The Science of Measurement · Measurement

Time and Duration

Reading analog and digital clocks and calculating elapsed time across hours and minutes.

Key Questions

  1. 1Why is our system for measuring time based on 60 rather than 100?
  2. 2How does the 24 hour clock reduce confusion in international travel?
  3. 3What strategies can we use to find the end time of an event that lasts 145 minutes?

NCCA Curriculum Specifications

NCCA: Primary - MeasurementNCCA: Primary - Time
Class/Year: 4th Class
Subject: Mastering Mathematical Thinking: 4th Class
Unit: The Science of Measurement
Period: Measurement

Suggested Methodologies

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