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3rd Grade Common Core Grammar and Mechanics Exercises

Review simple, compound, and complex sentences with your students to help them succeed as they begin writing reports and essays.

Simple, Compound, and Complex Sentences 1

Give students an introduction to the most simple of verbs with this exercise on the present tense.


Present Tense Verbs 1

Practice makes perfect, and these exercises that focus on contractions with apostrophes give your student the ability to work independently while still providing helpful hints when needed.

Apostrophes in Contractions 1

Teach your students how to navigate syllabus rules so they will be able to sound out words much easier.


Syllable Rules

There are silent letters lurking in every word, and this exercise will help students learning how to spell by shining a spotlight on them.


Spelling With Silent Letters

Once students get underway with this Education.com exercise, learning about similes is easy as pie.


Similes 1

Students will have better reading comprehension skills after completing this exercise that shows them how to pick out contextual clues.


Determining Meaning Using Context Clues 1

Students who complete this exercise will be able to say they learned about the different types of past tense verbs thanks to Education.com.


Past Tense Verbs 

Students will be able to explain a situation clearly after completing this educational exercise on how, when, and where adverbs.


How, When, and Where Adverbs 1

Teach your third grader how to make nouns plural so they can fully utilize their writing potential with these multiple choice exercises.

Plural Nouns

Eliminate a common error in speaking and writing with this exercise that teaches pronoun and verb agreement.


Pronoun-Verb Agreement

Capitalization of proper nouns is imperative for proper writing form. Help your third grader hone their skills with these exercises.

Proper Nouns

Help students spice up their statements with action verbs that bring color to each sentence.


Action Verbs

Help students identify whether or not a sentence is complete with these exercises that give helpful hints when they get stuck!

Complete Sentences vs. Fragments 1

Improve your child's writing skills by helping them understand and become comfortable with reflexive pronouns. Give them the ability to tell the stories they want to tell with these exercises that will put them at the top of their class.

Reflexive Pronouns

English is full of exceptions, and this exercise gives students an introduction to some of the many irregular verbs.


Irregular Verbs 1

Teach students to write using relative spaces with these exercises that use prepositions to describe one noun in relation to another. 

Prepositions 1

This introduction to past tense verbs will give students the confidence to describe recently passed actions.


Past Tense Verbs 1

This exercise provides ground rules for forming plurals, as well as common irregular words students should learn.


Regular and Irregular Plural Forms 

Teach your third grader how to write two-thought sentences with these exercises that use conjunctions to merge shorter sentences into one.

Conjunctions 1

Make it easier for students to spell words by sharing common prefixes with them through this easy to understand exercise.


Common Prefixes 

Educate your students on the importance of possessive pronouns early on to help them develop masterful reading and writing skills. These exercises, developed for third graders, will do just that and provide them with helpful hints when needed.

Possessive Pronouns 1

Along with understanding the root of words, this exercise will help students learn common suffixes tacked onto different words.


Common Suffixes 1 

Students do not have to be the fastest completing this exercise to understand adjectives better than ever before.


Adjectives with -er and -est 

Looking forward, students will love being able to describe events they are anticipating after learning the future tense of verbs.


Future Tense Verbs 1

Kids will get lots of practice with capitalizing the titles of common books and poems in this exercise. Helpful hints guide kids on the rules of capitalization.


Capitalization of Titles and Headings 1

Teach your third grader the importance of subject pronouns and noun-pronoun agreement with these exercises that are specifically developed for their age group.

Noun Pronoun Agreement

When your students are confused about where to place the apostrophe, assign this quick and easy exercise that explains singular and plural possessives.


Singular and Plural Possessives

Understanding coordinating and subordinating conjunctions is made much easier by this exercise filled with opportunities for practice.


Coordinating and Subordinating Conjunctions 1

Even after students have learned phonics, there are plenty of irregular words this exercise can help them learn to spell.


Irregularly Spelled Words 1

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3rd Grade Common Core Grammar and Mechanics Exercises

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