Y2 – Summer – Block 3 – Step 1 – O’clock and half past Answers

Question Answer

1

At o’clock, the minute hand points to 12

2

At half past, the minute hand points to 6

Y2 – Summer – Block 3 – Step 1 – O’clock and half past Answers (continued)

Question Answer

3

4

5

a)

b)

c)

2 o’clock

half past 5 9 o’clock

half past 8

Y2 – Summer – Block 3 – Step 2 – Quarter past and quarter to Answers

Question Answer

1

At quarter past, the minute hand points to 3

2

At quarter to, the minute hand points to 9

Y2 – Summer – Block 3 – Step 2 – Quarter past and quarter to Answers (continued)

Question Answer

3

4

5

a) We know where the numbers are on the clock even when the numbers are not shown.

b)

quarter past 5

quarter to 8 quarter to 11

quarter past 6

quarter to 12 quarter past 12

Y3 – Summer – Block 2 – Step 1 – Months and years Answers

Question Answer

1

a)

b) No.Only the number of days in February will change.

2

a) No.There are 366 days in a leap year.

b) 2024 2028 2032

3

a) Sundayb) Saturdayc) 9d) Sundaye) 24 November

4

a) <b) <c) <d) >e) =f) >g) =

5

a), b) multiple possible answers, e.g.:

Children’s answers may vary slightly, but the months should all be the same.

6

7 Dani

31

28

31

30

31

30

31

31

30

31

30

31

3 May 17 July 29 Nov

28 Feb 2 April 20 Sept

Y3 – Summer – Block 2 – Step 2 – Hours in a day Answers

Question Answer

1 morning, midday, afternoon, evening, midnight

2

3

a) 2 days = 48 hours4 days = 96 hours40 days = 960 hours41 days = 984 hours

b) 2 weeks = 14 days3 weeks = 21 days60 weeks = 420 days63 weeks = 441 days

4They could both be correct.11 o’clock in the morning is nearly lunchtime and 11 o’clock in the evening is during the night.

5

a) 8b) 85Either work out the number of days/hours in each and find the difference, or work out the difference in the number of days/hours first.

6 There is one more day in August than September, so there are 24 more hours.

7

April 720 hoursJanuary 744 hoursFebruary of a non-leap year 672 hoursFebruary of a leap year 696 hours

Y3 – Summer – Block 2 – Step 2 – Hours in a day Answers (continued)

Question Answer

8

sometimes trueIt depends on what day of the week each month starts on. For example:• If 1 September is on a Monday, then 1 October is on a Wednesday. There are then 22

school days in September and 23 schooldays in October.• If 1 September is on a Thursday, then 1 October is on a Saturday. There are then 22

school days in September and 21 schooldays in October.It could also depend on school holidays.

9

105, 110 or 115 hoursDepending on what day of the week 1 March is on, there can be 8, 9 or 10 weekend days in March.

Y3 – Summer – Block 2 – Step 3 – Telling the time to 5 minutes Answers

Question Answer

1

2

15 minutes past is the same as quarter past.30 minutes past is the same as half past.15 minutes to is the same as quarter to.

3The minute hand pointing to 2 means that it is 10 minutes past not 2 minutes past.10 minutes past 5

4

a) 20 minutes past 4b) 20 minutes to 5c) 20 minutes past 5d) 10 minutes to 10

50 minutes

10 minutes

15 minutes

50 minutes

45 minutes

40 minutes 20 minutes

25 minutes30 minutes

55 minutes0 minutes

30 minutes past

10 minutes past

15 minutes past

10 minutes to

15 minutes to

20 minutes past

25 minutes past25 minutes to

5 minutes too’clock

Y3 – Summer – Block 2 – Step 3 – Telling the time to 5 minutes Answers (continued)

Question Answer

5

a)

b)

c)

d)

6

No.There are 24 possible times during a full day, as each time could be either morning or afternoon/evening.

7

multiple possible answers, e.g.:2 o’clock, 4 o’clock, 6 o’clockIt must be o’clock for the hour hand to be also pointing to a number. It can be any even number o’clock.

Y3 – Summer – Block 2 – Step 3 – Telling the time to 5 minutes Answers (continued)

Question Answer

8

multiple possible answers, e.g.:

possible times:25 minutes to 420 minutes to 420 minutes past 425 minutes past 430 minutes (half) past 425 minutes to 520 minutes to 520 minutes past 525 minutes past 530 minutes (half) past 525 minutes to 620 minutes to 620 minutes past 625 minutes past 630 minutes (half) past 625 minutes to 720 minutes to 720 minutes past 725 minutes past 730 minutes (half) past 725 minutes to 820 minutes to 820 minutes past 825 minutes past 830 minutes (half) past 8

Y3 – Summer – Block 2 – Step 4 – Telling the time to the minute Answers

Question Answer

1When the minute hand is pointing to 4 it is 20 minutes past the hour.When the minute hand is pointing to 5 it is 25 minutes past the hour.

2

a) 21 minutes past 2b) 2 minutes past 2c) 11 minutes past 11d) 28 minutes past 6

3

a) 9b) 29c) 21d) 17e) 12f) 49

4

a)

b)

c)

5

a) 51 minutes past 1 = 9 minutes to 2b) 51 minutes past 7 = 9 minutes to 8c) 34 minutes past 7 = 26 minutes to 8d) 44 minutes past 12 = 16 minutes to 1e) 59 minutes past 9 = 1 minute to 10

6

a) 51 minutes past 29 minutes to 3

b) 44 minutes past 1116 minutes to 12

7a) She has subtracted 55 from 100, not 60b) 5 minutes to 8

48

8

22

Y3 – Summer – Block 2 – Step 4 – Telling the time to the minute Answers (continued)

Question Answer

8

a)

b)

9a) Alexb) Students should discuss the possible mistakes that Tommy and Whitney have made.

Y3 – Summer – Block 2 – Step 5 – Using am and pm Answers

Question Answer

1

Children’s answers might differ for a few activities (e.g. gymnastics practice), but others must be in the morning (e.g. sunrise and eat breakfast).

2

8:45 am is quarter to 9 in the morning.

3

7:30 pm is half past 7 in the evening.

4

a)

b)

c)

d)

5

a)

b)

c)

d)

sunrise

breakfast club

go to school

eat breakfast

alarm goes off

wake up

school play rehearsal

gymnastics practice

go home from school

lunch

after school club

football match

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Y3 – Summer – Block 2 – Step 5 – Using am and pm Answers (continued)

Question Answer

6No.Both the times are pm, and quarter past 12 is earlier than 4 o’clock.

7a) 7:15 am 10:12 am 12:10 pm 10:04 pmb) 1:11 am 8:19 am 12:41 pm 6:51 pm

8

9 7:15 pm

9 30 am

Y3 – Summer – Block 2 – Step 6 – 24-hour clock Answers

Question Answer

1

a)

am times are between 0:00 and 12:00pm times are between 12:00 and 24:00

b) 08:00c) 20:00

2

3

a)

The times shown on the clock faces are the same.The times shown on the digital clocks are different.

06:15

01:3609:29

04:42

08:00

13:07

15:1919:53

21:40

20:00

08 00

20 00

Y3 – Summer – Block 2 – Step 6 – 24-hour clock Answers (continued)

Question Answer

4

a) 07:45 is quarter to 8 in the morning.b) 13:40 is twenty to 2 in the afternoon.c) 08:25 is twenty-five part 8 in the morning.d) 19:15 is quarter past 7 in the evening.e) 15:45 is quarter to 4 in the afternoon.

5 A clock face does not show whether a time is am or pm.

6

a) 03:2702:2701:2700:27

b) 15:2716:2717:2718:27

7

a) 4:14 amb) 9:41 amc) 12:56 pmd) 12:56 ame) 1:27 pmf) 7:17 pmg) 8:48 pmh) 11:09 pm

8No.17:10 is 5:10 pm, so he has not missed the programme.

Y3 – Summer – Block 2 – Step 7 – Finding the duration Answers

Question Answer

1a) Drama club lasts 3 hours.b) Rowing club lasts 120 minutes.

2

a) 25 minutesb) 24 minutesc) 37 minutesd) 149 minutes

3Yes.He has worked out the time up to 16:00 and the time from 16:00 and added them together.

4a) 07:35 to 08:21 is 46 minutes.b) 09:25 to 10:23 is 58 minutes.

5Both are correct.1 hour 17 minutes is the same as 77 minutes.

6 1 hour and 6 minutes

7 2 hours and 21 minutes

8

We cannot tell who is right.The start time could be either 3:30 am or 3:30 pm.If it is 3:30 am, Mo is correct.If it is 3:30 pm, Alex is correct.

Y3 – Summer – Block 2 – Step 8 – Comparing durations Answers

Question Answer

1

a) MathsIt is 1 hour long and all the other lessons are under an hour.

b) PhonicsIt is 15 minutes long and the other lessons are either 45 minutes or 1 hour.

c) Guided reading and English10:30–11:15 and 11:15–12:00 are both 45 minutes.

d) 45 minutes

2

a) 37 minutesb) 43 minutesc) Amir

6 minutes

3

a) >b) <c) =d) >e) >f) <

4

a) Only bus D took over an hour.b) bus Bc) D C A B

5Mr WhiteHe leaves later but arrives at the same time, so must have a shorter journey time.

6

Arctic Adventure17:15–18:51 = 45 + 51 = 96 minutes16:55–18:37 = 5 + 60 + 37 = 102 minutes

Y3 – Summer – Block 2 – Step 9 – Start and end times Answers

Question Answer

1a) 18 minutesb) 16:25

2a) 16:55b) 17:10

3

a) 10:05b) 14:15c) 10:20d) 14:15Some children may use a number line to work out times that go over the o’clock time.

4

The film will finish at 20:08

5

a)

b)

c)

6

No.There are 60 minutes in one hour, so the programme will finish at 15 minutes past 6 (or quarter past 6).

7a) 16:04b) 15:45

20:00 20:08

19 08

Y3 – Summer – Block 2 – Step 10 – Measuring time in seconds Answers

Question Answer

1

a)

b) Annie 160 seconds Tommy 150 secondsDora 123 seconds Teddy 124 seconds

2Each minute is 60 seconds, so he has 3 bars of 60 seconds in his bar model. He can then add the values of the bars together.

3

a) 2 minutes and 17 seconds = 137 secondsb) 5 minutes and 12 seconds = 312 secondsc) 4 minutes and 42 seconds = 282 secondsd) 3 minutes and 19 seconds = 199 secondse) 6 minutes and 7 seconds = 367 secondsf) 4 minutes and 21 seconds = 261 secondsg) 654 seconds = 10 minutes and 54 seconds

4

a) >b) =c) <

5

No.Whitney has assumed that there 100 seconds in a minute. There are 60 seconds in a minute, so 327 seconds is the same as 5 minutes 27 seconds.

6 The roller coaster ride lasts 2 minutes and 17 seconds.

7

a) Alex 152 seconds 2 minutes and 32 secondsJack 162 seconds 2 minutes and 42 secondsAmir 142 seconds 2 minutes and 22 seconds

b) No.The winner is the person with the lowest time, so Amir won.

Y3 – Summer – Block 2 – Problem solving with time Answers

Question Answer

1 A week is longer than a day, so has more hours in it.

2a) 1:10 pmb) 35 minutes

3

4 45 seconds, 1 minute, quarter of an hour, one hour

5 7 weeks = 7 × 7 days = 49 days1 March to 15 April = 31 + 15 days = 46 days

6 £32

7 8:15 pm

8 113 minutes

9

a) 52 secondsb) 16 secondsc) 36 secondsd) multiple possible answers, e.g.:

She might be more tired.It might be uphill between the 2nd and 3rd cones.

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