Class: Primary 3
Term: 1st Term
Topic: History of computer II
Subtitle: Mechanical counting devices
Learning Objectives:At the end of this this lesson,pupils should be able to:
Resources and materials:
Scheme of work
Instructional material: charts
Building Background/connection to prior knowledge: pupils are familiar with the topic in their previous classes.
The first computer was called the Abacus counting machine.
Early mechanical counting devices and their inventors
The first computer was made several years ago by a man called Abacus. It was used for simple additions and subtractions. It is known as theAbacus counting machine.
A Frenchman called Blaise Pascal made the first adding machine in 1642. It was a very big machine. Blaise Pascal’s father used this machine in recording taxes collected and spent by the government.
Sir Samuel Morland, an Englishman, invented three calculating machines between 1663 and
Charles Babbage, another Englishman, made the first machine that calculates and stores information. His computer was better than an ordinary calculator. It was a very big machine.
Charles Babbage is therefore known as the father of the computer.
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:
WRAP UP(CONCLUSION) Teacher goes over the topic once again for better understanding.
Write to inventors, their invention and the use of their invention.
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