Help your students prepare for their Maths GCSE with this free worksheet of 34 questions and answers on time unit conversion
Time unit conversion involves converting between different units of time. It is important to remember that, unlike the metric system, time does not work in powers of 10 .
The time conversion rates are:
Converting to smaller or larger units can make a measurement of time easier to understand. For example, 14400 seconds is much easier to understand when it is converted to 4 hours.
Mistakes can often be made when converting hours to minutes and converting minutes to seconds or vice versa.
To convert hours to minutes we must multiply by 60 , for example 1.5 hours = 1.5 times 60 = 90 minutes. To convert hours to minutes, we must divide by 60 , for example 75 minutes = 1.25 hours = 1 hour 15 minutes. Notice here that 0.25 hours is 15 minutes (a quarter of an hour) not 25 minutes as 60 times 0.25 = 15 .
In order to solve problems involving time unit conversion, students should be confident in telling time and the 24 hour clock.
Looking forward, students can then progress to additional conversion worksheets and other ratio and proportion worksheets, for example a ratio worksheet or a simplifying and equivalent ratios worksheet.
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