MATHadazzles are intriguing number puzzles that sharpen your logical reasoning and problem solving talents, and put to use your knowledge of familiar and not-so-familiar numbers and mathematical operations. Your job is to use clues to place numbers 1.0, 1.25, 1.5, 1.75, 2.0, 2.25, 2.5, 2.75, and 3.0 in the nine cells of a grid so that the numbers in rows and columns add to the circle sums at the ends of those rows and columns. Learn about different types of numbers while solving the 78 MATHadazzles problems. To give you a head start, the various types of numbers and computations with them are...