This math topic practices calculating time given the speed and distance, ensuring all units are consistent. It includes various scenarios with different modes of transportation and speeds such as a plane, a bug, a horse, a car, and a rocket. Each question asks how long it takes for the vehicle or creature to travel a certain distance at a specified speed, with measurement units ranging from cm/ms to km/min. Multiple-choice answers are provided for students to select the correct time required to complete the journey.