Missing Addends Within 20
Grade 1 Math Worksheet - Building Confidence

Write the answer on the line.
Fill the blank: + 6 = 8.
8 is made from 4 and what number?
Fill the blank: + 2 = 11.
What number completes 7 + = 11?
11 is made from 10 and what number?
11 is made from 5 and what number?
Fill the blank: + 3 = 9.
What number completes 9 + = 12?
8 is made from 7 and what number?
11 is made from 4 and what number?