Shark Learning
Fourth/Addition

Addition: Two-Digit Numbers (No Regrouping) ()

Add two 2-digit numbers without regrouping (carrying). Example: 22 + 23 = 45
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Quick Tip
Add each place value starting from the ones place. No carrying needed for these problems.
Teacher Resources
Teaching Notes

Emphasize adding ones then tens, lining up digits carefully. Reinforce understanding of place value through concrete examples.

Vocabulary
Ones place: The rightmost digit in a number.
Tens place: The second digit from the right.
Common Mistakes
  • Misaligning digits when adding in columns.
  • Forgetting to add the tens digit or miscalculating a basic fact.
  • Attempting to regroup/carry when it's not needed.
Differentiation
SupportUse manipulatives (base-ten blocks) to model addition.
ChallengeSolve word problems involving 2-digit addition without regrouping.
Discussion Questions
  • How is adding two-digit numbers similar to adding one-digit numbers?
  • Why is it important to line up the numbers by place value?
  • Can you think of a real-life situation where you would add two 2-digit numbers?
  • What happens if the sum of the ones column is 10 or more?
Extension Activities
  • Add prices of items.
  • Combine quantities.
  • Play addition games.
Parent Tip

Use coins or small objects to represent tens and ones for addition.

Learning Path
Skill Cluster

Number Operations and Place Value

Estimated Time

15 minutes

Skills Practiced
two digit additionaddition no regrouping
Prerequisites
  • Addition: Add Single-Digit Numbers
  • Understanding Place Value (Tens and Ones)
Next Steps
  • Addition: Add 2-Digit Numbers (With Regrouping)
  • Addition: Add 3-Digit Numbers (No Regrouping)
  • Addition: Add Multiple 2-Digit Numbers