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Use relationships between time units and compare event durations.
Free examples and worked answers. No account needed.
Practise the method.
Use relationships between time units and compare event durations.
Use relationships between time units and compare event durations.
Example 1
A camp lasts 3 full days. How many hours is this?
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Answer: 72
- There are 24 hours in each full day.
- 3×24=72 hours.
Example 2
A timer runs for 208 seconds. A second timer runs for 3 minutes. How many seconds longer does the first timer run?
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Answer: 28
- 3 minutes =3×60=180 seconds.
- 208−180=28 seconds longer.
Example 3
A timer runs for 317 seconds. A second timer runs for 5 minutes. How many seconds longer does the first timer run?
Show worked answer
Answer: 17
- 5 minutes =5×60=300 seconds.
- 317−300=17 seconds longer.
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