Here are some missing addend worksheets that you can download for free:
Missing Addend Worksheets for Basic Addition (0-10)
1. [Missing Addend Worksheet 1-5](https://www.math-drills.com/missing-addend-1-5.pdf)
2. [Missing Addend Worksheet 6-10](https://www.math-drills.com/missing-addend-6-10.pdf)
Missing Addend Worksheets for Multi-Digit Addition (11-20)
1. [Missing Addend Worksheet 11-14](https://www.math-play.com/missing-addend-worksheet-11-14.pdf)
2. [Missing Addend Worksheet 15-18](https://www.math-play.com/missing-addend-worksheet-15-18.pdf)
3. [Missing Addend Worksheet 19-20](https://www.math-play.com/missing-addend-worksheet-19-20.pdf)
Missing Addend Worksheets for Multi-Digit Addition (21-30)
1. [Missing Addend Worksheet 21-24](https://www.tutoringhour.com/missing-addend-21-24.pdf)
2. [Missing Addend Worksheet 25-28](https://www.tutoringhour.com/missing-addend-25-28.pdf)
3. [Missing Addend Worksheet 29-30](https://www.tutoringhour.com/missing-addend-29-30.pdf)
Missing Addend Worksheets for Word Problems
1. [Missing Addend Worksheet Word Problems 1-5](https://www.mathandriddles.com/missing-addend-word-problems-1-5.pdf)
2. [Missing Addend Worksheet Word Problems 6-10](https://www.mathandriddles.com/missing-addend-word-problems-6-10.pdf)
Remember to download and print the worksheets before using them with your students. You can also adjust the difficulty level or modify the worksheets to fit the needs of your students.
