Pigpen code: hardware and software: secret code puzzle for Grade 3, page 1 preview

Secret code puzzle · Computers & Digital Literacy

Pigpen code: hardware and software · Grade 3

Decode facts about hardware and software written in the traditional pigpen code, using the grid key. Practices visual matching and careful reading.

Grade 3 · ages 8 to 9
Medium
5 to 10 minutes
1 page
Free

The answer key is a separate page for grown-ups. Sign in to download it.

Make another one like this

What the sheet says

Directions: This is the pigpen code: each letter is the shape of its place in the grids (with or without a dot). Write the letter under each shape.

Code key

What your child practices

Your child practices visual matching and careful reading. The skill is “Computing systems”: describe hardware, software, files and networks and troubleshoot simple problems.

Grades and ages: Grade 3, ages 8 to 9
Time: About 5 to 10 minutes
Subject: Computers & Digital Literacy
Level: Medium for Grade 3
Answer key: Yes, for grown-ups who sign in
Printing: 1 page, US Letter or A4, low-ink option
Updated: October 15, 2026

How to use it

Read the rules at the top together and try the first step side by side. Use a pencil so mistakes rub out easily, and check every answer at the end. It is pitched at the expected level for Grade 3, for practice after the skill has been taught.

An answer key comes with it as a separate page that grown-ups download after signing in.

Tip for grown-ups: Start with the shortest coded words; one- and two-letter words crack the code fastest.

Done on paper? A grown-up can record it on the child's page in PlayOwl; downloading alone doesn't count as finished.