Free Addition 10–20 Worksheets | Horizontal & Vertical

Looking for a simple, free math resource to reinforce addition with numbers 10–20? This print-and-go worksheet is perfect for beginners and great for classrooms, homeschooling, and tutoring sessions.

This 1-page resource includes 20 addition problems—both horizontal and vertical formats—using numbers between 10 and 20. All answers are under 40, keeping it accessible and confidence-building for early learners.

✅ Key Features:

• ✔️ Free 1-page printable worksheet

• ✔️ 20 addition problems (10–20)

• ✔️ Includes both horizontal and vertical formats

• ✔️ Answers included for quick checking

• ✔️ Black & white for easy printing

• ✔️ Designed for 1st grade or beginner level math students

🎯 How to Use:

• 🧠 Use as a quick assessment or warm-up

• 🏡 Great for homework or extra practice at home

• 🧮 Add to your math workstation or rotation center

• 📋 Suitable for sub plans, early finishers, or review days

This freebie helps students build fluency and confidence in addition while giving you a no-prep, high-impact resource. Download and print today!