Addition Within 20
Grade 1 Math Worksheet - Challenge Me

NameDate
Write the answer on the line.
10 + 9 =
10 + 5 =
7 + 10 =
8 + 10 =
7 + 8 =
10 + 10 = ____
9 + 8 =
6 + 10 =
9 + 7 =
10 + 8 =
9 + 6 =
10 + 6 =
7 + 9 =
10 + 7 =
5 + 10 =
6 + 9 =
8 + 8 =
9 + 9 =