1st Grade Math > Subtracting Doubles > Flashcards
20 - 10 =
10
18 - 9 =
9
16 - 8 =
8
14 - 7 =
7
12 - 6 =
6
10 - 5 =
5
8 - 4 =
4
6 - 3 =
3
4 - 2 =
2
2 - 1 =
1