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 transportation? • The word transportation has the prefix trans-. • Can you see the prefix inter-in intermediate? • What does intermediate mean?

4. Concept Development • inter-: Latin prefix meaning between or among: the second element of the compound is singular in form. • trans- : Latin prefix meaningon the other side of, to the other side of, over, across, or through . Bullet proof definitions • inter- : Prefix from Latin meaning “between.” • trans- : Prefix from Latin meaning “across.” Student friendly definitions

5. The prefix inter- comes from Latin meaning “between.” Tell your partner what the prefix inter- means.

6. The prefix trans- comes from Latin and it means “across.” Tell your partner what the prefix trans- means.

7. Read the following prefixes: inter - between Latin trans- across Latin

8. 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?

9. Skill Development • Read these words: transact transmit transfusion transfer interactive intersect intermittent interval interfere

10. Read these definitions / synonyms: To do or carry on business To move or change from one place to another The movement of blood from one person to another To send from one person or location to another To come between Off-and-on, stop-and-start Time and space etween two events or objects

11. Able to act back and forth between people and things • Match the words with the correct definition or synonym: transact To do or carry on business transmit To move or change from one place to another transfusion To cut or pass through, to cross transfer To send from one person or location to another interactive Off-and-on, stop-and-start intersect Time and space between two events or objects intermittent interval The movement of blood from one person to another interfere To come between

12. Answer these questions: • What does the prefix trans- mean? • What does the prefixinter-mean? • What does transfer mean? • What does transfusion mean? • What does intersect mean? • What does interfere mean?

13. Identify the prefixes. Guided Practice • interactive • interfere • intermittent • intersect • interval • transact • transfusion • transmit • transfer

14. Meaning in Context Use the words in the box to fill in the blanks in the following paragraph. intermittent transmit interactive interval Serena sat at the computer, working on an (1) _________ science program that responded each time she entered the answer. At the end of the program, she pressed SEND to (2) _________________ her work to her teacher. She thought that after a short (3) _______________ she would see her score on the monitor. But instead, her computer program began making an (4) _______________ beeping sound, a sure sign that she was not finished yet. interactive transmit interval intermittent

15. Closure • The prefix inter- means – • The prefix inter- comes from Latin meaning “between.” • The prefix trans- means – • The prefix trans- comes from Latin and it means “across.”

16. Independent Practice Match the bolded word with the best synonym: • lines that intersect • a. cross b. curve c. parallel • to transfer students • a. teach b. grade c. move • a blood transfusion • a. transfer b. loss c. clot • to interfere in • a. perform b. sing c. meddle 5. to transact business a. do b. lose c. look for

17. Extension You met the word intersect in this lesson. You know that inter- means “between.” The “sect” part of intersect is derived from the Latin word sectare, meaning “to cut.” Two streets that intersect “cut through” each other. The root sect also appears in the words bisect, trisect, and section. Look at the words in the first column. Using your knowledge of word parts, find the correct meaning for each word in the second column. Then write its letter on the line before it. __ bisect __ trisect __ section c • to cut into three parts • a piece, cut from something • to cut into two parts a b