This math topic focuses on calculating 10% of given amounts through practical application questions involving tips. Each problem involves an image-based scenario where the learner is asked to compute what a 10% tip would be. Multiple-choice answers are provided for each question, requiring learners to select the correct 10% value. This is part of an introductory unit on percentages, aimed at building fundamental skills in understanding and calculating percentages in real-life contexts, such as tipping.