Time

12 Grade 4 Mathematics questions on Time, with worked marking schemes. 12 questions are available on this topic in full.

1. Question 1

   1 mark

   How many minutes are in 3 hours 20 minutes?

   A. 190 min

   B. 180 min

   C. 220 min

   D. 200 min

   (1 mark)

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2. Question 2

   1 mark

   Convert 180 minutes to hours.

   A. 1 hour 30 min

   B. 4 hours

   C. 2 hours

   D. 3 hours

   (1 mark)

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3. Question 3

   1 mark

   How many weeks and days are in 45 days?

   A. 6 weeks 3 days

   B. 7 weeks 3 days

   C. 6 weeks 5 days

   D. 5 weeks 5 days

   (1 mark)

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4. Question 4

   1 mark

   Which comes first in the year: June or August?

   A. They are the same

   B. June

   C. Depends on year

   D. August

   (1 mark)

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5. Question 5

   1 mark

   A film started at 2:45 p.m. and lasted 1 h 50 min. When did it end?

   A. 4:35 p.m.

   B. 3:35 p.m.

   C. 5:35 p.m.

   D. 4:45 p.m.

   (1 mark)

   Marking scheme

   A. $4:35$ p.m. — add the hours then the minutes: $2:45$ plus $1$ hour is $3:45$, and $45+50=95$ min, which is $1$ h $35$ min, giving $4:35$. D adds the minutes without carrying the extra hour.

6. Question 6

   1 mark

   How many minutes are there in $2\frac{1}{2}$ hours?

   A. $130$

   B. $120$

   C. $90$

   D. $150$

   (1 mark)

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7. Question 7

   1 mark

   School starts at 7:30 a.m. It ends at 3:00 p.m. Duration?

   A. 8 h 30 min

   B. 6 h 30 min

   C. 7 h 30 min

   D. 7 h 0 min

   (1 mark)

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8. Question 8

   1 mark

   The time is 9:20 a.m. What will the time be in 2 hours 45 minutes?

   A. 12:05 p.m.

   B. 11:65 a.m.

   C. 12:05 a.m.

   D. 11:05 a.m.

   (1 mark)

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9. Question 9

   1 mark

   Write 11:45 p.m. in 24-hour format.

   A. 01:45

   B. 11:45

   C. 23:45

   D. 13:45

   (1 mark)

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10. Question 10

    1 mark

    How many days are in March?

    A. 28

    B. 29

    C. 31

    D. 30

    (1 mark)

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11. Question 11

    3 marks

    A matatu left Nairobi at $8:30$ a.m. and arrived in Nakuru at $11:15$ a.m. How long did the journey take?

    (3 marks)

    Marking scheme

    From $8:30$ to $11:30$ is $3$ hours, but the matatu arrived at $11:15$, which is $15$ minutes earlier. So the time is $3\text{ h}-15\text{ min}=2\text{ h }45\text{ min}$. The journey took $2$ hours $45$ minutes.

12. Question 12

    1 mark

    A train arrives at 08:15. The journey took 2 h 40 min. When did it depart?

    A. 05:45

    B. 05:35

    C. 06:45

    D. 06:35

    (1 mark)

    Marking scheme

    B. $05:35$ — the journey is subtracted from the arrival time: $08:15$ take $2$ h is $06:15$, then take $40$ min, which needs borrowing an hour: $05:35$. D forgets that borrow.

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