Two complete games using mental arithmetic and brain skills. Fun games for competition, which includes addition, subtraction, multiplication, and division. Takes a minute to learn and the fun continues all year long. Game 1 uses 35 cards and are read out loud in a round robin reading style. Try to do each round in record time. Graph the results and watch your mental math, brain skills improve. Game 2 has 34 cards and are not interchangeable. Each card has the answer to another card’s question, along with a new mental arithmetic problem to be solved. The activity continues until all the cards are read. Included is a listing of all the problems, with answers for each deck to facilitate the teacher’s reading and timing of the games. For Grades 4 - 8 ISBN #0-9638483-2-1