Grade 4 math · Q.1 · Elapsed Time: Mixed Clocks
Elapsed time on the 24-hour clock: up to 5 hours
Use the clock the problem uses.
See worked examples
Elif started a bus ride to the museum at 10:15 and finished at 11:15. How long did it take?
Answer: 1 hour
A canoe trip starts at 13:05 and lasts 4 hours 20 minutes. What time does it end?
Answer: 17:25
A skating party starts at 18:35 and lasts 4 hours 20 minutes. What time does it end?
Answer: 22:55
Tip: Use the clock the problem uses.
Curriculum
Common Core: 3.MD.A.1, 4.MD.A.2
On paper: this skill is in the printable pack Grade 4 Time and Measurement Word Problems (Common Core), with an answer key.
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