Riddle-iculous Math

"What's the number of states in the U.S.A. minus the number of days in the month of May minus the number of paws on a grizzly bear minus the number of legs on the spider in your hair? Spider!?! Eeeek!" The answer to this and other math questions can be found in this funny book of riddles and jokes. Children can learn basic math skills while reading about animal sleepover parties, cafeteria food fights, and a boy who made more than 5 million dollars in one month!