MathsFreePrintable

Find the Mistakes

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Find the Mistakes

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🔍 Part 1: Addition Mistakes

Instructions: Find the mistakes in each calculation and show the correct working out.

1. Find the mistake and correct it:

3,247

+ 1,856

-------

4,093

The mistake is: _________________________________

Correct answer: ________________

2. Find the mistake and correct it:

5,624

+ 2,789

-------

7,313

The mistake is: _________________________________

Correct answer: ________________

3. Find the mistake and correct it:

4,365

+ 3,847

-------

7,112

The mistake is: _________________________________

Correct answer: ________________

🔍 Part 2: Subtraction Mistakes

4. Find the mistake and correct it:

6,425

- 2,367

-------

4,142

The mistake is: _________________________________

Correct answer: ________________

5. Find the mistake and correct it:

8,000

- 3,456

-------

5,456

The mistake is: _________________________________

Correct answer: ________________

6. Find the mistake and correct it:

7,231

- 1,864

-------

5,433

The mistake is: _________________________________

Correct answer: ________________

🎯 Part 3: Challenge Problems

7. This word problem has been solved incorrectly. Find the mistake:

A school raised £3,456 in their autumn fair and £2,789 in their spring fair. How much did they raise altogether?

Working: 3,456 + 2,789 = 5,235

Answer: The school raised £5,235

8. This calculation has multiple mistakes. Find them all:

9,204

- 4,567

-------

5,363

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