Shark Learning
Grade 2/Addition

2-Digit (No Carry)

Mental addition of two 2-digit numbers constructed to avoid regrouping.
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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
  • Mixing up tens and ones
  • Accidentally regrouping
  • Miscalculating basic facts
  • Rushing mental steps
Differentiation
SupportUse a place value chart or base ten blocks.
ChallengeSolve mentally with larger numbers or three addends.
Discussion Questions
  • How did you add the tens mentally?
  • What strategy worked best for you?
  • When is mental addition helpful?
  • Can you explain your thought process?
Learning Path
Skill Cluster

Number Sense & Operations

Estimated Time

10 minutes

Skills Practiced
Addition mental no carry