This math topic focuses on using algebraic concepts to solve coin-related problems involving two types of coins: pennies, nickels, dimes, and quarters. Each problem presents scenarios with varying quantities and types of coins and requires finding the total sum of the two quantities (X + Y). The problems involve creating equations based on the value of the coins when arranged in different orders and solving these equations to find the sums. This helps practice basic algebra skills, including equation formulation and problem-solving in a real-world context.