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 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 combine? • The word connect has the prefix con-. • Can you see the prefix re-in review? • What does review mean?

4. Concept Development • Prefix: A word element that is placed at the beginning of the root or word stem. Bullet proof definitions • Prefix: Part of a word that is placed at the beginning of the root or word stem. Student friendly definitions

5. Concept Development • com- orcon-: Latin prefix meaning with or together: also used as an intensive. • re- : Latin prefix meaningback or returning to a previous state; again, anew, or over again. Bullet proof definitions • com- or con-: Prefix from Latin meaning “together” or “with.” • re- : Prefix from Latin meaning “back” or “again.” Student friendly definitions

6. The prefixes com- and con-come from Latin meaning “together” or “with.” Tell your partner what the prefixes com- or con- mean.

7. The prefix re- comes from Latin and it means “back” or “again.” Tell your partner what the prefix re- means.

8. Read the following prefixes: re - back, again Latin com- together, with Latin con- together, with Latin

9. 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?

10. Skill Development • Read these words: committee communicate conjunction and, but, or, … converse reaction reelect reflect relate

11. a response; the production of a chemical change in substances • a group of people who work together on some matter • Read these definitions / synonyms: • to chose and elect again; to vote into office for another term • to make known, to share information together • to bend or throw back light or sound; to think back about, consider carefully • to talk together • to have a connection with; to tell • a joining word; the part of speech that joins other words or groups of words; joining together

12. a response; the production of a chemical change in substances • Match the words with the correct definition or synonym: • a group of people who work together on some matter committee communicate • to chose and elect again; to vote into office for another term conjunction • to make known, to share information together converse • to bend or throw back light or sound; to think back about, consider carefully reaction reelect • to talk together reflect • to have a connection with; to tell relate • a joining word; the part of speech that joins other words or groups of words; joining together

13. Answer these questions: • What do the prefixes com- or con- mean? • What does the prefixsemi-mean? • What does combine mean? • What does conductor mean? • What does return mean? • What does rewrite mean?

14. Identify the prefixes. Guided Practice • relate • committee • reflect • communicate • reelect • conjunction • reaction • converse

15. Meaning in Context Use the words in the box to fill in the blanks in the following paragraph. related Committee reaction conversed reelected Committee Each member of the Science Fair (1) ________________ had a different idea about how to arrange the displays. Danya, who had attended last year’s fair, (2) _________________ how several projects got broken when people bumped into the tables. Jason and Allison became irritated with each other when they (3) ______________ about where to put the tables. Soon they were having an argument. When Zoe, the chairperson, tried to get them to cooperate, their (4) ________________ was to argue with her, too. Although she finally restored order, Zoe hoped she would not be (5) __________________ to the committee when the science fair came around next year.

16. Closure • A Prefix is – • Prefix : A word element that is placed at the beginning of the root or word stem. • The prefixes com- andcon- mean – • The prefixes com- and con- come from Latin meaning “together” or “with.” • The prefix re- means – • The prefix re- comes from Latin and it means “together” or “with.”

17. Independent Practice Match the bolded word with the best synonym: • using a conjunction in a sentence • a. noun b. joining word c. verb • to relate to • a. to be done b. connect c. repeat • reelect the president • a. choose again b. side with c. vote • communicate information • a. make known b. decide on c. hide 5. toreflect upon a. dream b. judge c. consider

18. Extension The prefix com- / con- (together, with) is sometimes spelled other ways. Look at col- in collect (to gather together). Look at co- in cooperate (to work with). Look at cor- in correspond (to communicate with by letters). All these spellings of the prefix carry the meaning “together, with.” Sort the following words according to the spelling of the prefix by listing each one under com-, con-, or other. concert correspondence coordinate collision congruent company companion connection community collage com- con- other ______________ ______________ ______________ ______________ ______________ ______________ ______________ ______________ ______________ ______________