1. Vocabulary…. A “Root” Awakening
Objectives:
I will know how to break down complex or new words to determine meaning.
I will be able to identify key roots in science words to help me determine the meaning of a new word.

2. How many words are in your vocabulary?
It’s estimated there are between 1.5 and 2 million words in the English language
Evolving technology is adding about 2,000 new words each year!
Information from Greek and Latin Roots - Keys to Building Vocabulary (Rasinski, Pada, Newton, Newton)

3. Where do these words come from?
90% of English words are Latin based
75% of Spanish words are Latin based
A single Latin root is a part of English words
Latin curro = “to run”
Information from Greek and Latin Roots - Keys to Building Vocabulary (Rasinski, Pada, Newton, Newton)
course
current
occur
cursive
cursor
concur
accurate
incur

4. holds up the entire word
Three Kinds of Roots
Suffix
Prefix – appears at the beginning Base – the middle part Suffix – the end
BASE
The BASE
holds up the entire word
Information from Greek and Latin Roots - Keys to Building Vocabulary (Rasinski, Pada, Newton, Newton)
Prefix
ROOT – any part
of a word that “holds meaning”

5. Divide and Conquer (word dissection)
Identify the base root of a word and then try to think of other words that are similar, to see if they have similar meaning “in context”….
structure
construct
construction
obstruct
deconstruct
infrastructure
reconstruct
Information from Greek and Latin Roots - Keys to Building Vocabulary (Rasinski, Pada, Newton, Newton)

6. Divide and Conquer (word dissection)
structure construct construction obstruct deconstruct infrastructure Reconstruct Latin: stru, struct; means “to build”
Information from Greek and Latin Roots - Keys to Building Vocabulary (Rasinski, Pada, Newton, Newton)

7. Using Prefixes Negating prefixes: un- or in- “no or not”
unable unbutton unhealthy unclear incorrect incomplete inhuman invisible
Negating prefixes: un- or in- “no or not”
presoak pregame preheat
rewrite redo
rebuild rerun
Directional prefixes:
pre- “before”
re – “again”
Information from Greek and Latin Roots - Keys to Building Vocabulary (Rasinski, Pada, Newton, Newton)

8. Using Suffixes Common suffixes: -er = “more -est = “most”
-ful = “full of”
-less = “without”
-able, - ible = “can, able to”
EX: Small, smaller, smallest
EX: Powerful, powerless
Information from Greek and Latin Roots - Keys to Building Vocabulary (Rasinski, Pada, Newton, Newton)
EX: Readable, doable

9. Marzano Vocabulary Graphic Organizer ( Practice using Biome)
TERM:
Describe the term:
Draw: Other Words
with Same Root: