Roly needs help solving math word problems in order to cross the river and make it to his birthday party—can you help? In the upbeat learning adventure Jumpy: Addition Word Problems Within 20, first graders will love helping their favorite feline use logs and alligators to jump across the river. But first they'll need to solve the addition word problem in order to know where to jump! (Hint: Use the space bar to move Roly through the game.)