Grade 3/Coding & Ciphers
Caesar Cipher (1820)
Decode short 3–4 letter words using a simple letter-shift cipher. A fun introduction to secret codes for Grades 2–3.
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⭐ Easy2
| # | Name | Qs | Actions |
|---|---|---|---|
1 | ID: 10378 | 1 Qs | |
2 | ID: 10379 | 1 Qs |
📊 Medium2
| # | Name | Qs | Actions |
|---|---|---|---|
1 | ID: 10380 | 1 Qs | |
2 | ID: 10381 | 1 Qs |
🔥 Hard2
| # | Name | Qs | Actions |
|---|---|---|---|
1 | ID: 10382 | 1 Qs | |
2 | ID: 10383 | 1 Qs |
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Quick Tip
To DECODE: find the coded letter in the Code row, then write the matching Plain letter. To ENCODE: find the plain letter in the Plain row, then write the matching Code letter.
Teacher Resources
Vocabulary
Cipher: A secret way to write messages.
Encode: To change a message into a secret code.
Decode: To change a secret code back into a normal message.
Differentiation
Extension Activities
- Create a cipher key for a new code.
- Write a secret message for a friend.
- Decode a coded message from a classmate.
Parent Tip
Create your own secret code with your child and write a short message to each other.
Learning Path
Skill Level
beginner
Estimated Time
15 minutes
Skills Practiced
letter substitutionpattern recognitionfollowing instructions