Subject-Verb Agreement — Free Grade 3 Grammar Worksheet (Ocean)

A free printable Grade 3 grammar worksheet on subject-verb agreement. Three fun activities — circle the correct word, write the word, and write your own sentence — with kid-friendly icons, handwriting lines, and a full answer key. Instant PDF, no sign-up.

Ocean-themed sentences wash through this Grade 3 grammar worksheet as students identify and correct subject-verb agreement — ensuring that singular subjects take singular verbs and plural subjects take plural verbs — in an engaging aquatic context. Teachers can use it as a targeted grammar review or a writing convention check, while the ocean theme connects naturally to a cross-curricular science unit on marine habitats. Accurate agreement prevents one of the most common grammatical errors in student writing.

Answer Key