Time calculations
Time calculations helps children practise calculating start times, end times, and durations by counting forward or back in minutes and hours. Read the short guide and look through the examples before choosing online practice or a printable worksheet.
How to solve this
- When calculating with time, work in minutes and hours separately — be careful at the 60-minute boundary.
- To find elapsed time, count on from the start time to the end time in steps of hours, then minutes.
- Check: start time + duration should equal the end time; count forward on a clock if unsure.
Examples
09:20 + 30 min
09:50
10:00 - 15 min
09:45