Math > Math Addition - Doubles +1 > Flashcards
1 + 2
3
1 + 1 ( + 1 )
2+ 3——-
52 + 2 (+1) 4 + 1
3 + 4
3 + 3 = 6 + 1 = 7
4 + 5
8 + 1 = 9
5 + 6
11
6 + 7
13
7 + 8
15, fifteen, quinze
8 + 9
seventeen, dix-sept, 17