32 Compact twopage lessons are each tightly focused on a particular subtopic to guarantee comprehension and build a foundation for further practice and skill development. Backofthebook list of key words in each. Preview & Review exercises introduce & wrap up each unit. A topicrelated "Everyday Math" application in every lesson. Content Includes: Commuting to School and Work, Traveling by Bus, Traveling by Train or Plane, Planning a Vacation.