Addition Worksheets 10-20 | 100 Pages of Practice Problems

Help your students confidently master addition with these Addition Worksheets for Numbers 10–20. This comprehensive resource includes 100 pages of practice problems designed to strengthen number sense and addition skills.

Each page contains 20 mixed-format problems (horizontal and vertical), giving students a variety of practice styles to improve fluency and accuracy.

⭐ Key Features:

• ✅ 100 printable pages for daily practice

• ✅ 20 math problems per page (10 horizontal + 10 vertical)

• ✅ Focuses on numbers 10–20

• ✅ Answers never exceed 40

• ✅ Answer key included for quick grading

• ✅ Perfect for grades 1–2, special ed, or intervention

📝 Ways to Use:

• Morning math warm-ups

• Independent seatwork or homework

• Small group instruction

• Math centers or stations

• Quick assessments or review

• Great for fast finishers

This pack is designed for simplicity, structure, and success—ideal for classrooms, tutoring sessions, or at-home learning.

Give your learners the consistent practice they need to build strong addition skills with confidence!