time drills Worksheets
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About these worksheets
Time drill worksheets help students practice adding and subtracting hours and minutes on a 12-hour clock. Problem sets cover adding hours, adding in 15-minute increments, subtracting hours, and subtracting in 15-minute increments. Each worksheet contains 50 problems for building speed with time calculations.
Subtracting Hours
- Subtract one time from another when the times are shown in hours on a 12-hour clock.
- Count backward by hours to find what time it was a certain number of hours ago.
- Handle hour subtraction that crosses from AM to PM or from PM to AM.
- Use the idea that after 12 comes 1 again to keep the hour correct on a 12-hour clock.
