P1 Telling Time: Paper 4 Error Clinic

2026-11-11

This is the error clinic: the common slips are gathered for one more round, including reading the hour from the long hand, spans across noon, afternoon times in 24-hour form and counting repeated turns.

Direct answers　Answers: 1 8 o’clock; 2 5 o’clock; 3 60 minutes; 4 3 hours; 5 15:00; 6 10 o’clock; 7 5 hours; 8 14:00, that is 2 p.m.; 9 24 rounds; 10 the long hand only gives minutes.

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)

FoundationThe short hand points at 8 and the long hand at 12. What time is it?
FoundationWhat time is 1 hour after 4 o’clock?
FoundationHow many minutes are there in 1 hour?
IntermediateHow many hours pass from 10 a.m. to 1 p.m.?
IntermediateHow is 3 p.m. written in 24-hour time?
IntermediateA trip starts at 7 o’clock and takes 3 hours. When does it arrive?
ChallengeHow many hours pass from 9 a.m. to 2 p.m.?
ChallengeMedicine is taken every 3 hours starting at 8 o’clock. When is the third dose?
ChallengeHow many rounds does the long hand make in one day?
Error redoA pupil says “a long hand at 12 means 12 o’clock”. What is wrong?

03　Answers and one-line notes

#	Answer	One-line note
1	8 o’clock.	A long hand at 12 means 0 minutes, so the hour is read from the short hand.
2	5 o’clock. 4 plus 1 is 5.	Add the hours that pass; the minutes stay at zero.
3	60 minutes.	One full round of the long hand is 60 minutes.
4	3 hours.	10 to 12 is 2 hours, then add 1 more hour to reach 3.
5	15:00.	Add 12 to the afternoon hour: 3 plus 12 is 15.
6	10 o’clock. 7 plus 3 is 10.	Arrival time is the departure hour plus the travelling time.
7	5 hours.	9 to 12 is 3 hours and 12 to 14 is 2 hours, so 5 hours in all.
8	14:00, that is 2 p.m.	The three doses fall at 8, 11 and 14.
9	24 rounds.	One round per hour, so 24 hours give 24 rounds.
10	A long hand at 12 only means 0 minutes; the hour comes from the short hand, so short at 5 with long at 12 is 5 o’clock.	The long hand gives minutes and the short hand gives the hour, so read both hands together.

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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