Operations with Time

Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes to make the latest possible time.

Hint

How do we find out how many minutes it will be after a certain time? What part of the time represents the hour?
What part of the time represents the minutes?

Answer

The latest possible time would be 87 minutes after 9:56 pm which is 11:23 pm. Students might pick 76 minutes after 9:58 pm, so conversations about the significance of place value in time may be worthwhile at that point.

Source: Robert Kaplinsky

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16 comments

  1. Susan Mary Clarke

    I needed to demo one go, then the class was a way trying out possibilities…Thank-you.

  2. 2 mins after
    11:58

  3. 1 mins after
    11:59

  4. John Birnstengel

    7 minutes after
    5:23

  5. 1 min after 11:58

  6. Operations with Time
    Directions: Use the digits 1 to 9, at most one time each, to fill in the boxes to make the latest possible time.

    5 minutes after 2:00 pm time =2:05

  7. This is very hard, I even think it’s impossible.

  8. 37 minutes after 5:19

  9. Taeyang Miller

    87minutes after 9:56

  10. 2 minutes after 7:58

  11. My 2nd graders say 87 minutes after 9:56 or
    86 minutes after 9:57 is 11:23

  12. 5 min after
    5:42 it will be 5:47

  13. Hailey (and her Dad)

    76 minutes after 9:58

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