Column Addition: 4-Digit (4 Addends)

Teaching Notes

Group to 10s inside each column; mark carries small but clear.

Common Mistakes

• Counting an addend twice
• Misplacing carry
• Misaligning columns
• Forgetting to regroup
• Incorrect regrouping sums
• Adding columns out of order

Differentiation

Discussion Questions

• How does place value help with column addition?
• Why is regrouping important in addition?
• Does the order of addends affect the sum?
• When might partial sums be a useful strategy?

Skill Cluster

Number Sense & Operations

Estimated Time

14 minutes

Skills Practiced

Prerequisites

• 767
• Addition with regrouping (3-digit)
• Place value to thousands

Next Steps

• Addition with more addends (4+)
• Column addition with 5-digit numbers
• Column Addition: 4-Digit (5 Addends)
• Column Addition: 5-Digit (3 Addends)
• Multi-Digit Addition Fluency