The Sum of Numbers

Whether you’re a seasoned “mathelete” or just a novice, Puzzles will give you the opportunity to flex your mind muscles. Author Carole J. Greene presents eighty math problems to help you learn, recall, or hone your skills. Featuring a word-problem format, these math puzzles require algebraic and analytical thinking. The puzzles become more complex throughout the book, challenging your mind and helping your skills to build. But don’t be afraid to try the tough ones—Greene offers a solutions ...