Elapsed Time Worksheets
Read clock times, count elapsed time and reason about calendar dates.
Before you begin
Read whole numbers, use basic arithmetic and identify the units in a question.
Worked example
An activity begins at 9:20 AM and ends at 9:30 AM on the same morning. How many minutes pass?
- Count minutes to the next hour, then to the ending time.
Answer: 10 minutes
Check your result using the method in the example before moving to the next question.
Choose your level
- Easy: Use whole units and one operation.
- Medium: Use mixed units or larger quantities.
- Hard: Use two steps or a reversed conversion.
Questions and answer calculations checked on 2026-09-17. How we check worksheets. Free for personal and classroom use.
Preview and print an easy set
Try six questions below, or choose a full set at your level.
1
An activity begins at 8:10 AM and ends at 8:30 AM on the same morning. How many minutes pass?
2
A lesson starts at 10:00 AM and lasts 15 minutes. What time does it end? (All times are before noon.)
3
An activity begins at 10:15 AM and ends at 10:20 AM on the same morning. How many minutes pass?
4
A lesson starts at 9:05 AM and lasts 15 minutes. What time does it end? (All times are before noon.)
5
An activity begins at 9:25 AM and ends at 9:35 AM on the same morning. How many minutes pass?
6
A lesson starts at 10:25 AM and lasts 10 minutes. What time does it end? (All times are before noon.)
Answer Key
1. 20 minutes2. 10:15 AM3. 5 minutes4. 9:20 AM5. 10 minutes6. 10:35 AM