LESSON PLAN
Grade 9 – Information and Communication Technology
I. OBJECTIVES
1. Convert binary code in decimal number
2. Interpret decimal number with corresponding characters/ letters
II.
SUBJECT MATTER
A. Topic
How to Interpret Binary Code Using ASCII Chart
B. Materials
Power Point Presentation, Video
C. Reference
Computer System Servicing Module, TLE_IACSS912PMC-IIb-d-11
D. Value
Appreciation on how computer calculates data
III.
PROCEDURE
A. 1. Pre - activity
1. Checking of Attendance
2. Review
What are the number system we used?
How do you convert decimal numbers into binary code?
3. Motivation
Show a video on how binary code works.
A. 2. Activity Proper
Each group will arrange a combination of bits and count how many bytes.
B. Analysis
What are the steps in converting binary code into decimal number?
1. Write down the binary code horizontally.
2. From the right to left, write the index value of binary code (1, 2, 4, 8, 16,
32, 64, 128).
3. Multiply the binary code and the index value.
4. Add the product of binary code and the index value.
5. The result is the decimal equivalent of the binary code.
Based on the American Standard Code for Information Interchange Conversion
Chart, how do decimal numbers correspond with letters/symbols?
C. Abstraction
How do you convert binary code into decimal number?
How do you interpret decimal number into characters or letters?
D. Application
Using the data in the class activity, convert the binary code into decimal
numbers and interpret the corresponding character or letter using the American
Standard Code for Information Interchange Chart.
IV.
EVALUATION
Complete the following table:
Binary Code
0100 1101
0100 0001
0100 1110
V.
ASSIGNMENT
Bring laptop for each group.
Prepared by:
BARLEY M. CIOCON
ICT Teacher
Decimal Number
Character/Letter