rules, and much more. Highlights include: Practical advice on more than eighty subjects Book suggestions and games for the classroom Suggestions for staying motivated and avoiding burnout Teaching ability, wisdom, and fervor are not inborn; teachers learn the elements of their art. With that in mind, Spreyer provides information, games, book recommendations, specific lesson plans, and straightforward advice on all aspects of teaching, ranging from Back-to-School Night to power in the classroom, and from homework to substitute teachers. And he does it in a reader-friendly style, with easy-to-follow lists, examples, and suggested resources.

Covers impromptu tricks, banded decks, stacked-deck tricks, gambling secrets, sleight-of-hand tricks, prepared-card tricks, shuffle systems, four-ace tricks, one-way decks, and sample card routines