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Excel Mini Challenge: Automatically Generate Serial Numbers with SEQUENCE

SEQUENCE

Excel challenge image with instructions to use the SEQUENCE formula for generating serial numbers. Includes QR codes and Excel icon.

If you’re still dragging numbers manually, it’s time to switch.


Today’s challenge teaches you how to:

✅ Generate dynamic S.No

✅ Have the list expand as you add data

✅ Keep your lists clean and future-proof


🧠 The Formula:

=SEQUENCE(COUNTA(B2:B100))

This counts the names and fills that many serials — no updates needed.



🎯 Works beautifully with:

  • Student rosters

  • Invoice or order templates

  • Inventory lists




🔗 Ready to practice?

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