P1 Telling Time: Paper 3 Challenge

2026-11-11

This paper puts whole hours into multi-step settings: splitting a span at noon, repeated times every few hours, departure plus travelling time, and the link between 24-hour time and rounds of the face.

Direct answers　Answers: 1 3 hours; 2 13:00; 3 16:00; 4 24 rounds; 5 12 hours; 6 13:00; 7 12 hours; 8 12 hours; 9 11:00; 10 only 12 numbers.

01　Paper details (check answers afterwards)

Item	Detail
Questions	10
Suggested time	20
Difficulty mix	Foundation 3 · Intermediate 3 · Challenge 3 · Error redo 1
Chapter	Chapter: P1 Telling Time: O-clock
Level	P1

02　Questions (10 items)

FoundationFrom 10 in the morning to 1 in the afternoon, how many hours pass?
FoundationStarting at 7 o’clock and repeating every 2 hours, what time is the fourth turn?
FoundationWhat time is 5 hours after 11 o’clock, in 24-hour time?
IntermediateThe long hand turns once an hour. How many rounds in one day?
IntermediateHow many hours apart are 8:00 and 20:00?
IntermediateA train leaves at 9:00 and travels for 4 hours. When does it arrive, in 24-hour time?
ChallengeThe face has 12 numbers and 1 hour between neighbours. How long is one full round?
ChallengeFrom 6:00 to 18:00, how many hours pass?
ChallengeStarting at 5 o’clock and repeating every 3 hours, what time is the third turn?
Error redoError clinic: someone says the clock face has 24 numbers. What is wrong?

03　Answers and one-line notes

#	Answer	One-line note
1	3 hours. 10 to 12 is 2 hours and 12 to 1 is 1 more, so 3 hours.	Split at noon: count to 12 first, then add the afternoon part.
2	13:00 (1 in the afternoon). The turns are 7, 9, 11 and 13.	Add 2 hours after the third turn; count the turns carefully.
3	16:00, which is 4 in the afternoon. 11 plus 5 is 16.	Past 12 the 24-hour system takes over; subtract 12 for the afternoon hour.
4	24 rounds, one for each of the 24 hours.	One round per hour, so the number of rounds equals the number of hours.
5	12 hours. 20 minus 8 is 12.	20:00 is 8 in the evening, which is 12 hours after 8 in the morning.
6	13:00, which is 1 in the afternoon. 9 plus 4 is 13.	Add the travelling time to the departure time, then use 24-hour form past 12.
7	12 hours; the minute hand takes one hour per round while the hour hand takes 12.	Twelve numbers at one hour each make 12 hours, which is half a day.
8	12 hours. 18 minus 6 is 12, from 6 in the morning to 6 in the evening.	In 24-hour time, subtracting the two hours gives the elapsed hours.
9	11:00, since the turns are 5, 8 and 11.	Add 3 hours each time, so the third turn is 6 hours after the first.
10	It is wrong. The face has only 12 numbers, so one day needs two full rounds.	24 is the number of hours in a day, not the number of figures on the face.

04　What to do after marking

After marking, redo only the wrong items and write down which step went wrong (formula, unit, or misread number).
Repeat the same item two days later; move to the next paper only when both attempts are correct.
Parents only need the answer and note columns; there is no need to explain every item.

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