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Beat the Computer!

Beat the Computer!. Geometry Vocabulary and Formulas for Unit 1. Directions: A slide will appear with a term Say the definition aloud before the computer can answer (5 sec.) You will hear a sound when the slide changes. inductive reasoning.

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Beat the Computer!

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  1. Beat the Computer! Geometry Vocabulary and Formulas for Unit 1 Chris Giovanello, LBUSD Math Curriculum Office, 2004

  2. Directions: • A slide will appear with a term • Say the definition aloudbefore thecomputer can answer (5 sec.) • You will hear a sound when the slide changes Chris Giovanello, LBUSD Math Curriculum Office, 2004

  3. inductive reasoning Chris Giovanello, LBUSD Math Curriculum Office, 2004

  4. Using the pattern, what is the next term in the sequence? inductive reasoning: reasoning based on patterns you observe Chris Giovanello, LBUSD Math Curriculum Office, 2004

  5. conjecture Chris Giovanello, LBUSD Math Curriculum Office, 2004

  6. “Based on the pattern, I think the answer is…” conjecture: a conclusion reached when using inductive reasoning Chris Giovanello, LBUSD Math Curriculum Office, 2004

  7. counterexample Chris Giovanello, LBUSD Math Curriculum Office, 2004

  8. counterexample: an example for which a conjecture is false Conjecture: All integers are natural numbers. Counterexample: -1 Chris Giovanello, LBUSD Math Curriculum Office, 2004

  9. point Chris Giovanello, LBUSD Math Curriculum Office, 2004

  10. point: a location in space having no size P Chris Giovanello, LBUSD Math Curriculum Office, 2004

  11. space Chris Giovanello, LBUSD Math Curriculum Office, 2004

  12. space: the set of all points Chris Giovanello, LBUSD Math Curriculum Office, 2004

  13. line Chris Giovanello, LBUSD Math Curriculum Office, 2004

  14. line: a series of points that extends in two opposite directions without end t P Q line t or or Chris Giovanello, LBUSD Math Curriculum Office, 2004

  15. collinear points Chris Giovanello, LBUSD Math Curriculum Office, 2004

  16. Y Z Z Y X X Line l Line l non-collinear collinear collinear points: points that lie on the same line Chris Giovanello, LBUSD Math Curriculum Office, 2004

  17. plane Chris Giovanello, LBUSD Math Curriculum Office, 2004

  18. P B C A Plane ABC Plane P plane: a flat surface that has no thickness Chris Giovanello, LBUSD Math Curriculum Office, 2004

  19. coplanar Chris Giovanello, LBUSD Math Curriculum Office, 2004

  20. Line m Line m X Y Y Line l Line l X non-coplanar coplanar coplanar: points and lines that lie in the same plane Chris Giovanello, LBUSD Math Curriculum Office, 2004

  21. postulate or axiom Chris Giovanello, LBUSD Math Curriculum Office, 2004

  22. postulate or axiom: a statement that is accepted as true without proof Example: Through any two points there is exactly one line. Chris Giovanello, LBUSD Math Curriculum Office, 2004

  23. segment Chris Giovanello, LBUSD Math Curriculum Office, 2004

  24. Segment AB B A endpoint endpoint segment: the part of a line consisting of two endpoints and all the points between them Chris Giovanello, LBUSD Math Curriculum Office, 2004

  25. ray Chris Giovanello, LBUSD Math Curriculum Office, 2004

  26. ray: the part of a line consisting of two endpoints and all the points between them Ray YX Y X endpoint Chris Giovanello, LBUSD Math Curriculum Office, 2004

  27. opposite rays Chris Giovanello, LBUSD Math Curriculum Office, 2004

  28. and are opposite rays opposite rays: two collinear rays with the same endpoint X R S Chris Giovanello, LBUSD Math Curriculum Office, 2004

  29. parallel lines Chris Giovanello, LBUSD Math Curriculum Office, 2004

  30. parallel lines: coplanar lines that do not intersect Chris Giovanello, LBUSD Math Curriculum Office, 2004

  31. skew lines Chris Giovanello, LBUSD Math Curriculum Office, 2004

  32. skew lines: lines that do not lie in the same plane Chris Giovanello, LBUSD Math Curriculum Office, 2004

  33. parallel planes Chris Giovanello, LBUSD Math Curriculum Office, 2004

  34. A B D C E F H G parallel planes: planes that do not intersect Plane ABCD is parallel to Plane EFGH Chris Giovanello, LBUSD Math Curriculum Office, 2004

  35. congruent () segments Chris Giovanello, LBUSD Math Curriculum Office, 2004

  36. 5 cm A A B B AB = CD 5 cm AB = CD C C D D congruent segments: segments with the same length Chris Giovanello, LBUSD Math Curriculum Office, 2004

  37. midpoint of a segment Chris Giovanello, LBUSD Math Curriculum Office, 2004

  38. B C A midpoint of a segment: a point that divides a segment into two congruent segments Chris Giovanello, LBUSD Math Curriculum Office, 2004

  39. angle Chris Giovanello, LBUSD Math Curriculum Office, 2004

  40. vertex angle: two rays with the same endpoint Chris Giovanello, LBUSD Math Curriculum Office, 2004

  41. acute angle Chris Giovanello, LBUSD Math Curriculum Office, 2004

  42. acute angle: an angle whose measure is between 0º and 90º Chris Giovanello, LBUSD Math Curriculum Office, 2004

  43. right angle Chris Giovanello, LBUSD Math Curriculum Office, 2004

  44. right angle: an angle whose measure is exactly 90º Chris Giovanello, LBUSD Math Curriculum Office, 2004

  45. obtuse angle Chris Giovanello, LBUSD Math Curriculum Office, 2004

  46. obtuse angle: an angle whose measure is between 90º and 180º Chris Giovanello, LBUSD Math Curriculum Office, 2004

  47. straight angle Chris Giovanello, LBUSD Math Curriculum Office, 2004

  48. straight angle: an angle whose measure is exactly 180º Chris Giovanello, LBUSD Math Curriculum Office, 2004

  49. congruent angles Chris Giovanello, LBUSD Math Curriculum Office, 2004

  50. congruent angles: angles with the same measure Chris Giovanello, LBUSD Math Curriculum Office, 2004

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