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