Missing Addend Worksheet
Free Printable Worksheet
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Find the Missing Addend
Kindergarten–Grade 1 · Sums to 10
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What number is missing? Add to find out! Write the answer in the box. ✏️
1.
1+=3
2.
2+=4
3.
3+=5
4.
1+=6
5.
2+=7
6.
3+=6
7.
4+=7
8.
5+=8
9.
2+=9
10.
4+=8
11.
1+=4
12.
3+=7
13.
5+=9
14.
2+=8
15.
4+=9
16.
3+=8
17.
6+=9
18.
1+=10
19.
5+=10
20.
4+=10
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About this Missing Addend Worksheet — Level 1
Free printable missing addend worksheet for Kindergarten–Grade 1. Level 1 covers Sums to 10. Twenty problems ask students to identify the number that makes the equation true: a + ? = sum. Builds addition fluency and algebraic thinking. Print on A4 or US Letter paper.