How to Make a Printable Cipher Puzzle from a Message

A good paper clue gives the reader both a puzzle and a way to begin. Start with a short message of your own, then choose a method whose rules you can explain beside it. We will use FOLLOW THE PAPER STARS and turn it into an A1Z26 number card.

Choose a clear message

Read the message as an instruction before encoding it. If there are two blue boxes, “find the blue box” still leaves a guess after the cipher is solved. Check any names or accents against the method’s alphabet too, so an important letter does not disappear during preparation.

A1Z26 works well here because the reader can look up alphabet positions. You could also use Caesar with a supplied shift, or Atbash with a reversed-alphabet chart. Put the method name and its rule on the card; “secret code” alone is not much help for a first exercise.

Make and verify the clue

Decode the result before you lay out the card. The four-word message needs three slashes, with hyphens separating numbers inside each word. Check those marks carefully: a missing hyphen can join two numbers into a different letter or an invalid token.

A simple clue-card layout

PAPER STAR CLUE
Method: A1Z26 — A = 1, Z = 26
Hyphens separate letters. A slash separates words.

6-15-12-12-15-23 / 20-8-5 / 16-1-16-5-18 / 19-20-1-18-19

My answer: ____________________________________
One token I checked: ______ means ______

Copy this card into your own page layout and print it. If you need a ready-made page of several questions, use a worksheet and choose A4 or Letter. Generated worksheets use their own phrase sets; the seed does not import your custom sentence.

Prepare the answer separately

Keep the answer on a teacher copy or another page, rather than just beneath the learner’s blank line. For a generated worksheet, save a version with separate answers for yourself and turn answers off for the learner copies.

Proofread the physical copy

• Use a readable type size and enough space for a handwritten answer.
• Avoid a line break in the middle of one numeric token.
• Print in grayscale once to check that instructions do not depend on color.
• Read the printed ciphertext back into the tool and compare the result.
• Keep the method and convention with any copied version of the card.

Leave the numbers and instructions easy to read, even if you add a border or illustration. For the final check, ask someone to follow the printed directions. Can they reach the intended sentence without needing you to explain an omitted rule?

Tools for this activity