In this engaging math lesson, students explore the concept of percent change using real-world data on grocery item prices from 2020 to 2024. By examining actual or simulated price data for common items (e.g., milk, bread, eggs, and produce), students calculate the percent increase or decrease in prices over time. The activity is structured to highlight how changes in economic factors, such as inflation or supply chain disruptions, impact everyday expenses. Students work in pairs or small groups,