Column Addition: 5- & 6-Digit (2 Addends)
Browse 0 free printable Column Addition: 5- & 6-Digit (2 Addends) worksheets for Third Math. These Addition worksheets are designed to give students targeted practice and build confidence in math.
Worksheets are available at multiple difficulty levels — Easy, Medium, and Hard — so you can meet every student where they are. Each worksheet is an instant PDF download: print as many copies as you need for your classroom, tutoring sessions, or home practice at no cost.
Whether you're a teacher looking for addition practice problems, a homeschool parent building a Third curriculum, or a tutor helping a student catch up, these free printable worksheets are ready to use today.
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Practice Questions
- 178,945 + 267,318 = ?
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446,263
- 504,076 + 395,829 = ?
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899,905
- 312,407 + 287,694 = ?
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600,101
- 689,512 + 210,478 = ?
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899,990
- 120,005 + 380,007 = ?
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500,012
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Teacher Resources
Teaching Notes
Scan large numbers in chunks (thousands) and ensure commas.
Common Mistakes
- Digit slip in long numbers
- Comma omitted
- Misaligning digits by place value.
- Forgetting to regroup tens/hundreds.
- Incorrectly adding regrouped numbers.
- Calculation errors on basic facts.
Differentiation
Discussion Questions
- Why is place value crucial for column addition?
- When do you need to regroup?
- How can you use estimation to check your answer?
- What happens if numbers are not aligned correctly?
Learning Path
Skill Cluster
Number Operations
Estimated Time
15 minutes