Doubles: 3 +3 = 6, 4 +4 = 8, 1 + 1 = 2, 2 + 2 = 4, 5 + 5 = 10, 6 + 6 = 12, 7 + 7 = 14, 8 + 8 = 16, 9 + 9 = 18, 10 + 10 = 20, Doubles +1: 1 + 2 = 3, 2 + 3 = 5, 4 + 3 = 7, 5 + 4 = 9, 6 + 5 = 11, 7 + 6 = 13, 8 + 7 = 15, 9 + 8 = 17, 10 + 9 = 19,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?