These worksheets contain exercises which will teach your students the rules of proper capitalization.

Written languages were originally composed of all capital letters (it is theorized that lower-case letters came into being due to sloppy handwriting). Nowadays, we frown on that, equating it to shouting. Every language has its own rules as to which words should be capitalized and under which circumstances. The following pages challenge students to find and correct errors in proper capitalization, either by rewriting, matching, or identifying the relevant rule of capitalization. Answer keys are provided.

Fun Fact: Computer programming, product branding, and other disciplines have their own case conventions, including CamelCase, snake_case, SCREAMING_SNAKE_CASE, kebab-case, and StUdlYCaPS.

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Print Capitalization Worksheets

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Quiz

Put a check mark next to each situation in which a letter should be capitalized.

When to Capitalize

Underline the word in each sentence that should be capitalized. Then write the letter(s) of the capitalization rule that applies.

Find the Errors

Underline the errors in each sentence.

Correcting It

Rewrite each sentence, correcting the capitalization errors.

Correcting Capitalization Errors

There are multiple items underlined in each sentence. Only one of the is an error. Identify the actual error and write its letter on the line.

Capitalization for Effect

Before passing out this worksheet, fold the bottom half of the paper up along the fold line so that students cannot see Exercise Two.

Clean Up

Circle the words in each sentence that need to be capitalized.

Sentence Sealer

Rewrite the sentences below using correct CAPS.

Capitals By Choices

Underline the error in each sentence. Match it to the correct capitalization rule.

Quick Reference Guide

Create your own personalized Quick Reference Guide by writing a sample sentence to go with each CAPS rule.

Editing for CAPS

Editors have a special symbol to indicate that a word should be changed. Let's use them here.

Don't Capitalize That!

Editors have a special symbol to indicate that a word should NOT be capitalized. They draw an arrow pointed downward through the letter that should be lowercase.

Skills

: Rewrite each sentence to correct the capitalization errors.

Quiz

Correct each one that comes your way.

CAPS Rules

Match each sentence to the rule that applies to the error that you found.