# Binary Number System – Conversion of base 2 – 10/base 10 – 2(Primary 5)

MATHEMATICS

SMASE – ASEI PDSI METHOD

THIRD TERM

WEEK 8

PRIMARY 5

TOPIC: Binary Number System

LEARNING AREA

• Lesson One – Conversion of base 2 to base 10
• Lesson Two – Conversion of base 10 and base 2
• Lesson Three – Further Practice on conversion between Base 2 to base 10
• Lesson Four – Revision, Quantitative and Test

TIME – 40 Minutes each.

LEARNING OUTCOME

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

1. Conversion of Base 10 to Base 2;
2. Conversion of Base 2 to Base 10;
3. Solve Quantitative Reasoning.

RATIONALE

Binary is a number system that represent a base 2 number system. This means it only has two numbers: 0 and 1. The application of binary number system is mostly found in computer technology. Computer language and programming is based on the binary number system. That’s 2 – digits numbers (0 and 1).

The concept of binary number system will enable the pupils to the relationship between base 2 and base 10, addition and subtraction of binary number.

LEARNING MATERIALS

The teacher will teach the lesson with the aid of binary number chart.

PREVIOUS KNOWLEDGE

The pupils have the understanding of basic operations such addition, substation, multiplication and division. This will help to further their understanding on binary number system.

REFERENCE MATERIALS

1. 9 – Years Basic Education Curriculum
2. Lagos State Scheme of work
3. New Method Mathematics Book
4. All Relevant Materials
5. Online Materials

• ### LESSON DEVELOPMENT 3 – FURTHER PRACTICE ON CONVERSION TO BASE 2 AND BASE 10 docx

• LESSON DEVELOPMENT 4 – REVISION, QUANTITATIVE AND TEST

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