Lesson Notes By Weeks and Term - Primary 3

Measurement of time


Subject: Basic Science

Class: Primary 3

Term: 1st Term

Topic: Measurement of Time

Subtitle: Time

Learning Objectives:At the end of this this lesson,pupils should be able to:

  1. Define time
  2. State two instruments for measuring time
  3. State metric unit of time

Resources and materials:

Scheme of work

Online information

Instructional material: picture chart, clock and stop watch

Building Background/connection to prior knowledge: pupils are familiar with the topic in their previous class.



Definition of time

Time is the measured or measurable period during which an action, process, or condition exists or continues.

Instruments for measuring time include the following, in ancient period people or know time using sun rising and it setting, moon length of shadow, star, cock crow and hour glass. In modern time, that’s this era we use clock, stop watch, hour glass or calendar.

These instruments can be anything that exhibits two basic components: (1) a regular, constant, or repetitive action to mark off equal increments of time, and (2) a means of keeping track of the increments of time and of displaying the result

The international system (SI) Unit of measuring time is seconds(s).


Hour glass              Clock



Strategies& Activities:

Step1:Teacher revises the previous topic.

Step2:Teacher introduces the new topic.

Step3:Teacher explains the new topic.

Step4: Teacher welcomes pupils’ questions.

Step5: Teacher evaluates the pupils.

Assessment & Evaluation:1. State two traditional ways of measuring time

  1. state four olden methods of measuring time

WRAP UP(CONCLUSION) Teacher goes over the topic once again for better understanding.

Assignment: 1. state three modern instruments for measuring time.

  1. the basic unit for measuring time is the…………………
  2. how many seconds is in 60minutes?
  3. how many days are there in ordinary year?

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