36
+63
22
+22
40
+25
16
+82
11
+12
27
+42
31
+66
51
+15
40
+28
11
+27
11
+74
21
+47
21
+33
18
+81
52
+22
14
+42
10
+61
17
+31
22
+63
40
+24
Download this free addition missing addends to 20 math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Features
- Printable PDF format
- Answer key included
- Multiple difficulty levels
- Classroom and home friendly
How to Use These Worksheets
- Select a missing addends to 20 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
How do I use this Addition Missing Addends To 20 Math Worksheet worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.