- 21 + 33 + 12 = ___
- 12 + 25 + 30 = ___
- 71 + 25 + 49 = ___
- 12 + 24 + 63 = ___
- 31 + 26 + 52 = ___
- 70 + 15 + 38 = ___
- 28 + 71 + 42 = ___
- 53 + 11 + 15 = ___
- 44 + 12 + 35 = ___
- 12 + 55 + 35 = ___
- 61 + 25 + 54 = ___
- 33 + 25 + 13 = ___
- 41 + 16 + 68 = ___
- 44 + 12 + 19 = ___
- 50 + 11 + 81 = ___
- 24 + 43 + 49 = ___
- 56 + 10 + 52 = ___
- 26 + 63 + 14 = ___
- 80 + 14 + 35 = ___
- 40 + 48 + 63 = ___
Browse free addition worksheets. Each set includes an answer key and covers key skills aligned with Common Core standards.
Features
- Printable PDF format
- Answer key included
- Multiple difficulty levels
- Classroom and home friendly
How to Use These Worksheets
- Select a addition set.
- Print or use on-screen.
- Check answers and practice again.
Tips
- Start with easier sets and move up gradually.
- Practice in short sessions (10–15 minutes).
- Review mistakes and redo similar problems.
Frequently Asked Questions
What math skills are covered in these Addition Worksheets?
These worksheets cover addition worksheets skills aligned with Common Core standards for K-3 students. Each set builds procedural fluency and conceptual understanding through varied problem formats.
Are these worksheets free to print?
Yes — all worksheets are completely free with no signup required. Click Print for a clean printout optimized for US Letter paper. PDF download is also available.
What grade level are these addition worksheets for?
These worksheets are designed for Kindergarten through Grade 3 students. Topics match Common Core expectations for each grade level.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen to check student work quickly.
Can I use these for homeschool?
Absolutely. These worksheets are widely used by homeschool families for structured math practice. The set-number system lets you assign specific worksheets and track progress.