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Units of time

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Intros
Lessons
  1. Introduction to Units of Time:
  2. What are the different units of time?
  3. When to multiply or divide when converting units of time.
  4. How to convert between different units of time.
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Examples
Lessons
  1. Common Durations of Time
    Which unit of time should you use to describe the following?
    • Listening to a song?
    • Watching a movie?
    • Typing a question into a website browser?
    1. Converting Units of Time in a Table
      Fill in the table to convert between different units of time.
      1. Minutes and seconds
        Time: Units of Time
      2. Hours and minutes
        Time: Units of Time
      3. Days and hours
        Time: Units of Time
      4. Weeks and days
        Time: Units of Time
    2. Converting Between Different Units of Time
      Fill in the blanks by converting the times
      1. Between seconds, minutes and hours
        5 min = ____s \qquad ____min = 2 h \qquad 1 h = ____s \qquad ____h = 240 min
      2. Between hours, days and weeks
        4 d = ____h \qquad ____wk = 35 d \qquad 1 wk = ____h \qquad ____h = 3 d
      3. Between months, years, decades, centuries and millennia
        2 y = ____mo \qquad __decades = 20 y \qquad 5 centuries =__y \qquad __millennia = 8000 y
    3. Comparing Different Units of Time
      Which amount of time is longer? Show your work; convert times into the same units to compare.
      1. 90 min OR 1 h 40 min
      2. 267 s OR 5 min 4
      3. 126 h OR 4 d 21 h
      4. 28 d OR 3 wk 5 d
      5. 30 mo OR 2 y 5 mo
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    Practice
    Topic Notes
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    In this lesson, we will learn:

    • The different units of time: years, months, weeks, days, hours, minutes, and seconds
    • The units of time for many years: decades, centuries, millennia
    • How to convert between the different units of time

    Notes:

    • Units of time are intervals of time that measure duration
      • The most common units of time that we see are: years, months, weeks, days, hours, minutes, and seconds

    Time: Units of Time

      • Even longer intervals of time include: decades, centuries, and millennia
    Time: Units of Time

    • When converting between different units of time:
      • Multiply when changing from bigger to smaller time units
      • Divide when changing from smaller to bigger time units
      • Use the conversion list of equivalent times:

    Time: Units of Time

    • Examples:

    Time: Units of Time