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.
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What will the time be after the given change?
8:00
Subtract 1 hr