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). Teacher reads the standard as students repeat.

concept skill Learning Objective I will know common roots and affixes derived from Greek and Latin and use this knowledge to analyze the meaning of complex words. CFU - A tells B and vise versa. Students write down the learning objective in their journal. skill

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? A and B share their thoughts. Teacher calls on 2-3 non-volunteers to share their thoughts.

Bullet proof definitions Student friendly definitions 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. A tell B what an affix is. B tell A CFU - Pick non volunteer. A tell b what a root is . B tell A Students write down the student friendly definition. Student friendly definitions

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. Tell your partner what an affix is. A tell B what an affix is. B tell A Call on 3 or 4 non-volunteers

Tell your partner what a root is. A root is the part of the word that contains the basic meaning. A tell B what an affix is. B tell A Call on 3 or 4 non-volunteers

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 ELD – oral practice and visuals de- from, away, off Latin -ent to form Latin quad- quatr- four Latin

Read the following Greek or Latin roots. pend hang Latin circ, circum around Latin cycl revolving - wheel Greek equ same, even, equal Latin RAJ - Teacher shows words having the different roots , students write the root on their whiteboards, 2 or 3 non-volunteers tell why they chose the root and what the root means.

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? Facilitate discussion

Skill Development Read these words: circulate unicycle cyclone circuit equidistant Teacher reads each word and students repeat it. pendulum equality dependent

Read these definitions / synonyms: to move around one revolving wheel path around which electricity passes hanging onto for support hanging from a clock Teacher reads each definition and students repeat it. revolving winds same conditions or treatment

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 Teacher reads each word, allows TPS time, calls on a non-volunteer, check answer. equidistant revolving winds pendulum same conditions or treatment equality same distance dependent

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? Read each question, TPS, call an a non-volunteer.

Guided Practice circus circular semicircle cycle cyclone recycle equal Identify the roots. circus circular semicircle cycle cyclone recycle equal equivalent Give time for students to Think-Pair-Share then ask for 3 non-volunteers to share their answers. Have student repeat information given when needed.

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 Students use their white boards to show their response(s).

Closure An affix is – A root is – An Affix is part of a word that is placed at the or at the end of the root word or word stem. Call on 3 or 4 students strategically or call on 3 or 4 non-volunteers to tell what an affix and a root is. A root is – the part of the word that contains the basic meaning.

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 Students read along as teacher read choices out-loud prior to completing the work sheet. a circular route a. curved b. level c. short 5. to equate the situation a. describe b. make unfair c. treat as same

Extension __ bicycle __ tricycle __ biped __ triceratops __ triangle 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 a cycle with three wheels a geometric figure with three angles having two feet speaking two languages dinosaur with three horns having one horn a cycle with two wheels three siblings born at the same time a c e b d f h