Shark Learning
Grade 3/Addition

Error Analysis: Addition Mistakes

Detect and fix addition errors (regrouping & alignment).
6
Sheets
1643
Views
123
Downloads
Study Guide

Preview

Error Analysis: Addition Mistakes preview

Tap to open PDF

#WorksheetQuestionsActions
Easy
1
12 questions
2
12 questions
Medium
1
12 questions
2
12 questions
Hard
1
12 questions
2
12 questions

Practice Questions

  1. 516+279=804 correct?
    Show answer

    795

  2. 304+497=709 correct?
    Show answer

    801

  3. 639+258=877 correct?
    Show answer

    897

  4. 1,234+2,769=6,993 correct?
    Show answer

    4003

  5. 1,205+2,316=3,510 correct?
    Show answer

    3521

Teacher Resources
Teaching Notes

Require marking column of error.

Common Mistakes
  • Only giving correct total
  • Incorrect regrouping
  • Misaligned place values
  • Basic fact errors
  • Forgetting to add regrouped number
Differentiation
SupportUse place value charts or manipulatives.
ChallengeCreate problems with multiple errors to find.
Discussion Questions
  • Why is place value important in addition?
  • How can we check our addition work?
  • What happens if you forget to regroup?
  • Why do these mistakes happen?
Learning Path
Skill Cluster

Number Sense & Operations

Estimated Time

15 minutes

Skills Practiced
Detect addition errorCarry consistency