Time - Elapsed Negative - Time and Hours & Minutes to Clock - Full Hours

This math topic focuses on calculating elapsed time, specifically through subtracting hours from given times. Each problem presents a starting time and asks to find the new time after subtracting a certain number of hours. The problems range from subtracting one to three hours from various starting times throughout a typical day. The skill practiced is identifying how the subtraction of time affects the position of the hour on the clock, enhancing the learner's ability to work with time in a practical context.