MA19.3.18

Mathematics (2019) Grade(s): 3

MA19.3.18

Tell and write time to the nearest minute; measure time intervals in minutes (within 90 minutes.)

Unpacked Content

Knowledge

Students know:
  • Conventions for time notation.
  • Time sequence patterns.
  • Strategies to determine elapsed time.

Skills

Students are able to:
  • Accurately read and write time to the nearest minute from analog and digital clocks.
  • Measure time intervals in minutes.
  • Illustrate elapsed time using a number line.
  • Solve problems involving elapsed time in minutes (with 90 minutes) or hours.

Understanding

Students understand that:
  • An analog clock is a whole partitioned into 60 parts and each part is one minute.
  • A number line can be partitioned to show time intervals in minutes.
  • A number line can be used to solve word problems that involve time intervals.

Vocabulary

  • Minute
  • Time interval
  • Number line diagram
  • Analog
  • Digital
  • Elapsed time
  • Half-hour
  • Quarter-hour
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