This infographic is provided to help alert students about common writing mistakes. The following types of errors are discussed: commas, verb tenses, subject-verb agreement, apostrophes, pronouns, and prepositions.

Designed as a complement to Harcourt's Trophies Reading series, this handy grammar glossary allows you to look up grammar terms typically covered in grades 1-5. For each term, you will see a definition, sample sentence (sometimes...