The video tutorial explains how good readers use various tools to define new words. It introduces the concept of root words, using 'hope' as an example, and explains that root words are the simplest form of a word. The tutorial then explores suffixes, using 'hopeless' to demonstrate how adding a suffix changes the meaning of a word. Similarly, it discusses prefixes, using 'dishonest' to show how prefixes alter word meanings. Finally, the video emphasizes using prefixes and suffixes to help define unfamiliar words.

What is a root word?

• A word that cannot be broken down into smaller parts with different meanings

• A word that is always at the end of a sentence

• A word that is used to describe a plant

• A word that is always used in a question

What does the suffix 'less' mean when added to a word?

• More

• Less

• With

• Without

How does adding a suffix change a root word?

• It changes the word's language

• It makes the word longer

• It alters the word's meaning

• It changes the word's tense

What does the prefix 'dis' mean?

• With

• Not

• Very

• Again

How can prefixes and suffixes help us?

• They help us write longer sentences

• They help us understand the definitions of unfamiliar words

• They help us spell words correctly

• They help us speak faster