Missing Addends Worksheet Generator
Missing-addends problems teach the part–part–whole relationship — the same idea that makes subtraction click later on. Print a page where kids find a missing addend in either position, or a Grade 2 missing-minuend variant that uses the inverse. Kindergarten through Grade 2.
Each problem gives the first addend and the sum — kid writes the missing second addend in the blank.
Find the second addend · a + __ = c · Sums to 20
1
12+=13
2
11+=20
3
19+=20
4
12+=18
5
9+=20
6
9+=15
7
3+=10
8
5+=8
9
10+=11
10
8+=18
11
6+=9
12
1+=10
13
12+=19
14
13+=17
15
15+=16
16
14+=17