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Grade 8 Find the Mistake Worksheet with Answers
Grade 8 (US) · Year 9 (UK) · Class 8 (India) · Math
Unit 7: Going FurtherThinking & Problem SolvingAdvanced
Looking at a worked answer, finding the step that went wrong and writing the correct answer. This free middle school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.
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Practice Sheetaethelsystems.comFind the Mistake
Grade 8 · Math
Name
Class
Date
Learning goal: Thinking & Problem Solving
Directions: Look carefully at each picture, then write your answer in the box.
- 1
Look at Lena's work. Find the mistake and write the correct answer (the value of x).
Answer - 2
Look at Leo's work. Find the mistake and write the correct answer.
Answer - 3
Look at Leo's work. Find the mistake and write the correct answer.
Answer - 4
Look at Aisha's work. Find the mistake and write the correct answer.
Answer - 5
Look at Zoe's work. Find the mistake and write the correct answer.
Answer - 6
Look at Noah's work. Find the mistake and write the correct answer.
Answer - 7
Look at Sam's work. Find the mistake and write the correct answer.
Answer - 8
Look at Ava's work. Find the mistake and write the correct answer.
Answer - 9
Look at Sam's work. Find the mistake and write the correct answer (the value of x).
Answer - 10
Look at Mia's work. Find the mistake and write the correct answer (the value of x).
Answer - 11
Look at Zoe's work. Find the mistake and write the correct answer.
Answer - 12
Look at Ava's work. Find the mistake and write the correct answer.
Answer
★ Challenge corner for fast finishers
If 2^x = 64, what is 4^x?
How did I do?
Teacher's comments
Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/8/find_the_mistake
Answer key — Find the Mistake (Grade 8)
- 1.30
- 2.7
- 3.37
- 4.72
- 5.35
- 6.7
- 7.2
- 8.37
- 9.30
- 10.12
- 11.6
- 12.44
- ★4096
Answer key (click to show)
- 1.30
- 2.7
- 3.37
- 4.72
- 5.35
- 6.7
- 7.2
- 8.37
- 9.30
- 10.12
- 11.6
- 12.44
- ★4096 (challenge corner)
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- Works well as a bell-ringer, exit ticket, homework set or quick quiz.
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Frequently asked questions
Does this Grade 8 Find the Mistake worksheet come with answers?
Yes. The full answer key is on this page, and it prints on its own page after the questions. Every answer is calculated or checked by code rather than written by an AI model, so the key is always correct.
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