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Top Twenty Prefixes
Top Twenty Prefixes
Top Twenty Prefixes
Top Twenty Prefixes
Top Twenty Prefixes
Top Twenty Prefixes
Top Twenty Prefixes
Top Twenty Prefixes
Top Twenty Prefixes
Top Twenty Prefixes
Top Twenty Prefixes
Top Twenty Prefixes
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Top Twenty Prefixes

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  • 1. The Top Twenty Prefixes The most commonly-used word beginnings.
  • 2. What Are Prefixes? <ul><li>Prefixes are first syllable word parts such as “non-” and “re-.” </li></ul><ul><li>They have their own meaning. </li></ul><ul><li>Prefixes combine with words to create new meanings. </li></ul><ul><ul><li>Pre + View = Preview (first look) </li></ul></ul><ul><ul><li>Super + Star = Superstar (top player) </li></ul></ul>Which prefixes do you think are the most common?
  • 3. Are prefixes important? <ul><li>Prefixes add meaning to many thousands of words. </li></ul><ul><li>Learn a few prefixes, and you open up the meaning of thousands of words. </li></ul><ul><li>The four most frequent prefixes account for 97% of prefixed words! </li></ul>Is there a difference between fluent and affluent?
  • 4. How do you attach prefixes? <ul><li>When you add a prefix to a root word the spelling of both usually stays the same. </li></ul><ul><li>An exception is when the prefix 'all' is added to a root word the final 'l' of 'all' is dropped: all + ways = al ways. </li></ul><ul><li>Sometimes you can add two prefixes to a word at once: re + dis + cover = rediscover. </li></ul>Have you rediscovered interest in learning vocabulary?
  • 5. Do you understand not prefixes? <ul><li>There are several prefixes which reverse the meaning of a word. </li></ul><ul><li>An easier way to remember them is if you think of them to essentially mean 'not'. </li></ul><ul><li>Negative prefixes include un true, im probable, il logical, in complete, ir rational, and dis like. </li></ul>Have you rediscovered interest in learning vocabulary?
  • 6. Do you know these prefixes? <ul><li>Anti = against : anti-war, anti-abortion </li></ul><ul><li>De = opposite : destroy, defeat </li></ul><ul><li>Dis* = not, opposite of : disagree, disbar </li></ul><ul><li>En(m) = cause to : encode, embrace </li></ul><ul><li>Fore = before : forecast, foretell </li></ul><ul><li>In = in : intake </li></ul><ul><li>Inter = between : interact, intercept </li></ul>Do the people in the illustration disagree with Doug?
  • 7. Do you know these prefixes? <ul><li>Mid = Middle : Midway </li></ul><ul><li>Mis = Wrongly : Mistake </li></ul><ul><li>Non = Not : Nonsense </li></ul><ul><li>Over = Over : Overlook </li></ul><ul><li>Pre = Before : Preview </li></ul><ul><li>Re* = Again : Return </li></ul><ul><li>Semi = Half : Semicircle </li></ul>Is it possible to be in the middle of nowhere?
  • 8. Do you know these prefixes? <ul><li>15. Sub = Under : Submarine </li></ul><ul><li>16. Super = Above: Superstar </li></ul><ul><li>17. Trans = Across : Transport </li></ul><ul><li>18. Un* = Not : Unfriendly </li></ul><ul><li>19. Under = Under : Undersea </li></ul><ul><li>20. In, Im, Il, Ir * = Not : Injustice, Impossible </li></ul>Why would a poor community be under a dark cloud?
  • 9. Which Prefix Fits? <ul><li>I have a different idea; I __agree. </li></ul><ul><li>That can’t be; it’s just __possible. </li></ul><ul><li>Say that again; please __peat it. </li></ul><ul><li>Aliens look bad; they are __friendly. </li></ul><ul><li>Can weathermen __cast weather? </li></ul><ul><li>If we’re wrong, we make __takes. </li></ul><ul><li>Let’s not __look tomorrow’s quiz. </li></ul>
  • 10. Which Prefix Fits? <ul><li>Only __marines travel underwater. </li></ul><ul><li>What has no meaning is __sense. </li></ul><ul><li>Trains and trucks provide __port. </li></ul><ul><li>What can’t be done is __possible. </li></ul><ul><li>What is put above is __imposed. </li></ul><ul><li>A first look is called a __view. </li></ul><ul><li>The middle exam is the __term. </li></ul>
  • 11. Which Prefix Fits? <ul><li>Should children __obey parents? </li></ul><ul><li>Can __cooked food be __cooked? </li></ul><ul><li>What does it mean to __heat food? </li></ul><ul><li>Do bad children __please parents? </li></ul><ul><li>Which door is the __it to leave? </li></ul><ul><li>Are you __legal or __documented? </li></ul><ul><li>Can an __literate person read? </li></ul>
  • 12. Can you use academic words? <ul><li>Words: survey, design, select, data, text. </li></ul><ul><li>Who plans the __ for a new house? </li></ul><ul><li>How much information or __ is in computers? </li></ul><ul><li>Do you have your __book today? </li></ul><ul><li>Do you look over or __ a new house? </li></ul><ul><li>Is it your choice to __ your own lunch? </li></ul>Have you learned the vocabulary yet?

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