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CAIE IGCSE Mathematics Core C1.15 Time Questions

Practise converting time units, calculating intervals with 12-hour or 24-hour clocks and interpreting timetables and time-zone differences.

Syllabus
2028–2030
Course
Mathematics 0580
Level
Core

Exam points

  • convert among seconds, minutes, hours, days, weeks, months and years before calculating
  • add or subtract clock times and find elapsed intervals, including journeys crossing midnight
  • read timetable entries and adjust local times using a stated time-zone difference

Covered syllabus points

C1.15.1 Calculate with time: seconds (s), minutes (min), hours (h), days,C1.15.2 Calculate times in terms of the 24-hour and 12-hour clock.C1.15.3 Read clocks and timetables

Question 1

[Maximum number: 5]

Question (a)

(a)

The team shop is open from 0900 to 1715 on Monday to Friday only.

Work out how long the shop is open each week.
Give your answer in hours and minutes.
hmin\mathrm{h}\quad\mathrm{min}

[ 3 ]

Question (b)

(b)

A game starts at 1500 .

The team plays for 90 minutes.
There is also a break of 15 minutes.

Find the time the game ends.

[ 2 ]

Question 2

[Maximum number: 1]

Miguel works in an office.

It takes Miguel 40 minutes to drive to work.

He leaves home at 0745 .

What time does he arrive at work?

Question 3

[Maximum number: 2]

Roberto and his family fly from London to Los Angeles on a holiday.

The flight takes 11 hours 15 minutes.

The flight leaves London at 1540 local time.

The local time in Los Angeles is 8 hours behind the local time in London.
Work out the local time in Los Angeles that the plane arrives.

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