Grade 4/Number Puzzles
🔐 Number Codebreaker (1807)
Solve math equations to unlock a secret phrase! Each letter is encoded as a number (A=1, B=2, … Z=26). Crack each equation, find the number, then use the cipher key to decode the mystery message.
6
Sheets
0
Views
0
Downloads
All Worksheets
⭐ Easy2
| # | Name | Qs | Actions |
|---|---|---|---|
1 | ID: 10051 | 1 Qs | |
2 | ID: 10052 | 1 Qs |
📊 Medium2
| # | Name | Qs | Actions |
|---|---|---|---|
1 | ID: 10053 | 1 Qs | |
2 | ID: 10054 | 1 Qs |
🔥 Hard2
| # | Name | Qs | Actions |
|---|---|---|---|
1 | ID: 10055 | 1 Qs | |
2 | ID: 10056 | 1 Qs |
Preview
Click to preview collection
Quick Tip
The Cipher Key tells you which letter each number stands for: A = 1, B = 2, C = 3 … all the way to Z = 26.
Teacher Resources
Vocabulary
Equation: A math problem with an equals sign.
Cipher: A secret code for writing messages.
Differentiation
Extension Activities
- Solve simple equations.
- Decode secret messages.
- Create own number codes.
Parent Tip
Create a simple code together using letters and numbers.
Learning Path
Skill Level
beginner
Estimated Time
15 minutes
Skills Practiced
solve one step equationsdecode messagesmatch numbers to letters