Prompting Fundamentals
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Learning Objectives
- 1Explain what a prompt is and why clear prompts matter
- 2Identify the four core parts of a strong prompt: Role, Task, Context, Format
- 3Rewrite a weak prompt into a strong, specific one
- 4Add constraints and examples to guide an AI tool
Mini Lesson
A prompt is the message you send to an AI tool. The quality of the answer almost always matches the quality of the prompt. Vague prompts give vague answers. Clear, specific prompts give clear, useful answers. Learning to prompt well is one of the most useful tech skills you can build right now.
The Four Parts of a Strong Prompt
A reliable prompt usually has four parts. You do not need all four every time, but the more of them you include, the better your answer will be.
- Role — tell the AI who to act as. "Act as a friendly storyteller for a 10-year-old."
- Task — say exactly what you want it to do. "Write a 5-sentence adventure story."
- Context — give background that matters. "The setting is a rainforest. The hero is a brave kid named Mia."
- Format — describe how the answer should look. "Use a numbered list with one sentence per number."
Helpful Extras: Constraints and Examples
Two more tools turn a good prompt into a great one. A constraint sets a clear rule or limit. An example shows the AI exactly the style you want. Together, they remove guesswork.
- Constraint — a rule or limit. "Use only words a 10-year-old would know." "Stay under 80 words." "No scary content."
- Example — a sample of the style you want. "Write it like this opening line: One foggy morning, Mia stepped into the green tunnel of trees."
- Tone — how it should sound. "Friendly and curious, not formal."
- Audience — who it is for. "For a 10-year-old reader."
Weak Prompt vs Strong Prompt
The same request can be weak or strong depending on how you write it. Weak prompts leave the AI guessing. Strong prompts hand it everything it needs to give you a great answer the first time.
- Weak: "Make me a story."
- Strong: "Act as a friendly storyteller. Write a 5-sentence adventure for a 10-year-old. Setting: rainforest. Hero: Mia. Format: numbered list."
- Weak: "Help with math."
- Strong: "Act as a patient tutor. Explain how to multiply fractions for a Grade 5 learner. Use one example with simple numbers and end with a 2-question quiz."
Tip: if your first answer is not quite right, do not start over — just add one more sentence to your prompt. "Make it shorter and use simpler words" is often all you need.
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