Adding whole hundreds (2 addends)
Browse 0 free printable Adding whole hundreds (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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What to Do Next
Practice Questions
- 400 + 200 = ?
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600
- 100 + 500 = ?
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600
- 700 + 200 = ?
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900
- 300 + 300 = ?
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600
- 800 + 100 = ?
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900
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Quick Tip
Teacher Resources
Teaching Notes
Extension of adding tens to hundreds. Emphasize place value: we are adding hundreds, not ones. Connect to money (3 hundred-dollar bills + 5 hundred-dollar bills). Show pattern: adding hundreds is just like adding ones, but with two zeros.
Vocabulary
Common Mistakes
- Writing wrong number of zeros (80 instead of 800)
- Adding like ones (3+5=8 and forgetting hundreds)
- Confusing hundreds with thousands
- Not understanding place value
- Forgetting to include the two zeros in the answer (e.g., 300 + 200 = 5 instead of 500)
- Misunderstanding the value of digits in the hundreds place
Differentiation
Discussion Questions
- How is adding 300 + 200 similar to adding 3 + 2?
- What patterns do you notice when adding whole hundreds?
- Can you think of a real-life situation where you would add whole hundreds?
Extension Activities
- Add 3 whole hundreds.
- Add whole thousands.
- Use base-ten blocks.
Parent Tip
Ask your child to count by hundreds up to 1000.
Learning Path
Skill Cluster
Number Sense & Place Value
Estimated Time
15 minutes