Would you like to learn about math books, games, puzzles, teaching tips, and more? Check out this month’s Math Teachers at Play:

Math Teachers at Play is a Blog Carnival for teachers, parents, homeschoolers and anyone else interested in learning and teaching mathematics.

According to the tradition of MTaP we start with some trivia related to edition number. Fifty six is a tetrahedral number, the sum of the first six triangular numbers. To model this number we laid out tiles to for the triangular numbers and then stacked them…