JHS1 Computing · Term 3 Week 9: Introduction to Programming

Lesson notes

Indicator: B7.4.1.1.3 - Demonstrate the use of constants and variables used in programming

By the end of the lesson, learners can:

Define constants and variables in their own words with reference to programming.
Distinguish between constants and variables by identifying examples of each in everyday life and in simple code.
Demonstrate how to declare and assign values to variables and constants in simple program lines.
Explain at least two benefits of using variables instead of constants in a program.
Trace how the value of a variable changes when it is reassigned during program execution.

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Strand: Computational Thinking (Strand 4)
Sub-strand: Introduction to Programming (4.1)
Content standard: B7.4.1.1 - Show an understanding of the concept of programming
Indicator: B7.4.1.1.3 - Demonstrate the use of constants and variables used in programming
Suggested placement: Term 3, Week 9 (Week 33 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Computing, Common Core Programme (JHS1-JHS3), 2023, p. 20
Transcribed from the official NaCCA publication. Check this page against the source.

1. Show how constants and variables are used in programming.
2. Discuss the benefits of using variables instead of constants.