This math topic practices calculating distances traveled given the speed and time, with an emphasis on unit conversion and higher-level problems. It is designed to enhance understanding of relationships between speed, distance, and time, where students need to apply these concepts under various speed units such as kilometers per day, centimeters per hour, meters per day, or millimeters per minute, and corresponding time units. Each problem requires calculating the total distance traveled, making it a practical exercise for students to master conversion between different measurement systems and improve their problem-solving skills in real-world contexts.