Lesson Plan: Time in Seconds Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to measure time in seconds using stopwatches and clocks with a second hand, calculate durations in seconds, and make simple conversions between minutes and seconds.


Students will be able to

  • understand that there are 60 seconds in a minute,
  • read a stopwatch and the second hand on a clock to measure time in seconds,
  • calculate the duration in seconds from a start time and an end time,
  • convert between seconds and minutes.


Students should already be familiar with

  • finding the difference between numbers up to 100,
  • addition of numbers up to 1,000.


Students will not cover

  • converting between units of time other than seconds and minutes.

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