High-Interest Activities for Practice and Mastery of Basic Grammar Skills (Grades 3-4). Can students have fun while they learn about grammar? They can with Grammar Rules! High-interest activities will engage students as they develop grammar skills and then apply those skills to their writing. Featured skills follow national standards and build on each other in a logical, grade-appropriate progression. Includes writing applications and practice and review activities., High-Interest Activities for Practice and Mastery of Basic Grammar Skills, End-of-book reviews, Student editing checklists, Answer keys, 128 pages.