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It takes 26 hours for the plane journey between London and Sydney.

# Level 3-4 Shapes - Measuring Time

In your KS3 Maths journey, most of your measuring adventures will be with 2D shapes - their length, area, perimeter, and more. You'll also explore 3D shapes like cubes or pyramids, tackling their volume or capacity. But what about the mysterious 4D? Surprise, surprise! There's a fourth dimension, and yes, you'll measure that too. Its name - time.

1.
The cycle journey from Peter's home to school takes 45 minutes. What time does he have to leave home to be at school by ten to nine in the morning?
07:55 a.m.
08:05 a.m.
08:15 a.m.
08:25 a.m.
Ten to nine is 8:50 and 50 - 45 = 5 so Peter must begin his journey no later than 8:05
2.
How many seconds are there in 5 minutes?
60
180
300
3,000
There are 60 seconds in 1 minute and 60 x 5 = 300
3.
It takes 26 hours for the plane journey between London and Sydney. If the journey starts at 11:00 on Tuesday then what time will it finish?
11:00 on Thursday
11:00 on Wednesday
13:00 on Thursday
13:00 on Wednesday
26 hours = 1 day and 2 hours
4.
If a tap drips once every 30 seconds, how many times will it drip in an hour?
30
60
90
120
It will drip twice each minute and there are 60 minutes in an hour
5.
At 01:30 p.m. what will be the time shown by a 24 hour digital clock?
01:30
11:30
13:30
21:30
To convert to a 24 hour clock just add 12 to any hours after 12 noon
6.
The train journey from Birmingham to London takes 80 minutes. At what time will the 14:40 from Birmingham arrive in London?
15:50
16:00
16:20
18:00
80 minutes = 1 hour and 20 minutes
7.
A 24 hour digital clock shows 11:30, what time is it on a 12 hour clock?
11:30 a.m.
11:30 p.m.
Could be either of the above
Neither of the above
On a 24 hour clock, numbers up to 12:00 indicate a time before noon and numbers above 12:00 indicate times after midday
8.
6 o'clock in the morning can be written as 6 a.m. What letters follow the numbers if the time is later than 12 noon?
c.m.
d.m.
p.m.
s.m
The letters are abbreviations for ante meridiem and post meridiem. Ante meridiem = BEFORE noon and post meridiem = AFTER noon
9.
Sarah left her house to go shopping at 09:30 and returned at 16:45. How many hours and minutes was she away?
6 hours and 15 minutes
6 hours and 45 minutes
7 hours and 15 minutes
7 hours and 45 minutes
16 - 9 = 7 and 45 - 30 = 15 so Sarah was gone for 7 hours and 15 minutes
10.
Travelling in a car along a motorway at an average speed of 60 miles per hour, how long will it take to travel 210 miles?
2.5 hours
3.0 hours
3.5 hours
4.5 hours
60 miles per hour is 1 mile per minute