Missing Addend Worksheet
Free Printable Worksheet
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Date:
Find the Missing Addend
Grade 1–2 · Sums to 20
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What number is missing? Add to find out! Write the answer in the box. ✏️
1.
3+=8
2.
5+=9
3.
4+=10
4.
6+=11
5.
7+=12
6.
8+=14
7.
5+=13
8.
9+=15
9.
6+=14
10.
7+=16
11.
8+=17
12.
9+=18
13.
10+=16
14.
11+=18
15.
12+=19
16.
6+=20
17.
7+=19
18.
8+=20
19.
9+=17
20.
10+=18
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About this Missing Addend Worksheet — Level 2
Free printable missing addend worksheet for Grade 1–2. Level 2 covers Sums to 20. 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.