Pearson has launched its first elementary school application for iOS devices, Grammar Jammers. The new app provides interactive videos that have been designed to help kids learn the basic rules of grammar in a fun, melodic, and memorable way. Each level presents direct instruction through animations, followed by opportunities for students to apply their new knowledge. Students are also presented with various rewards for working through the interactive quizzes. Grammar Jammers is available in three versions: a free Primary Edition for grades K-5, a $3 Elementary Editi