Addition & subtraction within 20 (Grade 1) Worksheet
40 new questions every day on addition & subtraction within 20.
13 - 13 =
17 + 1 =
7 + 12 =
12 - 8 =
9 - 8 =
19 - 4 =
8 - 3 =
13 - 11 =
13 + 6 =
10 - 4 =
9 - 2 =
10 - 9 =
16 - 13 =
19 - 12 =
4 + 4 =
5 + 9 =
3 + 6 =
15 - 13 =
19 - 18 =
18 - 15 =
1 + 1 =
19 - 4 =
1 + 11 =
15 - 1 =
18 - 12 =
16 - 4 =
5 + 1 =
14 - 9 =
19 - 15 =
9 - 3 =
10 - 9 =
17 - 4 =
17 - 14 =
18 - 11 =
2 + 15 =
14 - 3 =
16 + 2 =
3 + 2 =
1 + 9 =
10 - 5 =