Bring riddle math excitement to the middle grades classroom! The newest addition to the Masterminds Series, this Pre-Algebra book helps to make the subject less intimidating by presenting lessons filled with fun and humor. As they work to solve the riddles, students will learn to solve multistep equations, use exponents and decimals, work with integers, simplify, multiply, and divide fractions, and graph equations, slopes, and intercepts. These high-interest learning activities will foster a stimulating learning environment in your classroom as well as provide a foundation for success in high school algebra courses. 96 pages.