Vocabulary and Concept Development EDI

1
Vocabulary and Concept Development EDI

• Standard
• 1.4 Students will identify common roots and
  affixes derived from Greek and Latin and use this
  knowledge to analyze the meaning of complex words
  (e.g., international).

2
Learning Objective
concept

• I will know common roots and affixes derived from
  Greek and Latin and use this knowledge to analyze
  the meaning of complex words.

skill
3
Activating Prior Knowledge

• Have you heard the word circle?
• The root circ means around.
• Can you see the root cycl in bicycle?
• The root cycl means revolving.
• What revolves on a bicycle?

4
Concept Development

• Affix A word element that is placed at the
  beginning (prefix), in the middle (infix), or at
  the end (suffix) of the root or word stem.
• Root The root is the part of the word that
  contains the basic meaning.

Bullet proof definitions

• Affix Part of a word that is placed at the
  beginning or at the end of the root or word stem.
  
• Root The root is the part of the word that
  contains the basic meaning.

Student friendly definitions
5
Tell your partner what an affix is.
An Affix is part of a word that is placed at the
beginning or at the end of the root or word stem.
6
Tell your partner what a root is.
A root is the part of the word that contains the
basic meaning.
7
Read the following affixes
semi- half or partly Latin
re- again, anew, back Latin
bi - two Latin
-al like, suitable for Latin
uni- one Latin
-ate to become associated with Latin
de- from, away, off Latin
-ent to form Latin
quad- quatr- four Latin
8
Read the following Greek or Latin roots.
pend hang Latin
circ, circum around Latin
cycl revolving - wheel Greek
equ same, even, equal Latin
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Importance

• Have you ever been confused about a word and have
  not been able to figure out its meaning?
• Have you ever had to use knowledge of word
  meaning to figure out the meaning of a new or
  difficult word?

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Skill Development

• Read these words

circulate
unicycle
cyclone
circuit
equidistant
pendulum
equality
dependent
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• Read these definitions / synonyms

to move around
one revolving wheel
path around which electricity passes
hanging onto for support
hanging from a clock
revolving winds
same conditions or treatment
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• Match the words with the correct definitions or
  synonyms

circulate
to move around
hanging onto for support
unicycle
path around which electricity passes
cyclone
one revolving wheel
circuit
hanging from a clock
equidistant
revolving winds
pendulum
same conditions or treatment
equality
same distance
dependent
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Answer these questions

• What is an affix?
• What is a root?
• Is circl as in circle a root or an affix?
• What does the root circl mean?
• What is the root in bicycle?
• What that the root mean?

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Identify the roots.
Guided Practice

• circus
• circular
• semicircle
• cycle
• cyclone
• recycle
• equal
• equivalent

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Meaning in Context
Use the words in the box to fill in the blanks in
the following paragraph.
semicircle unicycle circular
cyclone circulate
Members of our local One-Wheel Cyclists
Club claim that anyone can learn to ride a (1)
_____________________. The club members meet in
a park that has both straight and
(2)____________________ paths for riding. Some
of the more skilled members can pedal halfway
around a circle and then pedal backwards over the
same (3)__________________. At the meetings,
newcomers often (4)___________________ among the
long-term members to hear about some interesting
and unusual experiences. One rider likes to tell
beginners about the time she was almost caught in
a (5)_____________________ and pedaled home as
fast as she could while the wind and rain
increased.
unicycle
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Closure

• An affix is
• An Affix is part of a word that is placed at the
  or at the end of the root word or word stem.

• A root is
• the part of the word that contains the basic
  meaning.

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Independent Practice
Match the bolded word with the best synonym

• an equilateral triangle
• a. equal sides b. right angles c.
  large

• a dependent patient
• a. giving help b. needing help c.
  young

• working for equality
• a. liberty b. getting votes
  c. fairness

• a circular route
• a. curved b. level
  c. short

5. to equate the situation a. describe
b. make unfair c. treat as same
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Extension
The numbers one (uni-), two (bi-), and
three(tri-) are connected with many words. In
this lesson you met the word unicycle, and you
learned that a unicycle has one wheel. There are
many words that start with uni-, and they also
have a one connection. Look at the word unify,
which means to bring together as one.
Underline the prefix you see in each of these
words. Match the word with the definition.

• __ bicycle
• __ tricycle
• __ biped
• __ triceratops
• __ triangle
• __ bilingual
• __ unicorn
• __ triplets

g

1. a cycle with three wheels
2. a geometric figure with three angles
3. having two feet
4. speaking two languages
5. dinosaur with three horns
6. having one horn
7. a cycle with two wheels
8. three siblings born at the same time

a
c
e
b
d
f
h