Grade 4 Maths Resources (7.1 Time - 12-hour & 24-hour Clock ... - Free Printable

Let's solve the problem step by step. The task is to fill in the missing values in a table that converts between time in words, 12-hour clock, and 24-hour clock formats.

We'll go through each row one by one, converting as needed.

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Row 1:

- Time in words: Quarter past two in the afternoon
- 12-hour clock: 2:15 p.m.
- 24-hour clock: 14:15

> Explanation: "Quarter past two" = 2:15; "afternoon" means p.m., so 2:15 p.m. → 14:15 in 24-hour format.

✔ Answer: 2:15 p.m. | 14:15

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Row 2:

- Time in words: (Missing)
- 12-hour clock: (Missing)
- 24-hour clock: 19:00

> Convert 19:00 to 12-hour:
- 19:00 = 7:00 p.m.
- In words: "Seven o'clock in the evening"

✔ Answer: Seven o'clock in the evening | 7:00 p.m.

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Row 3:

- Time in words: Twenty-two minutes to nine in the evening
- 12-hour clock: (Missing)
- 24-hour clock: (Missing)

> "Twenty-two minutes to nine" = 8:38 p.m.
> Because 9:00 - 22 minutes = 8:38
> So 8:38 p.m. → 20:38 in 24-hour format

✔ Answer: 8:38 p.m. | 20:38

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Row 4:

- Time in words: (Missing)
- 12-hour clock: 4:20 p.m.
- 24-hour clock: (Missing)

> 4:20 p.m. → 16:20 (since 4 + 12 = 16)

> In words: "Twenty minutes past four in the afternoon"

✔ Answer: Twenty minutes past four in the afternoon | 16:20

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Row 5:

- Time in words: (Missing)
- 12-hour clock: (Missing)
- 24-hour clock: 23:57

> 23:57 = 11:57 p.m.
> In words: "Three minutes to midnight" or "Eleven fifty-seven at night"

But more standard: "Twenty-three fifty-seven" or "Twelve midnight minus three minutes" — but best phrased as:

> "Three minutes before midnight" or "Eleven fifty-seven p.m."

Standard phrase: "Twenty-three fifty-seven" or "Twelve midnight minus three minutes"

But let’s use: "Three minutes to midnight"

✔ Answer: Three minutes to midnight | 11:57 p.m.

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Row 6:

- Time in words: Thirteen minutes past five in the morning
- 12-hour clock: (Missing)
- 24-hour clock: (Missing)

> 5:13 a.m. → 05:13 in 24-hour format

✔ Answer: 5:13 a.m. | 05:13

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Row 7:

- Time in words: (Missing)
- 12-hour clock: 1:39 a.m.
- 24-hour clock: (Missing)

> 1:39 a.m. → 01:39 in 24-hour format

> In words: "Thirty-nine minutes past one in the morning"

✔ Answer: Thirty-nine minutes past one in the morning | 01:39

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Row 8:

- Time in words: Eleven minutes to eight in the evening
- 12-hour clock: (Missing)
- 24-hour clock: (Missing)

> "Eleven minutes to eight" = 7:49 p.m.
> 8:00 - 11 = 7:49
> 7:49 p.m. → 19:49

✔ Answer: 7:49 p.m. | 19:49

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Row 9:

- Time in words: (Missing)
- 12-hour clock: (Missing)
- 24-hour clock: 03:25

> 03:25 = 3:25 a.m.
> In words: "Twenty-five minutes past three in the morning"

✔ Answer: Twenty-five minutes past three in the morning | 3:25 a.m.

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Row 10:

- Time in words: (Missing)
- 12-hour clock: (Missing)
- 24-hour clock: 11:15

> 11:15 = 11:15 a.m. (since it's before noon)
> In words: "Fifteen minutes past eleven in the morning"

✔ Answer: Fifteen minutes past eleven in the morning | 11:15 a.m.

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Row 11:

- Time in words: Twelve midnight
- 12-hour clock: (Missing)
- 24-hour clock: (Missing)

> "Twelve midnight" = 12:00 a.m. → 00:00 in 24-hour format

✔ Answer: 12:00 a.m. | 00:00

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Row 12:

- Time in words: (Missing)
- 12-hour clock: 12:00 p.m.
- 24-hour clock: (Missing)

> 12:00 p.m. = noon → 12:00 in 24-hour format

> In words: "Twelve noon"

✔ Answer: Twelve noon | 12:00

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Row 13:

- Time in words: Quarter to four in the afternoon
- 12-hour clock: (Missing)
- 24-hour clock: (Missing)

> "Quarter to four" = 3:45 p.m.
> 3:45 p.m. → 15:45

✔ Answer: 3:45 p.m. | 15:45

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Row 14:

- Time in words: (Missing)
- 12-hour clock: (Missing)
- 24-hour clock: 00:20

> 00:20 = 12:20 a.m. (just after midnight)
> In words: "Twenty minutes past twelve in the morning" or "Twelve twenty a.m."

✔ Answer: Twenty minutes past twelve in the morning | 12:20 a.m.

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✔ Final Completed Table:

| # | Time in words | 12-hour clock | 24-hour clock |
|---|----------------------------------------------|-------------------|---------------|
| 1 | Quarter past two in the afternoon | 2:15 p.m. | 14:15 |
| 2 | Seven o'clock in the evening | 7:00 p.m. | 19:00 |
| 3 | Twenty-two minutes to nine in the evening | 8:38 p.m. | 20:38 |
| 4 | Twenty minutes past four in the afternoon | 4:20 p.m. | 16:20 |
| 5 | Three minutes to midnight | 11:57 p.m. | 23:57 |
| 6 | Thirteen minutes past five in the morning | 5:13 a.m. | 05:13 |
| 7 | Thirty-nine minutes past one in the morning | 1:39 a.m. | 01:39 |
| 8 | Eleven minutes to eight in the evening | 7:49 p.m. | 19:49 |
| 9 | Twenty-five minutes past three in the morning| 3:25 a.m. | 03:25 |
|10 | Fifteen minutes past eleven in the morning | 11:15 a.m. | 11:15 |
|11 | Twelve midnight | 12:00 a.m. | 00:00 |
|12 | Twelve noon | 12:00 p.m. | 12:00 |
|13 | Quarter to four in the afternoon | 3:45 p.m. | 15:45 |
|14 | Twenty minutes past twelve in the morning | 12:20 a.m. | 00:20 |

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✔ All entries are now filled correctly! Let me know if you'd like this as a printable version or need explanations for any specific conversion.