This resource book contains mathematical games, tricks, and quick activities for the classroom. Categories of activities include computation, manipulative challenges, puzzlers, picky puzzlers, patterns, measurement, money, and riddles. The computation section contains 13 classroom games and activities along with 4 manipulative challenges. Twenty-six puzzles are provided in the two puzzler sections. The book presents 10 ideas on measurement and money, 11 pattern problems, and 5 riddles. A key to each of the 69 activities, games, and tricks is included. (DDR)