The document discusses the key parts of words: prefixes, roots, and suffixes. It provides examples of how prefixes like "pre-", "un-", and "dis-" can change a word's meaning. Suffixes like "-er", "-able", and "-ness" also affect meaning. Understanding roots, prefixes, and suffixes can help determine a word's definition and relate it to other words. The document encourages re-reading prefixes and roots to improve vocabulary.

1. What are they and why do we
need to know them?

2. • Prefix - beginning
• Root – main word
• Suffix – ending
• Eg. Introduce (root word)
• introduction (word + suffix)

3. • What is a root word?
– word you can add beginnings and ends to
• Why look at root word?
– helps find meanings of words

4. • What is a prefix?
– It is added to the beginning of a
word to change its meaning

5. • Prefix • Meaning
– pre- – before
– un- – not
– dis- – not
– re- – again
– mis- – not
– im- – not
– bi- – two
– de- – not
Not in order
Disorder = ___________. Read again
Reread = __________.

6. • What is a suffix?
– group of letters attached to ends of words
– also changes the meaning of words

7. • Suffix • Meaning
– er – doer
– able – able to
– ous – full of
– ness – state of being
– ful – full of
– ly or –y – Like / manner
– ment – state of
Examples:
kindness beautiful
surfer forgettable
beautifully improvement
misterious