Find the start time
Count back from the end time. Write the answer as hours and minutes.
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A class ends at 3:20 and lasts 30 minutes. What time did it start?
Answer: 2:50
A class ends at 8:35 and lasts 10 minutes. What time did it start?
Answer: 8:25
A class ends at 10:25 and lasts 25 minutes. What time did it start?
Answer: 10:00
Tip: Count back from the end time. Write the answer as hours and minutes.
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Up next
- Ready for more Elapsed time word problems: 2 hours or less Year 5
- Need a warm-up? Tell time to the nearest five minutes Year 3
Print a free worksheet with answers (20 questions).
On paper: this skill is in the printable pack Grade 3 Common Core Math: Geometry and Measurement, with an answer key.
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- Measure It: Length, Time and Mass in the Real World Grade 3 · printable lessons
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