3-Digit Addition

📚 Grade 3⭐ hard📄 15 problems

Free printable 3-digit addition worksheets. Advanced practice for Grade 2 and Grade 3 students.

Worksheet Preview

578 + 981 = ____

746 + 513 = ____

824 + 935 = ____

546 + 128 = ____

949 + 137 = ____

178 + 143 = ____

230 + 367 = ____

782 + 269 = ____

903 + 473 = ____

776 + 965 = ____

640 + 422 = ____

216 + 522 = ____

773 + 423 = ____

512 + 709 = ____

560 + 219 = ____

About This Worksheet

This free printable 3-digit addition is perfect for Grade 3 who are learning addition. Each worksheet contains 15 carefully designed problems to help students practice and master their addition skills.

All worksheets include a complete answer key, making them ideal for teachers, parents, and homeschoolers. Simply download the PDF and print as many copies as you need - it's completely free!