Missing Addends (Sums to 20)

📚 Grade 1⭐ medium📄 20 problems

Algebraic thinking practice with missing addends (e.g., 5 + __ = 12). Perfect for Grade 1 and 2.

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12 + 17 = ____

1 + 16 = ____

7 + 16 = ____

14 + 16 = ____

1 + 6 = ____

20 + 10 = ____

16 + 6 = ____

19 + 4 = ____

15 + 5 = ____

7 + 1 = ____

11 + 11 = ____

4 + 12 = ____

19 + 7 = ____

13 + 16 = ____

18 + 9 = ____

19 + 16 = ____

5 + 12 = ____

11 + 4 = ____

10 + 10 = ____

14 + 13 = ____

About This Worksheet

This free printable missing addends (sums to 20) is perfect for Grade 1 who are learning addition. Each worksheet contains 20 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!