This math topic focuses on simplifying radical expressions, specifically involving division of radicals which have a common factor. It covers the process of expressing single-term radicals as fractions. The skills practiced include identifying and simplifying square roots, applying division of radicals, and reducing results to simplified fractional forms. The topic is part of a larger unit on simplifying radicals. Each problem presents a different radical expression and multiple choice answers, pushing for understanding and precision in simplifying expressions involving square roots.