Addition: Adding Multiples of Ten to 2-Digit Numbers
Browse 6 free printable Addition: Adding Multiples of Ten to 2-Digit Numbers worksheets for Grade 3 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 3 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
- 20 + 39 = ?
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59
- 30 + 45 = ?
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75
- 40 + 27 = ?
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67
- 50 + 18 = ?
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68
- 60 + 34 = ?
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94
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Quick Tip
Teacher Resources
Teaching Notes
Focus on using place value and mental math strategies to add multiples of ten. Encourage students to see the pattern of the tens digit changing while the ones digit remains constant.
Vocabulary
Common Mistakes
- Adding the tens multiple to the ones digit instead of the tens digit.
- Miscalculating the tens sum, especially when crossing a hundred.
- Forgetting to maintain the original ones digit in the sum.
Differentiation
Discussion Questions
- How does adding a multiple of ten change a 2-digit number?
- What happens to the ones digit when you add a whole ten?
- Why is it useful to be able to add tens mentally?
- How is adding 30 to 45 similar to adding 3 to 4?
Extension Activities
- Add multiples of ten to 100.
- Use base-ten blocks.
- Skip count by tens.
Parent Tip
Ask your child to count by tens to a target number.
Learning Path
Skill Cluster
Number Sense & Place Value
Estimated Time
15 minutes