The Idea of Linear Measurement

Subject : 

Basic Science and Technology

Term :

First   Term / 1st Term


Week 1

Class :

Basic 3 / Year 3 / Primary 3


Previous lesson : 

The pupils have previous knowledge of pests and disease control of plants in their  previous lesson


Topic: Measurement

Subtitle: Measurement of Length


Behavioural objectives :

At the end of the lesson, the pupils should be able to

  • explain the meaning of linear measurement
  • Mention different types of simple tools that are used to measure

Instructional Materials :

  • Wall charts
  • Pictures
  • Related Online Video
  • Flash Cards
  • Rulers

Methods of Teaching :

  • Class Discussion
  • Group Discussion
  • Asking Questions
  • Explanation
  • Role Modelling
  • Role Delegation


Reference Materials :

  • Scheme of Work
  • Online Information
  • Textbooks
  • Workbooks
  • 9 Year Basic Education Curriculum
  • Workbooks


Content :

Linear measurement is related to how we measure how long an object is. We can use objects like ruler , tape rule or arm stretch to measure how long an object is . The basic unit of measuring length is metre . Other units of measuring length are as follow

10 millimetres make 1 centimetre

10 centimetres make 1 decimetre

10 decimetres make 1 metre

1000 metres make 1 kilometre

Measurement of length is the process of measuring the distance between any two points in term of width, thickness, depth, and height.




The topic is presented step by step


Step 1:

The class teacher revises the previous topics


Step 2.

He introduces the new topic


Step 3:

The class teacher allows the pupils to give their own examples and he corrects them when the needs arise




The class teacher wraps up or conclude the lesson by giving out short note to summarize the topic that he or she has just taught.

The class teacher also goes round to make sure that the notes are well copied or well written by the pupils.

He or she does the necessary corrections when and where  the needs arise.



1. Measure the height of your desk.

2. mention three instrument for measuring length

3. convert 500 centimeters to meter

4. How tall are you . Measure your height

5. Convert 2 kilometres to metres

6. Change 300 decimetre to metres





Prepare for the next lesson by reading about  mass or weight measurement



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