Time WB
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Name: Class: Date: Chapter 11:Time 79 3 6 1 5 11 Time Practice 1 Seconds (1) How many seconds does it take the second hand of a clock to move from (a) 12 to 1? s (b) 12 to 5? s (c) 12 to 11? s (d) 3 to 8? s (e) 6 to 10? s (f) 9 to 2? s (2) How many seconds does it take the second hand of a clock to make (a) one complete turn round the clock? s (b) a quarter turn round the clock? s (c) a three quarter turn round the clock? s (d) a one and a half turn round the clock? s (e) two complete turns round the clock? s 12 6 3 9 1 2 4 5 7 8 10 11
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Time WB 4b
Transcript of Time WB
Name: Class: Date:
Chapter 11: Time 79
36
1
5
11Time
Practice 1 Seconds(1) How many seconds does it take the second hand of a clock to move from
(a) 12 to 1? s
(b) 12 to 5? s
(c) 12 to 11? s
(d) 3 to 8? s
(e) 6 to 10? s
(f) 9 to 2? s
(2) How many seconds does it take the second hand of a clock to make
(a) one complete turn round the clock? s
(b) a quarter turn round the clock? s
(c) a three quarter turn round the clock? s
(d) a one and a half turn round the clock? s
(e) two complete turns round the clock? s
12
6
39
1
2
4
57
8
10
11
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Chapter 11: Time80
(3) Look at the clock faces given. Fill in the boxes.
s later s later s later
12
6
39
1
2
457
8
1011
1.45 p.m.
12
6
39
1
2
457
8
1011
12
6
39
1
2
457
8
101112
6
39
1
2
457
8
1011
(4) Look at the clock faces. Draw the missing minute and/or second hand(s) oneach clock. Then fill in the boxes.
p.m.
p.m.
after 40 s
after 50 s
12
6
39
12
457
8
1011 12
6
39
12
457
8
1011
12
6
39
12
457
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101112
6
39
12
457
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1011 after 30 s
5.10 p.m.
p.m.
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Name: Class: Date:
Chapter 11: Time 81
12-hour clock 24-hour clock
1. 1.
2. 2.
12-hour clock 24-hour clock
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2. 2.
12-hour clock 24-hour clock
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2. 2.
12-hour clock 24-hour clock
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Practice 2 24-Hour Clock
(1) For each of the following, write down the possible times using the12-hour and 24-hour clocks.
(a)
(b)
(c)
(d)
12
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39
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57
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11
12
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12
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39
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9.30 a.m.
9.30 p.m.
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Chapter 11: Time82
06 00 18 0012 00
12 00 00 00
(2) Write down the times using either the 12-hour or 24-hour clocks.Match the letters to the answers below to solve the question.
12-hour clock 24-hour clock
6.30 a.m. L
8.45 a.m. I
O 11 15
N 12 30
6.05 p.m. R
7.45 p.m. E
M 22 05
What is a popular tourist attraction in Singapore?
10.05 p.m. 19 45 18 05 06 30 08 45 11.15 a.m. 12.30 p.m.
(3) In the time line below, mark a cross (x) to show the following times.Then write the time above each cross.
(a) 08 00 (b) 12 30 (c) 16 45
(4) In the time line below, mark a cross (x) to show the following times.Then write the time above each cross.
(a) 14 00 (b) 18 15 (c) 21 55
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Chapter 11: Time 83
(5) Rafi walked from Town A to Town E. The diagram below shows thetime he left Town A and the times he reached Towns B to E.
(a) The time Rafi took to walk from:
(i) Town A to Town B is h min.
(ii) Town B to Town C is h min.
(iii) Town C to Town D is h min.
(b) Rafi took 7 hours 15 min to walk from Town D to Town E.He reached Town E at .
Solve these word problems.
(6) (a) Sufen began her ballet lesson at 17 30. The lesson lasted45 minutes. At what time did the lesson end?
(b) A Mathematics test began at 11 35. Joy finished the test in55 minutes. At what time did Joy finish her Mathematics test?
10 00 ?10 42 11 56 14 25
A B C D E
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Chapter 11: Time84
(7) (a) Geh Min walks from her house to the bus stop every day.She leaves home at 06 52 and reaches the bus stop at 07 15.How long does Geh Min take to walk from her house to thebus stop?
(b) A movie started at 21 45 and ended at 00 36 the next day.How long was the movie?
(c) A New Year party started at 22 30 on Friday. The party endedat 01 15 the next day. How long was the party?
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Chapter 11: Time 85
(8) (a) A wedding dinner ended at 23 05. The dinner lasted 3 h 10 min.At what time did the dinner start?
(b) Mei Ling attended a lesson at a club. The lesson was 2 h 25 minlong. Her lesson ended at 10 35. At what time did it start?
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Chapter 11: Time86
(c) A football match between Geylang United and Gombak Unitedlasted 1 h 45 min. The match ended at 18 45. At what time didit start?
(d) Bala arrived at the swimming club at 15 20. He took 42 minutesto travel from his house to the club. At what time did he leavehis house?
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Challenging Practice
Name: Class: Date:
Chapter 11: Time 87
(1) Jenny celebrated her birthday on 12 October at 17 45. Her sistercelebrated her birthday 18 hours later. Give the date and time of hersister’s birthday celebration.
(2) Jerry celebrated his birthday on Saturday at 20 30. Rani celebrated herbirthday 30 hours earlier. On what day and at what time did Rani celebrateher birthday?
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Problem Solving
Name: Class: Date:
Chapter 11: Time88
09 45
10 00
?
19 45
08 00
Sydney time
Singapore time
(1) When it is 08 00 in Singapore, it is 07 00 in Bangkok. Li Ling called herfriend who was in Bangkok. The time in Singapore was 10 30.What was the time in Bangkok?
(2) When it is 08 00 in Singapore, it is 10 00 in Sydney. A plane took off fromSingapore at 09 45 and flew to Sydney. When it landed in Sydney, a clockthere showed 19 45.How long did the flight actually take?
07 00
08 00
Bangkok time
Singapore time
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