Adding whole tens
Browse 14 free printable Adding whole tens worksheets for Grade 2 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 Grade 2 curriculum, or a tutor helping a student catch up, these free printable worksheets are ready to use today.
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Practice Questions
- 30 + 80 = ?
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110
- 40 + 50 = ?
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90
- 70 + 20 = ?
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90
- 60 + 30 = ?
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90
- 20 + 90 = ?
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110
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Teacher Resources
Teaching Notes
This activity builds fluency in adding multiples of 10, a foundational mental math skill for second graders. Emphasize the connection between basic addition facts (e.g., 3+4=7) and adding tens (30+40=70) through place value understanding.
Vocabulary
Common Mistakes
- Forgetting the zero when adding tens (e.g., 30+40=7).
- Treating tens as ones (e.g., confusing 3 tens + 4 tens with 3 ones + 4 ones).
- Difficulty transferring single-digit addition knowledge to tens.
Differentiation
Discussion Questions
- How is adding 20 + 60 similar to adding 2 + 6?
- Why is understanding place value important when adding tens?
- When might you use mental math to add tens in real life?
Extension Activities
- Use a number line to skip count by tens.
- Create addition stories with tens.
- Play with base-ten blocks.
Parent Tip
Use coins like dimes to represent tens and practice adding them.
Learning Path
Skill Cluster
Number Sense & Operations
Estimated Time
15 minutes