How to Measure Time

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Mathematics, Measurement (includes Time), Operations (+, -, x, /, etc.)

Grade 3- 5

Objective

Students solve problems using everyday situations and real-life applications of math skills.

Directions

Discuss with students the fact that adding time is different from simply adding numbers. Review the following facts:
There are 60 seconds in one minute.
There are 60 minutes in one hour.
There are 24 hours in one day.
Time is measured on a clock in 12-hour segments.
The short hand points to the hour. The long hand points to the minute.
Morning (A.M.) includes the hours from midnight to noon (12:00 A.M. through 11:59 A.M.)
Afternoon (P.M.) includes the hours from noon to midnight (12:00 P.M. through 11:59 P.M.)
Give students some examples of computing time that elapses from A.M. to P.M., or vice versa. For example, help students calculate the number of hours a day they spend in school or number of hours they sleep at night.

Resources

  • How to Measure Time reference sheet
  • Practice Adding and Subtracting Time activity sheet

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