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3rd Grade Grammar Worksheets

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3rd Grade Grammar Worksheets

51 resources

Worksheet
Worksheet3rd GradeCreating Complete Sentences Worksheet

This Creating Complete Sentences Worksheet asks 3rd graders to spot complete sentences and fix fragments by adding a missing subject or predicate. Answer key included — perfect for quick, no-prep grammar practice at home or school.

Worksheet
Worksheet3rd GradeProofreading Worksheet

This 3rd grade proofreading worksheet has students hunt for and fix eight misspelled words in a fun garden paragraph. Answer key included — perfect for quick, no-prep spelling and editing practice at home or school.

Worksheet
Worksheet3rd GradeRewriting Incomplete Sentences Worksheet

This rewriting incomplete sentences worksheet helps 3rd graders sort complete and incomplete sentences, then rewrite the fragments into full thoughts. Includes an answer key for fast, no-prep grammar practice at home or school.

Worksheet
Worksheet3rd GradeCompound Predicates Sentences Worksheet

This compound predicates sentences worksheet gives 3rd grade students three levels of practice: underline, combine, and write their own. An answer key is included, so it works for quick grammar review at school or at home.

Worksheet
Worksheet3rd GradeParts of Speech Crossword Puzzle

This Parts of Speech Crossword Puzzle has 3rd grade students match grammar clues to nouns, verbs, adjectives, and more, then fill in the grid. Includes an answer key and a helpful word bank for no-prep practice.

Worksheet
Worksheet3rd GradeSubject Predicate Worksheet

A 3rd grade subject predicate worksheet where kids underline the subject and predicate in eight sentences, then write their own. Includes a full answer key for quick, confident grammar practice.

Worksheet
Worksheet3rd GradeAdding Commas in a Series Worksheet

This Adding Commas in a Series Worksheet gives 3rd graders practice separating list items with commas, spotting misplaced commas, and writing their own list sentence. Answer key included for quick, no-prep grammar practice.

Worksheet
Worksheet3rd GradePossession & Contraction Apostrophe Worksheet

The Possession & Contraction Apostrophe Worksheet gives 3rd graders focused practice using apostrophes for contractions and possessive nouns. Includes a complete answer key — perfect for quick, no-prep punctuation practice.

Worksheet
Worksheet3rd GradeWhat Kind of Sentence? Worksheet

With this What Kind of Sentence? Worksheet, 3rd Grade students add the missing end mark and label each sentence as a statement, question, command, or exclamation. An answer key is included, so practice is quick to check.

Worksheet
Worksheet3rd GradeRewriting Compound Subjects Worksheet

The Rewriting Compound Subjects Worksheet has 3rd grade students combine four sentence pairs into one sentence with a compound subject, then split two more apart. An answer key is included, so checking is quick.

Worksheet
Worksheet3rd GradeWho or What? Compound Subjects Worksheet

Using this Who or What? Compound Subjects Worksheet, 3rd graders name the two subjects in a sentence, join sentence pairs, and write one of their own. Answer key included for quick, no-prep grammar practice.

Worksheet
Worksheet3rd GradeRewriting Subject Predicate Sentences Worksheet

This rewriting subject predicate sentences worksheet has 3rd graders swap an underlined subject or predicate for a new one and write the sentence again. An answer key is included for fast, no-prep grammar practice.

Worksheet
Worksheet3rd GradeAdding Quotation Marks Worksheet

This Adding Quotation Marks Worksheet gives 3rd graders six sentences of dialogue to punctuate and three more to write over again with the comma and the marks in place. Answer key included, so practice checks itself.

Worksheet
Worksheet3rd GradeVerb Adjective or Preposition Worksheet

This Verb Adjective or Preposition Worksheet has 3rd graders choose the word each sentence needs, then name its part of speech. Answer key included, so grammar practice is ready in one print.

Worksheet
Worksheet3rd GradeSubject Predicate New Sentences Worksheet

Using this Subject Predicate New Sentences Worksheet, students rewrite the subject or predicate to make a new sentence.

Worksheet
Worksheet3rd GradePunctuation Review Worksheet

This punctuation review worksheet gives 3rd graders six sentences to mark and three to rewrite with commas, quotation marks, and end marks. An answer key is included, so students can check their own editing right away.

Worksheet
Worksheet3rd GradeHomophones Crossword Puzzle

This homophones crossword puzzle worksheet asks 3rd graders to choose between sound-alike word pairs, then check every answer in an interlocking puzzle. An answer key is included, so practice stays quick and independent.

Worksheet
Worksheet3rd GradeAbbreviations Fill in the Blank Worksheet

This abbreviations fill in the blank worksheet gives 3rd Grade students two-way practice writing abbreviations, expanding them into full words, and rewriting sentences. Answer key included, so students build accuracy fast.

Worksheet
Worksheet3rd GradeScotty's Castle Capital Letters Worksheet

This Scotty's Castle Capital Letters Worksheet gives 3rd graders five sentences to correct and three to rewrite, covering states, people, months and days. Answer key included for quick, no-prep grammar practice.

Worksheet
Worksheet3rd GradeMultiple Choice Change Y to I Worksheet

This Multiple Choice Change Y to I Worksheet gives 3rd grade students practice spelling plural nouns by changing y to i. An answer key is included, making it a simple way to build strong spelling skills.