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Strategies for teaching calculation of time

Discussion in 'Mathematics' started by trinity0097, Nov 23, 2011.

  1. trinity0097

    trinity0097 New commenter

    I do it on a number line. Jumping to the next hour (or next multiple of 10 minutes then the hour for less able), then to the hour before the end time, then to the final number.
    I then add up the minutes, and convert to hours and minutes if necessary, then add on the hours.
  2. Anonymous

    Anonymous New commenter

    Numberline. Works for me. Except I call it a timeline.
    Depends on the context of the question - either find the difference or counting on.
    Those pesky 60 minutes do get in the way though!! Wouldn't it be easier to be a 100 minutes!!!
  3. Does anyone teach borrowing an hour? Would you advise against it?

    For calculator work do you encourage the use of the degrees/minutes/seconds key?
  4. Anonymous

    Anonymous New commenter

    Don't you just love it when children use calculators to divide say 23 hrs by 5 and they get 4.6 hrs. Then have no idea what that means. 4hrs 6 mins? 4hrs 60 mins?

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