Caesar cipher: binary numbers: secret code puzzle for Grade 6, page 1 preview

Secret code puzzle · Computers & Digital Literacy

Caesar cipher: binary numbers · Grade 6

Decode facts about binary numbers written in a Caesar cipher, using the shifted alphabet key. Practices careful matching and reading.

Grade 6 · ages 11 to 12
Easy
5 to 10 minutes
1 page
Free

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

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What the sheet says

Directions: Each letter has been moved along the alphabet. Use the key to write the real letter under each one.

Code key

What your child practices

Your child practices careful matching and reading. The skill is “Data and information”: collect, organize, visualize and question data and information sources.

Grades and ages: Grade 6, ages 11 to 12
Time: About 5 to 10 minutes
Subject: Computers & Digital Literacy
Level: Easy for Grade 6
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 one of the easier sheets for Grade 6, good as a warm-up or a first look at the skill.

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.