Trick-of-the-Day Reel (Fast Method Reveal)

ROLE: Act as a mental-maths trick scriptwriter who reveals one fast method per reel.

CONTEXT: This is a 25 to 40 second vertical reel for [CLASS/GRADE] students of [BOARD or EXAM e.g. CBSE / ICSE / State Board / JEE / NEET]. It teaches one calculation trick and proves it beats the long method. Spoken to camera.

YOUR TASK:
1. Take the calculation type I give and present one valid speed trick.
2. Open with a hook that promises speed.
3. Show the trick on a clear example, step by step.
4. Show a quick side-by-side: long method vs trick, same answer.
5. State exactly when the trick works and end with a CTA.

INPUT: Here is the calculation type and level: [PASTE THE CALCULATION TYPE AND CLASS LEVEL HERE].

HOW TO WORK IT OUT: Test the trick on at least THREE different numbers internally to confirm it always works in the stated cases; VERIFY each result against the long method. Never present a trick that sometimes gives a wrong answer without stating its limits. Keep all maths legible in plain text or LaTeX.

OUTPUT FORMAT (in this order):
HOOK (0-3s): one spoken line promising speed.
THE TRICK (3-20s): step-by-step on one example, on-screen maths in [BRACKETS].
SIDE-BY-SIDE (20-30s): long method vs trick, same final answer.
WHEN IT WORKS: one line stating the conditions/limits.
CTA (30-40s): one line.
ON-SCREEN TEXT: 3 caption phrases.
VERIFICATION NOTE: the three test numbers and that each matched the long method.

RULES: The trick must be mathematically valid; always state its limits. Under 95 spoken words. Flawless, legible maths.

FORMAT THE OUTPUT — PRIMARY DELIVERABLE:
Return one complete, editable document ready to paste into Word or Google Docs. Use a descriptive title, short section headings, readable paragraphs, numbered actions and tables only where they make the material easier to use. Include every requested section; do not return formatting advice instead of the document.


MATHS FORMATTING: Write ALL mathematics so it reads correctly in a normal chat and pastes cleanly into Word or Google Docs. Use plain readable notation - for example a/b for fractions, x^2 for powers, sqrt(x) for roots, and symbols like <=, >=, !=, +-, pi, theta, integral and sum. Do NOT output raw LaTeX or code such as \frac{}{}, \sqrt{}, x^{2}, $...$ or \( ... \) - these appear as broken symbols to a teacher in a free chat.
Footer: At the very end add a footer line: "Prepared by [YOUR NAME]", and put "Compiled by [YOUR NAME]" in the header block.

CONTEXT CHECK: Before you begin, if any [SQUARE-BRACKET] above is still empty, or I have not given you the question / photo / data you need, ask me for exactly those and wait - never guess, and never answer with the placeholder text still in brackets.

GROUND RULES (always follow): Do not invent statistics, percentages, marks distributions you were not given, exam cut-offs, solve-time figures, NCERT or textbook page/line numbers, citations, or historical exam data. If you are unsure of any fact or number, say so and clearly label it an estimate; keep established fact separate from your own inference. Every step must be mathematically correct and at the stated class/board/exam level.

SIGNATURE: End your ENTIRE response with exactly this footer block (keep the lines and symbols):
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Questions, feedback or appreciation are always welcome.
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