15 Free Addition Worksheets to 20 (Printable PDFs)
Help your child build confidence with numbers using our addition worksheets. These pages focus on math facts up to 20, offering plenty of practice. They are great for reinforcing addition skills at home or in the classroom. ➕
All 15 pages are free to download as print-ready PDFs sized for standard letter and A4 paper. Print as many copies as you like for home or classroom use — perfect for rainy afternoons, birthday parties, or quiet-time activities.
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Frequently asked questions
What age are these addition worksheets for?
These worksheets are great for kindergarten and first graders learning to add numbers up to 20. They help build a strong math foundation.
Can I use these worksheets in my classroom?
Yes, absolutely! You can print and use these free addition worksheets as many times as you need for your students in a classroom or homeschool setting.
What paper size should I use to print?
These worksheets are designed to print on standard letter-size paper (8.5 x 11 inches). Just click print and they'll fit perfectly.
Do I need special software to open the PDF?
No, you just need a PDF reader, which most computers and tablets have built-in. If not, free readers like Adobe Acrobat are easy to download.
About this collection
These 15 worksheets offer a variety of addition problems for young learners to solve, with sums up to 20. Each page provides ample space for students to write their answers, making it easy to track progress. They are ideal for first and second graders needing extra practice.
Use these addition worksheets as a quick warm-up before a math lesson, a homework assignment, or for a fun activity on a quiet afternoon. They are perfect for reinforcing basic math skills and building a strong foundation in addition.
Designed for children who are learning to add numbers, these pages focus specifically on sums reaching 20. They are excellent for reinforcing skills learned in kindergarten or first grade, helping to solidify understanding of basic addition concepts.
Every file is a free PDF sized for US Letter that also prints perfectly on A4 with "fit to page" selected — no account and no email needed. Teachers and homeschool parents may print as many copies as they like; see our friendly license.