Time Unit Conversion Worksheet

• Section 1 of the time unit conversion worksheet contains 27 skills-based time unit conversion questions, in 3 groups to support differentiation
• Section 2 of the time worksheet contains 3 applied time unit conversion questions with a mix of time word problems and deeper problem solving questions
• Section 3 contains 4 foundation and higher level GCSE exam style time unit conversion questions
• An answer key and a mark scheme for all time unit conversion questions are provided
• Questions follow variation theory with plenty of opportunities for students to work independently at their own level
• All questions created by fully qualified expert secondary maths teachers
• Suitable for GCSE maths revision for AQA, OCR and Edexcel exam boards

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Time unit conversion at a glance

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:

• 60  seconds = 1  minute
• 60 minutes = 1  hour
• 24 hours = 1 day
• 7 days = 1 week
• 365 days = 1 year

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.

For more teaching and learning support on Ratio and Proportion our GCSE maths lessons provide step by step support for all GCSE maths concepts.

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