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Mathematics questions, unit 5

Time

31 marks. Use Practice to check each answer as you go, or Exam to answer everything against the clock first.

Section A: objective questions

13 marks
Choose the correct answer.
1

Question 1

1 graduation on a clock is ______
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A
Each little line is 1 graduation = 1 minute. From one number to the next is 5 minutes.
For the teacher: Remembering, low difficulty, standard 5.1.1
Textbook p. 40
2

Question 2

Half an hour = ______
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B
From 12 to 6 is half an hour = 30 minutes.
For the teacher: Remembering, low difficulty, standard 5.1.1
Textbook p. 41
3

Question 3

1 hour = ______
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C
The minute hand moves one complete circle in 1 hour: 60 minutes.
For the teacher: Remembering, low difficulty, standard 5.2.1
Textbook p. 47
4

Question 4

1 day = ______
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B
12 hours + 12 hours = 24 hours = 1 day.
For the teacher: Remembering, low difficulty, standard 5.2.1
Textbook p. 48
5

Question 5

Diagram 1 shows a clock. How many minutes past 7 is it?
Clock showing 7:20
Diagram 1
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C
The minute hand is on 4. 4 × 5 = 20 minutes. It is 7:20.
For the teacher: Understanding, low difficulty, standard 5.1.1
Textbook p. 40
6

Question 6

Diagram 2 shows a clock. What is the time?
Clock showing 8:05
Diagram 2
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A
The hour hand is just past 8 and the minute hand is on 1 (5 minutes): five minutes past eight, 8:05.
For the teacher: Remembering, low difficulty, standard 5.1.2
Textbook p. 42
7

Question 7

Diagram 3 shows a digital clock. Say the time.
Digital clock showing 4:40
Diagram 3
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B
4:40 is said "four forty".
For the teacher: Understanding, low difficulty, standard 5.1.3
Textbook p. 43
8

Question 8

Seven fifty-five in numerals is ______
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C
Seven is the hour and fifty-five is the minutes: 7:55.
For the teacher: Understanding, low difficulty, standard 5.1.3
Textbook p. 43
9

Question 9

A quarter past two in numerals is ______
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A
A quarter of an hour is 15 minutes, so a quarter past two is 2:15.
For the teacher: Understanding, low difficulty, standard 5.1.2
Textbook p. 43
10

Question 10

A quarter of an hour is ______
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D
60 minutes ÷ 4 = 15 minutes.
For the teacher: Understanding, medium difficulty, standard 5.2.1
Textbook p. 47
11

Question 11

Diagram 4 shows the start of a story-telling activity. It went on for 1 hour. What time did it end?
Clock showing 2 o'clock
Diagram 4
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D
1 hour is one complete circle of the minute hand. The hour hand moves from 2 to 3. It ended at 3 o'clock.
For the teacher: Applying, medium difficulty, standard 5.3.1
Textbook p. 50
12

Question 12

Dinner started 25 minutes after 8:00 in the evening. What time did dinner start?
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B
Count on in fives: 5, 10, 15, 20, 25. 8:00 + 25 minutes = 8:25.
For the teacher: Applying, medium difficulty, standard 5.3.1
Textbook p. 49
13

Question 13

A chess game started at 4:00 in the afternoon. It ended when the minute hand was on 8. What time did it end?
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C
8 × 5 = 40 minutes. 4:00 + 40 minutes = 4:40.
For the teacher: Applying, medium difficulty, standard 5.3.1
Textbook p. 51

Section B: structured questions

18 marks
Answer all questions.
14

Question 14

Complete.
[1 mark] (a)40 graduations is ____ minutes.
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Tick each point you got.
[1 mark] (b)When the minute hand moves from 12 to 7 it means ____ minutes.
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Tick each point you got.
[1 mark] (c)A quarter of an hour is ____ minutes.
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Tick each point you got.
For the teacher: Remembering, low difficulty, standard 5.1.1
Textbook p. 41
15

Question 15

Diagram 5 shows three clocks. Write each time in words.
Clock P showing 10:00
Clock P
Clock Q showing 12:05
Clock Q
Clock R showing 3:30
Clock R
[1 mark] (a)Clock P
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Tick each point you got.
[1 mark] (b)Clock Q
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Tick each point you got.
[1 mark] (c)Clock R
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Tick each point you got.
For the teacher: Understanding, low difficulty, standard 5.1.2
Textbook p. 42
16

Question 16

Write the time in numerals.
[1 mark] (a)Eleven twenty
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Tick each point you got.
[1 mark] (b)A quarter past two
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Tick each point you got.
[1 mark] (c)Five minutes past twelve
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Tick each point you got.
For the teacher: Understanding, low difficulty, standard 5.1.2
Textbook p. 44
17

Question 17

Siti wrote the activities at the school Telematch in a table.
TimeActivity
7:45 in the morningExercise
12:00 in the afternoonLunch
3:25 in the afternoonTreasure hunt
[1 mark] (a)What time is lunch?
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Tick each point you got.
[1 mark] (b)What activity is after lunch?
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Tick each point you got.
For the teacher: Applying, medium difficulty, standard 5.1.4
Textbook p. 45
18

Question 18

Diagram 6 shows the time a drawing class started. The class took 1 hour.
Clock showing 2 o'clock
Diagram 6
[1 mark] (a)Write the time the class started in words.
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Tick each point you got.
[1 mark] (b)What time did the class end? Write in numerals.
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Tick each point you got.
For the teacher: Applying, medium difficulty, standard 5.3.1
Textbook p. 50
19

Question 19

Solve.
[1 mark] (a)The gotong-royong started at 9:30 in the morning. Write the time in words.
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Tick each point you got.
[1 mark] (b)Nani entered Mega Aquaria at a quarter past three in the afternoon. Write the time in numerals.
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Tick each point you got.
[1 mark] (c)Nani coloured for 1 hour. How many minutes is that?
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Tick each point you got.
For the teacher: Applying, medium difficulty, standard 5.3.1
Textbook p. 51
20

Question 20

Lim says, "4:40 and 4:04 are the same time." Is he correct?
[2 marks] (a)Answer Yes or No and explain.
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Tick each point you got.
For the teacher: Evaluating, high difficulty, standard 5.1.3
Textbook p. 44