Practice Makes Perfect: Mastering Grammar is divided into nine parts. Each part concentrates on grammar skills and includes tip sheets and worksheets. An answer key for the worksheets is included at the end of the book.
Part 1 “Sentences” includes three tips sheets and seventeen worksheets that focus on sentence types, sentence structure, subjects, predicates, fragments, and run-on sentences.
In addition, four review worksheets are included at the end of this section.
Part 2 “Nouns” includes four tip sheets and ten worksheets that focus on singular nouns, plural nouns, common nouns, proper nouns, irregular plural nouns, and possessive nouns. The section concludes with four review worksheets.
Part 3 “Verbs” contains six tip sheets and twenty-nine worksheets that cover action verbs, linking verbs, verb phrases, direct objects, indirect objects, predicate nominatives, predicate adjectives, contractions with verbs, tenses, irregular verbs, and subject-verb agreement. Three review worksheets conclude this section of the book.
Part 4 “Pronouns” contains five tip sheets and sixteen worksheets on personal pronouns, antecedents, subject pronouns, object pronouns, possessive pronouns, and indefinite pronouns. Three review worksheets are also included.
Part 5 “Adjectives” contains two tip sheets and seven worksheets on identifying adjectives and proper adjectives and the comparison of adjectives. Three review worksheets conclude this section.
Part 6 “Adverbs” includes three tip sheets and eight worksheets on identifying adverbs, the comparison of adverbs, and double negatives. The section also includes three review worksheets.
Part 7 “Prepositions, Conjunctions, and Interjections” contains four tip sheets and ten worksheets on prepositions, prepositional phrases, adjective phrases, adverb phrases, conjunctions, and interjections. The section ends with four review worksheets.
Part 8 “Punctuation and Capitalization” contains eight tip sheets and twenty three worksheets on end punctuation, commas, colons, semicolons, apostrophes, quotation marks, italics, and capitalization. Eleven review worksheets are also included.
Part 9 “Usage and Proofreading” contains one tip sheet and six worksheets on words that cause confusion, and one tip sheet and eight worksheets on proofreading to find grammatical mistakes.

The tip sheets and worksheets throughout the book are designed to make learning grammar easier. Each tip sheet serves as a resource, providing facts and information about topics and skills in grammar. The worksheets have clear directions and require no additional materials. You may want to check the tip sheets if you need help in completing the worksheets. The worksheets are self-correcting. You are presented with a trivia question at the top of the worksheet, which you can answer by completing the worksheet correctly.
The skills covered in this book follow the typical language arts and grammar curriculum for grades 6 through 8. The skill or topic addressed in each worksheet is included with the number and title of the worksheet in the table of contents. The contents therefore serves as a skills list.