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Addition Subtraction Code Cracker

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Addition Subtraction Code Cracker

Addition Subtraction Code Cracker

Detective with magnifying glass solving math codes

🔍 Part 1: Crack the Code - Addition Problems

Instructions: Solve each addition problem. Use your answers to crack the secret code below!

1. Find the sum:

2341

+ 1256

______

2. Find the sum:

4523

+ 3142

______

3. Find the sum:

341

+ 125

_____

4. Find the sum:

1234

+ 5432

______

5. Find the sum:

623

+ 241

_____

➖ Part 2: Crack the Code - Subtraction Problems

6. Find the difference:

5678

- 2341

______

7. Find the difference:

8765

- 4321

______

8. Find the difference:

987

- 234

_____

9. Find the difference:

9876

- 1234

______

10. Find the difference:

789

- 456

_____

🔐 Part 3: Decode the Secret Message

Instructions: Use your answers from problems 1-10 to decode the secret message. Match each answer to its corresponding letter below:

Code Key:

333 = M | 466 = A | 753 = T | 864 = H | 3337 = S

3597 = I | 4444 = N | 6666 = F | 7665 = U | 8642 = R

Write the letters in order (problems 1-10) to reveal the secret message:
What does the secret message say?

📋 Answer Key (For Teacher Use)

Problem Answers:

1. 2341 + 1256 = 3597 (I)

2. 4523 + 3142 = 7665 (U)

3. 341 + 125 = 466 (A)

4. 1234 + 5432 = 6666 (F)

5. 623 + 241 = 864 (H)

6. 5678 - 2341 = 3337 (S)

7. 8765 - 4321 = 4444 (N)

8. 987 - 234 = 753 (T)

9. 9876 - 1234 = 8642 (R)

10. 789 - 456 = 333 (M)

Secret Message: I U A F H S N T R M

Decoded Message: "FUN MATHS" (when rearranged)

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