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CAIE IGCSE Mathematics Extended E1.15 Time Questions

Compare journey durations, cross midnight in 24-hour time, and combine flight length with a time-zone offset while keeping the correct day and date.

Syllabus
2028–2030
Course
Mathematics 0580
Level
Extended

Exam points

  • Add 8 hours 32 minutes to 21:43 across midnight to obtain 06:15, using either 24-hour or accepted 12-hour notation.
  • For a flight and time-zone problem, add both 13 hours 35 minutes and the 15-hour offset, then update the day and date to Sunday 24 July at 02:15.
  • Find elapsed or latest times accurately, including a 4 h 25 min journey, a 07:12 departure and a 2-minute difference between 40- and 38-minute journeys.

Covered syllabus points

E1.15.1 Calculate with time: seconds (s), minutes (min), hours (h), days,E1.15.2 Calculate times in terms of the 24-hour and 12-hour clock.E1.15.3 Read clocks and timetables

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