0 +10=10
1+ 9 = 10
2+ 8 = 10
3+ 7 = 10
4+6 = 10
5+5 = 10
and of course all of the facts up to 5 also in reverse (9+1, 8+2, etc.)
1+ 9 = 10
2+ 8 = 10
3+ 7 = 10
4+6 = 10
5+5 = 10
and of course all of the facts up to 5 also in reverse (9+1, 8+2, etc.)
