Shark Learning
First/Order Of Operations

Order of Operations Error Analysis

Error analysis practice. Students act as the teacher to spot mistakes in order of operations problems. Builds deep conceptual understanding.
0
Sheets
1392
Views
272
Downloads
Study Guide

Preview

Order of Operations Error Analysis preview

Tap to open PDF

Practice Questions

  1. 10 + 2 x 5 = 60
    Show answer

    Incorrect (Correct: 20)

  2. 20 - 5 + 5 = 10
    Show answer

    Incorrect (Correct: 20)

  3. 3 x (4 + 2) = 18
    Show answer

    Correct

  4. 12 ÷ 2 x 3 = 2
    Show answer

    Incorrect (Correct: 18)

  5. 15 - (5 + 2) = 8
    Show answer

    Correct

Teacher Resources
Teaching Notes

This is one of the most powerful activities for retention. Discuss the "why" behind the common mistakes (e.g., "Why do people want to add before multiplying?").

Vocabulary
Error Analysis: Finding mistakes in a solution.
Correct: Free from mistakes.
Common Mistakes
  • Assuming the answer is correct just because the math looks neat.
  • Making the same calculation error as the problem.
  • Incorrect operation order
  • Misinterpreting parentheses
  • Calculation errors
  • Left-to-right confusion
Differentiation
SupportTell them exactly how many are incorrect (e.g., "Find the 6 mistakes").
ChallengeAsk them to write a "letter to the student" explaining the mistake.
Discussion Questions
  • Why is order of operations important?
  • How did you find the mistake?
  • What if the parentheses were different?
  • Can you explain the correct steps?
Extension Activities
  • Create your own errors.
  • Analyze different mistakes.
  • Explain the correct steps.
Parent Tip

Ask your child to explain the error and how to fix it.

Learning Path
Skill Cluster

Number Sense & Operations

Estimated Time

20 minutes

Skills Practiced
Error identificationConceptual mastery