Search Printable 3rd Grade Common Core Grammar and Mechanic Worksheets

Create your own crazy story with this fill-in-the-blank story! Your budding writer will practice parts of speech as he fills in missing parts of the story.

Help your child with his grammar skills with this printable worksheet that focuses on using end punctuation.

Grammar enthusiasts and baseball fans will enjoy identifying the adjectives—and the nouns they describe—in this engaging parts of speech worksheet.

In this worksheet, learners will change the meanings of 20 words by adding the prefixes dis-, -re, or -un to them.

Practice adding adjectives to sentences and words in this parts of speech worksheet!

Boost your third grader's pronoun savvy with an exercise in replacing objects with their pronouns.

Children will practice identifying and writing calendar days and dates in February in this engaging calendar math worksheet.

Become a prefix superhero with this fun worksheet! Children will flex their power to create new words by combining prefixes with words they already know using a handy prefix word bank with definitions.

Learning plural nouns is a challenge! If your child is having trouble remembering the plural forms of different nouns, this worksheet is key.

Use this irregular verbs worksheet to give your child some irregular verbs exercises that will help develop her grammar skills and improve her writing.

Learners practice using pronouns in context in this fill-in-the-blanks grammar worksheet.

Learners will review subject-verb agreement rules before selecting the correct verbs to complete 15 sentences.

This worksheet offers helpful practice for students as they learn to correctly identify and use adverbs in sentences.

Help clear up the pronoun confusion by having your third grader practice replacing sentence subjects with the pronouns that go with them.

Children will practice identifying and writing calendar days and dates in January in this engaging calendar math worksheet.

This worksheet offers engaging practice for students as they learn to conjugate and use irregular past-tense verbs.

Learners embrace the present in this fun grammar worksheet!

Use this worksheet to practice determining the meaning of the new word formed when a prefix is added to a base word.

In this worksheet, learners will practice identifying the verb that agrees with the subject, then complete the sentences.

Go on a crazy camping adventure with this fill-in-the-blanks story! Your student can practice their parts of speech as they fill in the missing words.

Children practice spelling and alphabetizing sight words in this handy practice worksheet.

Children read about the weather as they identify supporting details in this science and literacy worksheet.

Children practice creating contractions in this engaging grammar worksheet.

Kids practice using the prefixes dis-, un-, and non- in this worksheet.