Common I.T Devices, Calculator for Primary 1

Class: Primary One
Term: third Term
Subject: Basic Science adn Technology
Curriculum Theme: Computer studies
Previous Lesson: Common I.T Devices, Organizer
Topic: Common I.T devices – Calculator
Content/Learning Area: Identify and name different types of calculators,List two uses of a calculator
Time Allocation: 40 minutes

Performance Objectives

By the end of the lesson,pupils should be able to:

• cognitive Domain:

1. Identify and name different types of calculators.
2. List two uses of a calculator.

• Psychomotor Domain:

1. Operate a basic calculator.

• Affective domain:

1. Show interest in learning about calculators.

• Social Domain:

1.Work cooperatively with peers during activities.

Reference Materials

• 9 – Years Basic Education Curriculum
• Abuja Educational Resource Center Scheme of Work
• NAPPS National Unified Scheme of Work
• Online information
• Relevant Textbooks

Instructional Materials

To deliver this lesson, the teacher will use the following materials:

• Different types of calculators (basic, scientific, etc.)
• Whiteboard or chart paper
• Markers
• Pictures or diagrams of calculators

Rationale for the Lesson

Understanding calculators is crucial for basic mathematical skills. This lesson lays the foundation for more advanced mathematical concepts and problem-solving in later years.

Prerequisite/Previous Knowledge

The teacher will start by asking pupils what they already know about calculators. A brief discussion will follow, leading into the lesson’s topic. The teacher will then show different types of calculators.

Lesson Content

What is a Calculator?

A calculator is a helpful tool that makes calculations quick and easy. It can add, subtract, multiply, and divide numbers, and even do more complex calculations.

Types of Calculators

Calculators come in various forms,each designed for specific purposes. These include:

1. Basic calculators: These are simple and do basic math.
2. Scientific calculators: These can do more complex calculations, like trigonometry.
3. Graphing calculators: These can show graphs of equations.
4. Financial calculators: These are for financial calculations, like interest.
5. Printing Calculators: These calculators print out a record of calculations, useful for accounting.
6. Online Calculators: These are virtual calculators available on computers or mobile devices.

Uses of Calculators

Calculators are versatile tools with numerous applications in various fields.They are:

1. Basic Arithmetic Operations: Adding, subtracting, multiplying, and dividing numbers.
2. Complex mathematical Calculations: Doing more arduous math problems.
3. Financial calculations: Figuring out things like interest rates.
4. Measurement Conversions: Changing measurements from one unit to another (like centimeters to inches).
5. Statistical Analysis: Calculating statistical measures like mean, median, and standard deviation.
6. Engineering Calculations: Solving complex engineering problems involving formulas and equations.

teaching Methods

To deliver this lesson,‌ ⁤the teacher will⁤ adopt⁤ the following methods: Discussion, Exhibition, Question and Answer

Instructional Procedures

to deliver this lesson, the teacher will adopt the following steps:

Step 1: Introduction (Set Induction)

Time: 5 minutes
Teaching Skill: Questioning
Teacher’s Activity: Asks pupils what they know about calculators and shows different types.
Pupils’ Activity: Respond to questions and observe the different calculators.

Step 2: Clarification of Key Concepts

Time: 10 minutes
Teaching Skill: Explaining
Teacher’s Activity: Explains what a calculator is and its basic functions.Pupils’ Activity: Listen attentively and ask clarifying questions.

Step 3: Demonstration/Guided Practice

Time: 10 minutes
Teaching Skill: Demonstrating
Teacher’s Activity: Demonstrates how to use a basic calculator to perform simple calculations.
Pupils’ Activity: Observe the demonstration and participate in guided practice.

Step 4: Independent Practice

Time: 5 minutes
Teaching Skill: Monitoring
Teacher’s Activity: Guides pupils as they work independently on simple calculations.
Pupils’ Activity: Practice using calculators to solve problems.

Step 5: Note-taking

Time: 5 minutes
Teaching Skill: Note-taking
Teacher’s Activity: Guides pupils in taking notes on the key concepts and types of calculators.
Pupils’ Activity: Write down crucial information.

Step 6: Evaluation/Review

Time: 5 minutes
Teaching Skill: Questioning
Teacher’s Activity: Asks questions to assess understanding.
Pupils’ Activity: Answer questions to demonstrate understanding.

Objective-aligned checks:

1. Identify and name different types of calculators.
2. List two uses of a calculator.
3. Show interest in learning about calculators.

Step 7: Conclusion

Time: 5 minutes
teaching Skill: Summarizing
Teacher’s Activity: Summarizes the key points about calculators and their uses.
Pupils’ Activity: Listen and ask any remaining questions.

Lesson Keywords

• Calculator – A device used for performing mathematical calculations.
• Basic Calculator – A simple calculator that performs basic arithmetic operations.
• Scientific Calculator – A calculator that can perform complex calculations like trigonometry.
• Graphing Calculator – A calculator that can display graphs of equations.
• Financial Calculator – A calculator used for financial calculations like interest rates.

Lesson Evaluation

To evaluate the learning, the teacher asks pupils to:

1. Name three types of calculators.
2. give two examples of when you might use a calculator.
3. What are the four basic operations a calculator can perform?

Assignment/Homework

1. List five different uses of a calculator in everyday life.
2. Find examples of different types of calculators and describe what they are used for.

Differentiation

• For slower learners: Provide one-on-one assistance and simplify calculations.
• For advanced learners: Introduce more complex calculations and problems.
• For visual/auditory/kinesthetic learners: Use visual aids, verbal explanations, and hands-on activities.

Note for Teachers

Ensure to have a variety of calculators available for pupils to explore.Encourage pupils to ask questions and provide real-life examples to make the lesson engaging.Observe pupils’ participation in discussions and their ability to use a calculator to assess their understanding of different calculator types.