Scoring in Think Ahead+ is simple, each Player gets the point value of the tile that is selected from the game board. The player with the highest point total at the end of the game is the winner. Since there are plenty of negative numbers, it is possible to end up with a negative score.
NOTE: The numbers used in the game are always the same. However, they are randomly distributed each time a new game is played. Here are the numbers used in the game and the number of tiles with that value in each game: