This 11 Plus Maths quiz helps pupils understand how time zones and duration work together when calculating travel times and time differences across the world.
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am = ante meridiem = between 12 midnight and 12 noon; pm = post meridiem = between 12 noon and 12 midnight. Learn this!
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There are 60 minutes in one hour and 24 hours in one day. So, to work out how many minutes are in one day multiply 60 by 24:
60 x 24 = 1,440 |
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If the number of minutes passes '30', the time is read as 'so many minutes (less than 60) TO the next hour, e.g. '9:50' is read as ‘ten to ten’. You need only use the word 'minutes' if the number of minutes is NOT a multiple of 5, e.g. '5:42' is read as ‘eighteen minutes to 6’ because 42 is NOT a multiple of 5
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30 minutes after 3:10 is 3:40 - twenty to four in the afternoon
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A fortnight is 2 weeks or fourteen days. The word fortnight comes from Old English for fourteen nights
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A decade lasts ten years. You’ll find ‘dec’ in many words relating to ten: December (the tenth month in the Roman calendar), decagon (a ten-sided shape), decathlon (a sport with ten events)… can you think of any others?
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There are 24 hours in a day and 365 days in a year, so to work out how many hours are in a year multiply 24 by 365: 24 x 365 = 8,760
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June has 30 days while July and August both have 31.
30 + 31 + 31 = 92 |
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There are 60 seconds in a minute so divide 3,600 by 60 to find the number of minutes:
3,600 ÷ 60 = 60 minutes or one hour |
If the number of minutes passes '30', the time is read as 'so many minutes (less than 30) TO the next hour', e.g. '6:35' is read as twenty-five to seven. It's 25 minutes because 35 minutes have already passed: 25 + 35 = 60 = the number of minutes in an hour. You need only use the word 'minutes' if the number of minutes is NOT a multiple of 5, e.g. '3:42' is read as eighteen minutes to four because 18 is NOT a multiple of 5
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