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T1W3L3

Algorithms and logic: inputs, processing, outputs

Logic and algorithm design

Devotional (5 minutes)(click to expand)
Psalm 119:105
“Your word is a lamp for my feet, a light on my path.”
Christian perspective

Clear guidance helps us navigate decisions step-by-step.

Secular perspective

Structured logic reduces errors and improves reliability.

Scenario

A solution behaves unpredictably because there is no clear process defined.

Why does defining steps matter in computing?

Lesson flow

OPENING5 min
Teacher
  • Teach IPO and a short pseudocode example.
Students
  • Identify inputs and outputs for one feature.
ACTIVITY15 min
Teacher
  • Draft IPO + pseudocode for one key feature.
Students
  • Write IPO and 6–10 lines pseudocode.
WORKBOOK15 min
Teacher
  • Peer check: clarity, completeness, edge cases.
Students
  • Add 1–2 edge cases and how handled.
Workbook questions
  1. Write IPO (Inputs, Processing, Outputs) for one key feature.
  2. Write simple pseudocode for the same feature (6–10 lines).
WRAP5 min
Teacher
  • Exit: one improvement to logic clarity.
Students
  • Record the improvement.

Resources

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IA1 Draft Checker

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Question
Write IPO (Inputs, Processing, Outputs) for one key feature.
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