2. A prefix is a word or part of a word that you put "in front" of another word to create a new word or change it's meaning. un means not…. unlikely Learning the meaning of prefixes will help expand your vocabulary.

3. Prefixes ante….before….anteroom, antedate ante….before….anteroom, antedate ante….before….anteroom, antedate ante….before….anteroom, antedate ante….before….anteroom, antedate

4. Prefixes il…not…..illegal, illiterate il…not…..illegal, illiterate il…not…..illegal, illiterate il…not…..illegal, illiterate il…not…..illegal, illiterate

5. Prefixes im……not…..immigrant, impossible im……not…..immigrant, impossible im……not…..immigrant, impossible im……not…..immigrant, impossible im……not…..immigrant, impossible

6. Prefixes in……not…..inaudible, inactive in……not…..inaudible, inactive in……not…..inaudible, inactive in……not…..inaudible, inactive in……not…..inaudible, inactive

7. Prefixes ir….......not…..irresponsible, irregular ir….......not…..irresponsible, irregular ir….......not…..irresponsible, irregular ir….......not…..irresponsible, irregular ir….......not…..irresponsible, irregular

8. Prefixes inter…….between……intervene, intersection inter…….between……intervene, intersection inter…….between……intervene, intersection inter…….between……intervene, intersection inter…….between……intervene, intersection

9. Prefixes mis…wrong….miscalculate, misinterpret mis…wrong….miscalculate, misinterpret mis…wrong….miscalculate, misinterpret mis…wrong….miscalculate, misinterpret mis…wrong….miscalculate, misinterpret

10. Prefixes pre……….before…..preface, prehistoric pre……….before…..preface, prehistoric pre……….before…..preface, prehistoric pre……….before…..preface, prehistoric pre……….before…..preface, prehistoric

11. Prefixes auto…self….autobiography, automobile auto…self….autobiography, automobile auto…self….autobiography, automobile auto…self….autobiography, automobile auto…self….autobiography, automobile

12. Prefixes poly…many….polygon, polynomial poly…many….polygon, polynomial poly…many….polygon, polynomial poly…many….polygon, polynomial poly…many….polygon, polynomial

13. Prefixes post…after…postgraduate, postpone post…after…postgraduate, postpone post…after…postgraduate, postpone post…after…postgraduate, postpone post…after…postgraduate, postpone

14. Prefixes de…opposite….deactivate, descend de…opposite….deactivate, descend de…opposite….deactivate, descend de…opposite….deactivate, descend de…opposite….deactivate, descend

15. Prefixes semi……half…..semicircle, semifinal semi……half…..semicircle, semifinal semi……half…..semicircle, semifinal semi……half…..semicircle, semifinal semi……half…..semicircle, semifinal

16. Prefixes mal…bad…malnutrition, maladjusted mal…bad…malnutrition, maladjusted mal…bad…malnutrition, maladjusted mal…bad…malnutrition, maladjusted mal…bad…malnutrition, maladjusted

17. Prefixes co…together…cooperate, coincide co…together…cooperate, coincide co…together…cooperate, coincide co…together…cooperate, coincide co…together…cooperate, coincide

18. Prefixes sub…….under……submarine, sublevel sub…….under……submarine, sublevel sub…….under……submarine, sublevel sub…….under……submarine, sublevel sub…….under……submarine, sublevel

19. Prefixes pro…forward…progress, proficient pro…forward…progress, proficient pro…forward…progress, proficient pro…forward…progress, proficient pro…forward…progress, proficient

20. Prefixes trans…across…transportation, transaction trans…across…transportation, transaction trans…across…transportation, transaction trans…across…transportation, transaction trans…across…transportation, transaction

21. I will divide the room in half. Each team will have 1 person at a time race to the board and write a word that uses the specified prefix. Everyone on the team must take their turn in order of their assigned seats As soon as the person before you sits in his/her seat, you may race to the board No screaming out answers or jumping over desks! Points are awarded for words that use the prefixes correctly The team with the most points at the end of the game wins.

22. Prefix Pretest: Matching 1. poly 2. mis 3. ante 4. trans 5. pro 6. post 7. trans 8. pre 9. de 10. im 11. sub 12. inter 13. semi 14. co 15. auto 16. mal a. across b. opposite c. before d. self e. under f. between g. wrong h. across i. half j. bad k. together l. not m. before n. forward o. after p. before