Exploring the Measurement of Time : Grade 4

Measuring Time Goals

• Time is a way to measure the duration of events.

• It is measured in seconds, minutes, hours, days, weeks, months, and years.

  Today's Goal!

• Convert within a single system of measurement using the units: hours, minutes, and seconds.

Did you know......

Trivia: Did you know that the concept of measuring time using seconds and minutes dates back to ancient civilizations? The ancient Egyptians used a sundial to divide the day into 12 parts, while the ancient Babylonians used a sexagesimal system based on the number 60. This system eventually evolved into the modern concept of minutes and seconds.