60 printable or digital pages of addition and tic-tac-toe: Add 2, Add 3, Add 4, Add 5, Add 6, Add 7, Add 8, Add 9, Add 1, 2, 3, Add 4, 5, 6, Add 7, 8, 9, Add 2, 4, 6, Add 3, 5, 7, Add 3, 6, 9, Add 5, 6, 7, Add 4, 6, 8, Add 2, 4, 6, 8, Add 3, 5, 7, 9, Add 5, 6, 7, 8, 9, Add 3, 4, 5, 6, Add 1, 2, 3, 4, Add 4, 5, 6, 7, Add 1, 2, 3, 4, 5, 6, 7, 8, 9, Add 1, 2, 3, 4, 5, 6, 7, 8, 9, Add 1, 2, 3, 4, 5, 6, 7, 8, 9, Add 1, 2, 3, 4, 5, 6, 7, 8, 9, Add within 10, Add within 11, Add within 12, Add within