Four Rules Addition, Subtraction, Multiplication and Division 28 Matching Cards Games & 4 in a Row Games 7 game boards for each topic, Addition, Subtraction, Multiplication and Division, Starting at basic calculations and increasing in difficulty. Can be used cutting out the question and cover the correct answer on the board. First to get 4 in a row wins the game, can also be used as a matching cards game; just cut up the board as well. All answers for each game are at the back.