Common Prefixes and Suffixes

Free sample questions, a clear explanation, and 5 practice skills with an AI tutor that guides without giving the answer away.

Super Word Builders: The Power of Prefixes & Suffixes!

Hey there, Word Explorer! Did you know that you can build new words just like you build with LEGOs? It’s true! You can take a main word, add a special piece to the beginning or the end, and create a brand new word with a whole new meaning. Let's learn how!

Think of a simple word like play. That's your main building block. We call this the base word. The special pieces you add are called prefixes (which go at the start) and suffixes (which go at the end).

Meet the Prefixes: The Front-End Builders

A prefix is a word part that we add to the very beginning of a base word. It changes the word’s meaning. Let's look at two super common prefixes:

The prefix un- means "not." When we add it to happy, we get unhappy, which means "not happy."
The prefix re- means "again." When we add it to do, we get redo, which means "to do again."

Meet the Suffixes: The Back-End Builders

A suffix is a word part that we add to the end of a base word. Just like a prefix, it changes the word's meaning. Let's check out some powerful suffixes:

The suffix -ful means "full of." When we add it to care, we get careful, which means "full of care."
The suffix -less means "without." When we add it to care, we get careless, which means "without care."

Key Takeaway!

Prefixes and suffixes are like secret codes! Knowing them helps you unlock the meaning of new, bigger words all by yourself. A prefix goes at the start, and a suffix goes at the end.

Look how one base word can become two totally different things! Careful and careless are opposites, all because we changed that little suffix at the end. You are now a certified Word Builder! Keep spotting those prefixes and suffixes when you read.

Sample questions

1. What is a prefix?

○ A part of a word that tells you about a noun.

○ A word that means the opposite of another word.

✓ A part added to the beginning of a word to change its meaning.

○ A part added to the end of a word to change its meaning.

Answer: A part added to the beginning of a word to change its meaning. — Think about where 'pre-' in 'prefix' sounds like it goes!

2. What is a suffix?

○ A word that tells you to do something.

○ A small word that can stand all by itself.

○ A part added to the beginning of a word to change its meaning.

✓ A part added to the end of a word to change its meaning.

Answer: A part added to the end of a word to change its meaning. — Think about where 'suf-' in 'suffix' sounds like it goes!

3. Where do you add a prefix to a word?

○ In the middle of the word.

✓ At the beginning of the word.

○ At the end of the word.

○ It can go anywhere in the word.

Answer: At the beginning of the word. — Remember, 'pre-' means before!

Skills in this topic

Define what a prefix and a suffix are.
Identify the meaning of common prefixes (e.g., un- meaning 'not,' re- meaning 'again').
Identify the meaning of common suffixes (e.g., -ful meaning 'full of,' -less meaning 'without').
Determine the meaning of new words by analyzing their prefixes and suffixes.
Explain how adding a prefix or suffix can completely change the meaning of a base word, providing examples like 'happy' vs. 'unhappy' or 'care' vs. 'careful' vs. 'careless'.

Practice 50+ questions on this topic

Unlimited interactive practice, progress tracking, and Nova — your AI tutor. Free to start.

Start learning free →