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Primary General Studies: Transport and Community Facilities (Paper 4 (error clinic))
Primary General Studies: Transport and Community Facilities (Paper 4 (error clinic))
Paper four is the error clinic: the borrowing, queue, time conversion, bus interval and percentage items that go wrong most often, done again.
Direct answers Check units and bases before checking the arithmetic; if the same question fails twice, stop and reread the explanation.
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: Primary General Studies: Transport and Community Facilities |
| Level | parts of a closed circuit, conductors against insulators, series against parallel, adding up battery voltage, and electrical safety |
02 Questions (10 items)
- FoundationDo public libraries charge for borrowing?
- FoundationEight books are allowed per visit. How many over 4 visits?
- FoundationPostage is 2.8 dollars a letter. How much for 6 letters?
- IntermediateForty five people queue at 5 counters. How many per counter on average?
- IntermediateYou arrive at a clinic at 8:40 and wait 35 minutes. What time do you see the doctor?
- IntermediateHow many minutes to walk 1.5 km at 5 km per hour?
- ChallengeA bus runs every 15 minutes from 7:00. When does the sixth bus leave?
- ChallengeThe market charges 14.5 dollars per catty. How much for 3.2 catties?
- ChallengeFive libraries open 300 hours a week in total. What is the average per library?
- Error redoSomeone judges whether facilities are enough by counting them only. What is missed?
03 Answers and one-line notes
| # | Answer | One-line note |
|---|---|---|
| 1 | No, borrowing is free; you only need a library card. | Only extras like photocopying and overdue fines carry a charge. |
| 2 | 8 x 4 = 32 books. | Multiply the limit per visit by the number of visits. |
| 3 | 16.8 dollars. | 2.8 x 6, keeping the decimal place. |
| 4 | 9 people. | 45 / 5 = 9. |
| 5 | 9:15. | Add 20 minutes to reach 9:00, then the remaining 15. |
| 6 | 18 minutes. | 1.5 / 5 = 0.3 hours. |
| 7 | 8:15. | The sixth bus is 5 intervals after the first: 15 x 5 = 75 minutes. |
| 8 | 46.4 dollars. | 14.5 x 3.2, giving an answer to two decimal places. |
| 9 | 60 hours. | 300 / 5 = 60. |
| 10 | Location and access: walking distance, service frequency and step free routes. | Facilities nobody can reach are as good as absent. |
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.
With all four done, go back to the chapter page and revise the three parts of a closed circuit plus three safety habits.Tutor Registration →
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