Column Addition: 3-Digit (2 Addends)
Browse 0 free printable Column Addition: 3-Digit (2 Addends) worksheets for First 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 First curriculum, or a tutor helping a student catch up, these free printable worksheets are ready to use today.
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Prerequisites
What to Do Next
Practice Questions
- 427 + 358 = ?
Show answer
785
- 516 + 279 = ?
Show answer
795
- 304 + 497 = ?
Show answer
801
- 639 + 258 = ?
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897
- 482 + 317 = ?
Show answer
799
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Teacher Resources
Teaching Notes
For two 3-digit addends, emphasize consistent alignment.
Common Mistakes
- Dropping a carry in tens
- Writing carry in the answer row
- Misaligning digits by place value.
- Forgetting to carry regrouped numbers.
- Adding carried digit incorrectly.
- Errors in basic addition facts.
Differentiation
Discussion Questions
- Why is digit alignment important?
- When do you need to regroup in addition?
- How is regrouping similar to bundling?
- Can you estimate the sum before adding?
Learning Path
Skill Cluster
Number Sense & Operations
Estimated Time
11 minutes