This math topic focuses on calculating the negative elapsed time between two clocks, expressed in hours and minutes, and includes scenarios that deal with quarter-hour increments. It involves determining how many hours and minutes earlier one clock shows compared to another. Skills in time calculation, especially identifying earlier times and handling hourly and minute differences, are practiced across several questions. Each question presents images of two different clock times and multiple choice answers.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.