This math topic focuses on calculating percentages, specifically determining what percent one number is of another, using multiples of 5%. It is designed to enhance skills in finding percentages in more advanced contexts. The questions require students to express one quantity as a percentage of another, enhancing their understanding of ratio, proportion, and percentages in real-world contexts. Each problem presents two numbers, and students must calculate the former's percentage of the latter, practicing precise calculation and numerical reasoning skills.