Mathematical Brain-Teasers

Tantalizing teasers including coin and change problems, relative ages, time and distance, and 40 alphametics—innovative letter substitutions. Solutions.
Here you will find 150 tantalizing brain-teasers devised by one of the great contemporary inventors of mathematical puzzles. Over 100 problems are in cleverly worded story forms; coin and change problems, relative ages, time and distance problems. Many of these solutions could come up in everyday life. There are also a number of fine "alphametics", innovative letter substitutions you will find specially attractive. 

JOBSEARCHtweet Book01: 140 Job Search Nuggets for Managing Your Career and Landing Your Dream Job

Do you want to know in a nutshell what it takes to market yourself in a competitive job market and get more of what you want? '#JOBSEARCHtweet' gives you 140 digestible sound bites for doing just that. In just 100 pages you will gain compelling insights on how to build a strong resume and cover letter, engage employers with a value-added thank you letter, work with recruiters, leverage your network both online

Introduces, in brief text and illustrations, the use of the letter combination "ip" in such words as "ship," "trip," "whip," and "lip."

Introduces, in brief text and illustrations, the use of the letter combination "ig" in such words as "pig," "sprig," "fig," and "twig."

Introduces, in brief text and illustrations, the use of the letter combination "ub" in such words as "tub," "snub," "cub," and "grub."