Shark Learning
Grade 4/Addition

2-Digit Addition (No Regrouping)

Mental addition of two 2-digit numbers constructed to avoid regrouping.
6
Sheets
1494
Views
78
Downloads
Study Guide

Preview

2-Digit Addition (No Regrouping) 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. 23 + 24 = ?
    Show answer

    47

  2. 31 + 28 = ?
    Show answer

    59

  3. 42 + 17 = ?
    Show answer

    59

  4. 34 + 25 = ?
    Show answer

    59

  5. 26 + 23 = ?
    Show answer

    49

Teacher Resources
Teaching Notes

Encourage tens-first, ones-next mental strategies.

Common Mistakes
  • Incorrectly adding tens or ones.
  • Not using mental strategies effectively.
  • Basic addition fact errors.
  • Forgetting to combine parts.
Differentiation
SupportUse manipulatives or number lines for visualization.
ChallengeEstimate sums; apply to problems with three addends.
Discussion Questions
  • What mental strategies helped you most?
  • How does place value assist in mental addition?
  • Can you demonstrate your method for 24 + 31?
  • When might you use this skill in daily life?
Learning Path
Skill Cluster

Addition Strategies

Estimated Time

10 minutes

Skills Practiced
Addition mental no carry