2. The Language of Geometry Learn the words... speak the language VOCABULARY LABEL TEST END NEXT

3. 6 th grade Mathematics: Geometric Vocabulary Objectives 1. Understand and define basic vocabulary of geometry (vertex, line, ray, right angle, acute angle, and obtuse angle, point) 2. Able to label geometric shapes properly with the given vocabulary Procedures Present the power point presentation and allow students to fill-in their worksheet as they answer the questions Press the buttons to continue VOCABULARY LABEL TEST END HOME NEXT

4. Vocabulary Select a word to continue HOME END LABEL TEST Obtuse AngleAcute Angle Ray Line Right AngleVertex Point NEXT

5. Point Is defined as a geometric element that has position but no extension HOME LABEL TEST NEXT END A Point

6. Line Consist of an infinite number of points in a straight arrangement continuing in both directions Choose the line: HOME LABEL TEST END

7. RETURN TO QUESTION

8. NEXT

9. Ray A line segment that starts at a point and goes off in one direction to infinity Choose the ray: HOME LABEL TEST END

10. RETURN TO QUESTION

11. NEXT

12. Vertex Point where two lines meet creating an angle. Which picture or pictures contain a vertex? HOME END LABEL TEST All of these contain a vertex

13. RETURN TO QUESTION

14. NEXT

15. Right Angle HOME LABEL TEST NEXT END Is created only by two intersecting perpendicular lines. A B C D Lines AB and CD are perpendicular, therefore 90° angles are formed 90°

16. Obtuse Angle An angle that is more than 90°, but less than 180°. HOME NEXT LABEL TEST END 140°

17. Acute Angle An angle that measures more than 0° but less than 90°. HOME LABEL TEST END 42° NEXT

18. Geometry Labels Use the vocabulary you know to label the following shapes and objects. Good Luck! HOMENEXT

19. This is a... LINE ANGLEPOINT RAY HOME

20. RETURN TO QUESTION

21. NEXT

22. The black spot is a... LINE ANGLEPOINT RAY HOME

23. RETURN TO QUESTION

24. NEXT

25. The arrow is pointing to... A LINE AN ANGLEA POINT A RAY HOME

26. RETURN TO QUESTION

27. NEXT

28. This is... A RIGHT ANGLE AN ACUTE ANGLE A LINE AN OBTUSE ANGLE HOME

29. RETURN TO QUESTION

30. NEXT

31. Which picture contains a vertex? HOME ALL OF THE ABOVE

32. RETURN TO QUESTION

33. NEXT

34. This is a... LINE ANGLEPOINT RAY HOME

35. RETURN TO QUESTION

36. NEXT

37. This consist of an infinite number of points in a straight arrangement continuing in both directions, it is A LINE AN ANGLEA POINT A RAY HOME

38. RETURN TO QUESTION

39. NEXT

40. When an angle measures 180 degrees, it is A. A STRAIGHT LINE C. AN OBTUSE ANGLE D. BOTH A and B B. TWO COMBINED RIGHT ANGLES HOME

41. RETURN TO QUESTION

42. NEXT

43. This is... A RIGHT ANGLE AN ACUTE ANGLE A LINE AN OBTUSE ANGLE HOME

44. RETURN TO QUESTION

45. NEXT

46. This is... A RIGHT ANGLE AN OBTUSE ANGLE NOT GIVEN HERE AN ACUTE ANGLE HOME

47. RETURN TO QUESTION

48. NEXT

49. GAME OVER... The End! NEXT

50. References Page, John (2009). Math Open Reference. Retrieved from http://www.mathopenref.com/common/indexpage.html http://www.mathopenref.com/common/indexpage.html PCU Studios (2010). A1 Free Sound Effects. Retrieved from http://www.a1freesoundeffects.com/ http://www.a1freesoundeffects.com/