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P6 Maths: Speed, Distance and Time (Paper 4 (error clinic))
Tutor Prep Guide · Using speed, distance and time in all three directions, converting between km/h and m/s, meeting and catching-up problems, average speed and diagnosing common slips
P6 Maths: Speed, Distance and Time (Paper 4 (error clinic))
Paper 4 (error clinic): ten speed questions on finding speed, distance and time, with answers and one-line notes.
Direct answers Level: P6 maths; format: applying the speed formula, unit conversion, meeting and catching up, average speed and error diagnosis.
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: P6 Maths: Speed, Distance and Time |
| Level | P6 |
02 Questions (10 items)
- FoundationAt 45 km/h, how long does 90 km take?
- FoundationConvert 20 m/s into km/h.
- FoundationOut at 30 km/h and back at 20 km/h over the same road. Find the average speed.
- IntermediateConvert 90 km/h into m/s.
- IntermediateA 240 m run takes 40 seconds. Give the speed in m/s and km/h.
- IntermediateError clinic: at 60 km/h for 30 minutes the distance is 30 km. Is this right?
- ChallengeTwo people 480 m apart walk towards each other at 5 m/s and 3 m/s. When do they meet?
- ChallengeA 360 km journey takes 4 hours. Find the average speed.
- ChallengeA is 100 m ahead of B, moving at 2 m/s while B runs at 4 m/s. When does B catch up?
- Error redoError clinic: at 80 m per minute, 4 km is worked out as 4 times 80, that is 320 minutes. What is wrong?
03 Answers and one-line notes
| # | Answer | One-line note |
|---|---|---|
| 1 | 2 hours. | Divide 90 km by 45 km/h to get 2 hours. |
| 2 | 72 km/h. | Multiply 20 by 3.6 to get 72 km/h. |
| 3 | 24 km/h. | The formula gives 2 times 30 times 20 divided by 50, that is 24 km/h. |
| 4 | 25 m/s. | Divide 90 by 3.6 to get 25 m/s. |
| 5 | 6 m/s, which is 21.6 km/h. | Dividing 240 by 40 gives 6 m/s, and 6 times 3.6 is 21.6 km/h. |
| 6 | Yes, 30 minutes is 0.5 hour and 60 times 0.5 is 30 km. | This one is correct; the common slip is treating 30 minutes as 30 hours. |
| 7 | After 60 seconds. | Divide 480 by the combined speed of 8 m/s to get 60 seconds. |
| 8 | 90 km/h. | Divide 360 by 4 to get 90 km/h. |
| 9 | 50 seconds. | The gap closes at 2 m each second, so 100 m takes 50 seconds. |
| 10 | The units were mixed; 4 km is 4 000 m, so it takes 50 minutes. | Mixing kilometres with metres is the commonest slip here, so match the units before calculating. |
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.
Check the answers, and for any wrong item confirm the units first, then copy the working and redo it.Tutor Registration →
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