Name ______________________ Learning Objective Today, we will use prefixes to analyze1 the meaning of words. 1 carefully look at CFU What are we going to do today? What does analyze mean? Analyze means ______________________________. Activate (or provide) Prior Knowledge Circle the letters at the beginning of the words that are the same. 1. redo 2. rewrite CFU Students, you already know that a letter or group of letters added to words gives the words a new meaning. These are called prefixes. Today, we will use prefixes to analyze the meaning of words. DataWORKS Educational Research (800) 495-1550 • www.dataworks-ed.com ©2012 All rights reserved. Comments? feedback@dataworks-ed.com 4th Grade Reading Vocabulary 1.4 (1Q) Know common roots and affixes derived from Greek and Latin and use this knowledge to analyze the meaning of complex words (e.g., international). Lesson to be used by EDI-trained teachers only. Concept Development A prefix is a letter or group of letters added to the beginning of a base word to change its meaning. • A prefix has a meaning of its own. A base word is a word in its basic form, without a prefix or suffix. Prefix & Meaning Word with Prefix & Definition Using the prefix in a sentence un(not) un + able = not able Lee was unable to finish his report because he got sick. un + kind = not kind Sarah’s unkind words hurt my feelings. re(again) re + write = write again The teacher asked Martha to rewrite the report due to her messy handwriting. re + do = do again Tom had to redo the math problem on the board. Not an example of a prefix: uncle un- is not a prefix because cle is not a word. reach re- is not a prefix because ach is not a word. CFU What is the difference between the word redo and the word reach? Which word has a prefix? How do you know? A real B rerun In your own words, what is a prefix? A prefix is_________________. DataWORKS Educational Research (800) 495-1550 • www.dataworks-ed.com ©2012 All rights reserved. Comments? feedback@dataworks-ed.com 4th Grade Reading Vocabulary 1.4 (1Q) Know common roots and affixes derived from Greek and Latin and use this knowledge to analyze the meaning of complex words (e.g., international). Lesson to be used by EDI-trained teachers only. Skill Development/Guided Practice A prefix is a letter or group of letters added to the beginning of a base word to change its meaning. • A prefix has a meaning of its own. A base word is a word in its basic form, without a prefix or suffix. Prefix Use prefixes to analyze the meaning of words. hyperStep #1: Read the sentence, paying attention to the underlined word. intera. Identify3 the prefix in the underlined word. (circle) b. Write the prefix and its meaning. dec. Identify the clues that help know the meaning of the underlined word. (underline) Step #2: Select4 the best definition for the underlined word. (circle) 3 find (synonym) 4 Meaning over, extreme between, among remove choose (synonym) 1. The boy was so hyperactive he could not sit still. over, extreme hyperPrefix: ____________ means_______________ A a person who is sluggish B a person who is lazy C a person who is always moving 2. The editor was hypercritical pointing our every mistake in the newspaper. Prefix:____________ hypermeans_______________ over, extreme A a person who is never critical B a person who doesn’t make mistakes C a person who is extremely critical 3. A cracked window will devalue the price of the car. 4. The international airport has flights to all different countries. Prefix: ____________ means________________ remove deA to have a clean car B to remove value from something C to buy a new car Prefix: ____________ means________________ between, among interA to be in one country B to go between different countries C to leave a country 5. We asked Dad to debone the fish before we ate it. 6. The new interstate highway connects California and Arizona. Prefix: ____________ means______________ remove deA cook the bones of the fish B a bone shaped as a D C to remove a bone from something interPrefix: ____________ means______________ between, among A two different highways B a highway that goes between different states C a highway that does not end CFU (#1a) How did I/you identify the prefix in the underlined word? (#1c) How did I/you identify the clues that help know the meaning of the underlined word? DataWORKS Educational Research (800) 495-1550 • www.dataworks-ed.com ©2012 All rights reserved. Comments? feedback@dataworks-ed.com 4th Grade Reading Vocabulary 1.4 (1Q) Know common roots and affixes derived from Greek and Latin and use this knowledge to analyze the meaning of complex words (e.g., international). Lesson to be used by EDI-trained teachers only. Relevance A prefix is a letter or group of letters added to the beginning of a base word to change its meaning. • A prefix has a meaning of its own. A base word is a word in its basic form, without a prefix or suffix. 1. Using prefixes to analyze the meaning of words will help you figure out the meaning of more complex words. reteach – teach again pretest – test before posttest – test after 2. Using prefixes to analyze the meaning of words will help you do well on tests. Sample Test Question: 1. Read this sentence. Anna and her friends enjoyed the previews at the movie theater. In this sentence, the prefix pre- tells us that A B C D they liked the movie. they went somewhere before the movie. they viewed part of a movie before it was out they enjoyed viewing nice clothes CFU Does anyone else have another reason why it is relevant to use prefixes to analyze the meaning of words? (pair-share) Why is it relevant to use prefixes to analyze the meaning of words? You may give me one of my reasons or one of your own. Which reason is more relevant to you? Why? DataWORKS Educational Research (800) 495-1550 • www.dataworks-ed.com ©2012 All rights reserved. Comments? feedback@dataworks-ed.com 4th Grade Reading Vocabulary 1.4 (1Q) Know common roots and affixes derived from Greek and Latin and use this knowledge to analyze the meaning of complex words (e.g., international). Lesson to be used by EDI-trained teachers only. A prefix is a letter or group of letters added to the beginning of a base word to change its meaning. • A prefix has a meaning of its own. A base word is a word in its basic form, without a prefix or suffix. Skill Closure Use prefixes to analyze the meaning of words. Prefix hyperde- Step #1: Read the sentence, paying attention to the underlined word. a. Identify the prefix in the underlined word. (circle) b. Write the prefix and its meaning. c. Identify the clues that help know the meaning of the underlined word. (underline) Step #2: Select the best definition for the underlined word. (circle) Meaning over, extreme remove 1. Sue is very easily upset and hypersensitive when people make fun of her. 2. He had to defrost the window so he could see through the snow. over, extreme Prefix: ____________ means______________ hyper- Prefix: ____________ means______________ remove de- A not sensitive B very strong C extremely sensitive A to remove the frost B to replace the frost C to make new frost Constructed Response Closure Georgina chose the letter B below for the definition of derail. Was she correct? Explain your answer. 1. The train derailed last night, and there were a total of six cars off the track. A drive a train B remove from a rail C remove track Summary Closure What did you learn today about using prefixes to analyze the meaning of words? Day 1 __________________________________________________________________________________ Day 2 __________________________________________________________________________________ DataWORKS Educational Research (800) 495-1550 • www.dataworks-ed.com ©2012 All rights reserved. Comments? feedback@dataworks-ed.com 4th Grade Reading Vocabulary 1.4 (1Q) Know common roots and affixes derived from Greek and Latin and use this knowledge to analyze the meaning of complex words (e.g., international). Lesson to be used by EDI-trained teachers only. Independent Practice Name________________________________ A prefix is a letter or group of letters added to the beginning of a base word to change its meaning. • A prefix has a meaning of its own. Prefix A base word is a word in its basic form, without a prefix or suffix. biUse prefixes to analyze the meaning of words. semiStep #1: Read the sentence, paying attention to the underlined word. suba. Identify the prefix in the underlined word. (circle) b. Write the prefix and its meaning. c. Identify the clues that help know the meaning of the underlined word. (underline) Step #2: Select the best definition for the underlined word. (circle) Meaning two, twice half under 1. Each year, my favorite store has biannual sales with great prices. 2. America’s first biplane was built and flown by the Wright brothers. Prefix: __________means____________ two, twice biA half of the time B twice a year C once a year two, twice Prefix: __________ bimeans ____________ A two planes B a plane with two wings C planes flying under something 3. Our semiannual report cards are sent home in the middle of the school year. 4. The subway is a fast and a great source for traveling in a big city like New York. Prefix: __________ means ____________ semihalf A within the year B to do a year again C half of a year Prefix: __________ means ____________ under subA a long passageway B under the train C an underground passageway 5. Your eyebrow is shaped like a semicircle. 6. The subzero freezer kept the food frozen. Prefix: __________ semi- means ____________ half A to make a circle again B to get out of a circle C half of a circle Prefix: __________ means ____________ under subA under zero B to frost over C to remove zero DataWORKS Educational Research (800) 495-1550 • www.dataworks-ed.com ©2012 All rights reserved. Comments? feedback@dataworks-ed.com 4th Grade Reading Vocabulary 1.4 (1Q) Know common roots and affixes derived from Greek and Latin and use this knowledge to analyze the meaning of complex words (e.g., international). Lesson to be used by EDI-trained teachers only. Periodic Review 1 Name________________________________ A prefix is a letter or group of letters added to the beginning of a base word to change its meaning. • A prefix has a meaning of its own. A base word is a word in its basic form, without a prefix or suffix. Prefix Use prefixes to analyze the meaning of words. Step #1: Read the sentence, paying attention to the underlined word. a. Identify the prefix in the underlined word. (circle) b. Write the prefix and its meaning. c. Identify the clues that help know the meaning of the underlined word. (underline) Step #2: Select the best definition for the underlined word. (circle) 1. My sister is unable to tie her shoes because no one has showed her how. Prefix: __________ means ____________ unnot A not able to do something B able to do something C to do something again 3. The 3D alien move was unreal; everything was completely fake. Prefix: __________ means ____________ unnot A against a person who is fake B to be real C not real or actual antiimun- Meaning opposing or against not not 2. The anticrime program was keeping the city safe. antiPrefix: __________ means ____________________ opposing or against A against crime B not locked C to lock again 4. She was very antisocial and would not talk to anyone. Prefix: __________ means ______________________ opposing or against antiA willing to talk to everyone B always talking to other people C against talking to other people 5. The water was impure because of the poisons that were being released into the river. 6. The boy was very impolite by not waiting his turn to talk. not imPrefix: __________ means ____________ A not pure water B water that is pure C water against being pure imnot Prefix: __________ means ____________ A a boy talking nicely B against being polite C not polite DataWORKS Educational Research (800) 495-1550 • www.dataworks-ed.com ©2012 All rights reserved. Comments? feedback@dataworks-ed.com 4th Grade Reading Vocabulary 1.4 (1Q) Know common roots and affixes derived from Greek and Latin and use this knowledge to analyze the meaning of complex words (e.g., international). Lesson to be used by EDI-trained teachers only. Periodic Review 2 Name________________________________ A prefix is a letter or group of letters added to the beginning of a base word to change its meaning. • A prefix has a meaning of its own. Prefix A base word is a word in its basic form, without a prefix or suffix. disUse prefixes to analyze the meaning of words. postStep #1: Read the sentence, paying attention to the underlined word. undera. Identify the prefix in the underlined word. (circle) b. Write the prefix and its meaning. c. Identify the clues that help know the meaning of the underlined word. (underline) Step #2: Select the best definition for the underlined word. (circle) 1. Please postdate the delivery package for next week. Prefix: __________ means _____________________ postafter in time, later A to put a date before B to put a date of a later time C to remove a date 3. I disapprove of our choice for lunch because I don’t care for the food they serve. Prefix: __________ means _________________ disremoval or not A to not approve of something B be happy with someone C to approve later 5. The underdeveloped kitten needed time to grow before leaving the litter. Prefix: __________ under- means _____________________ below or not enough A be over developed B quickly developed C not developed enough DataWORKS Educational Research (800) 495-1550 • www.dataworks-ed.com ©2012 All rights reserved. Comments? feedback@dataworks-ed.com Meaning removal or not after in time, later below or not enough 2. The judge had to disallow the question because it was not fair. removal or not Prefix: __________ means _____________________ disA to not allow something B to judge something C to allow something later 4. The posttest will be after the lesson today. Prefix: __________ post- means _____________________ after in time, later A take a group test B a test after a lesson C not take a test 6. If you underachieve in school, you will not receive good grades. Prefix ______________means ___________________ underbelow or not enough A not achieve enough B to over achieve C to achieve later 4th Grade Reading Vocabulary 1.4 (1Q) Know common roots and affixes derived from Greek and Latin and use this knowledge to analyze the meaning of complex words (e.g., international). Lesson to be used by EDI-trained teachers only. Periodic Review 3 Name________________________________ A prefix is a letter or group of letters added to the beginning of a base word to change its meaning. • A prefix has a meaning of its own. Prefix A base word is a word in its basic form, without a prefix or suffix. autoUse prefixes to analyze the meaning of words. biStep #1: Read the sentence, paying attention to the underlined word. microa. Identify the prefix in the underlined word. (circle) b. Write the prefix and its meaning. c. Identify the clues that help know the meaning of the underlined word. (underline) Step #2: Select the best definition for the underlined word. (circle) 1. The plane was on autopilot as it flew over the ocean. Prefix: __________ means ____________ autoself or same A to drive a large plane B to be driven by someone C to drive by itself Meaning self or same two small 2. Grandma used her bifocals to read a book and see things that are far away. Prefix: __________ means ____________ bitwo A lenses that have two focal lengths B lenses that focus on their own C very large lens 3. The tiny microfossil proved that birds lived at the same time as dinosaurs. 4. President Bush wrote his autobiography about his life after being president. Prefix: __________ micro- means ____________ small A a very old fossil B two fossils of an animal C a very small fossil Prefix:__________means____________ autoself or same A a biography written by oneself B a whole biography C a biography about someone who is dead 5. She is bilingual, and speaks both Spanish and French. 6. The flu germ is a tiny microorganism that can make you sick. biPrefix: __________means ____________ two A one language B one who speaks no languages C speaking two languages Prefix: __________ means ____________ microsmall A an organism built by someone B a small organism C a very large structure DataWORKS Educational Research (800) 495-1550 • www.dataworks-ed.com ©2012 All rights reserved. Comments? feedback@dataworks-ed.com 4th Grade Reading Vocabulary 1.4 (1Q) Know common roots and affixes derived from Greek and Latin and use this knowledge to analyze the meaning of complex words (e.g., international). Lesson to be used by EDI-trained teachers only. EDI – Cognitive, Teaching and English Learners Strategies Learning Objective : Use prefixes to analyze the meaning of words. Cognitive Strategies Teaching Strategies Elaboration Demonstration Targeted vocabulary: analyze, prefix, base word, identify, select Language Strategies Vocabulary Words Academic analyze, identify, select Content prefix, base word Support Multiple-Meaning Vocabulary Strategy Synonym identify (find), select (choose) Definition prefix, base word Homophone Internal Context Clue Listen, Speak Read Write Similar Sounds Tracked Reading Decoding Rules Writing Content Access Strategies Comprehensible Input Cognates Graphic Organizer Contextual Clues Contextualized Definitions Pictures