Measures and Time: Practice Set 4
Measures and Time: Practice Set 4 brings together unit conversion (length, mass and capacity), time calculations across the 24-hour clock and timetables, and simple compound measures such as speed, at the depth expected in the harder half of GL and CEM 11+ maths papers, where several of these skills are usually combined in a single question.
Before you start
Make sure you're comfortable with these topics first:
Method
- Learn the standard metric conversions (multiplying or dividing by 10, 100 or 1000) between mm/cm/m/km and g/kg and ml/l, and convert to matching units before calculating.
- Convert carefully between 12-hour and 24-hour clock times, remembering that 12:00 midday stays 12:00 but 12:00 midnight becomes 00:00.
- For duration questions, count on in stages, to the next whole hour, then the remaining minutes, rather than subtracting straight across an hour boundary.
- For timetable questions, read carefully along the correct row or column, and check whether the question wants a single journey time or a connection between two services.
- For speed, distance and time problems, remember distance = speed x time, and rearrange this to find whichever quantity is missing.
- Check that the units in your final answer match what the question asked for, for example minutes rather than hours, or km rather than m.
Worked example
A train timetable shows a train leaves London at 09:48 and arrives in Leeds at 12:15. It then leaves Leeds at 12:50 and arrives in York at 13:35. How long, in total, does the whole journey from London to York take, including the wait in Leeds?
- Find the London to Leeds journey time: from 09:48 to 12:15 is 2 hours 27 minutes.
- Find the wait time in Leeds: from 12:15 to 12:50 is 35 minutes.
- Find the Leeds to York journey time: from 12:50 to 13:35 is 45 minutes.
- Add the wait and the second journey first: 35 + 45 minutes = 80 minutes, which is 1 hour 20 minutes.
- Add this to the first journey time: 2 hours 27 minutes + 1 hour 20 minutes = 3 hours 47 minutes.
Practice questions
Type your answer and press Check to be marked straight away, or reveal the answer and mark yourself.
Q1Convert 3.4 kilometres to metres.Show answer
Answer: 3400 m
Q2Convert 2500 millilitres to litres.Show answer
Answer: 2.5 litres
Q3Write 15:20 in 12-hour clock time.Show answer
Answer: 3:20 pm
Q4A journey starts at 10:45 and takes 1 hour 50 minutes. What time does it finish?Show answer
Answer: 12:35
Q5A car travels 180 km in 3 hours. What is its average speed in km/h?Show answer
Answer: 60 km/h (180 / 3)
Q6Convert 4 kg 250 g to kilograms as a decimal.Show answer
Answer: 4.25 kg
Exam-style questions
Written in the style of a 11+ exam paper, with a full mark scheme.
A cyclist sets off at 08:55 and arrives at her destination at 11:20. She travels 47 km in total. (a) How long, in hours and minutes, does the journey take? (b) Calculate her average speed in km/h, giving your answer to 1 decimal place.
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A bus timetable shows a bus leaves the depot at 07:15 and calls at four stops, each stop 12 minutes after the last, before a final 25-minute run to the town centre. (a) At what time does the bus arrive at the fourth stop? (b) At what time does the bus arrive at the town centre? Give both answers using the 24-hour clock.
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Free printable worksheet
Want more practice on paper? Download the measures and time: practice set 4 worksheet pack - 9 pages of exam-style questions with a full mark scheme. One email opens every download in this browser for 14 days - no account, no card. Print it for personal and classroom use.
This topic is chapter 10 of 11+ Maths Workbook 3, the whole course as one free printable PDF.
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