I created this document as a quiz to assess my students' understanding of common and proper nouns and capitalization rules for names, holidays, products, and geographic locations. However, it can also be used as classwork or homework. The document is divided into three sections. The first section asks students to decide whether the noun is common or proper. The second section asks students to determine if given nouns are capitalized correctly. If they are not, students must write the noun correctly. The third section requires students to determine the errors in the sentences and rewrite them correctly. I hope you find this product helpful!
I also have an Irregular Verbs worksheet/quiz available for free!