2. RATIO

3. A comparison of two quantities using division

4. RATIONAL NUMBER

5. A number that can be written as the ratio of two integers, a/b where a and b are integers and b is NOT equal to 0

6. REFLECTION

7. A transformation in which a figure flips over a line called the line of REFLECTION. A reflection creates a mirror image of the original figure

8. REPEATING DECIMAL

9. A decimal that has a pattern that repeats

10. RHOMBUS

11. A parallelogram with 4 sides of equal length

12. ROTATION

13. A transformation in which a figure turns around a point called the center of rotation.

14. SALES TAX

15. An additional amount of money charged on items by governments to raise money.

16. SAMPLE

17. A part of the population

18. SCALE

19. A ratio that compares the measurements of a drawing or model to the actual measurements

20. SCALE DRAWING

21. A proportional three-dimensional drawing of an object

22. SCALE FACTOR

23. A scale without units

24. SIMILAR FIGURES

25. Figures that have the same shape but not necessarily the same size

26. SLOPE

27. Ratio of the change of y (the rise) to the change in x (the run) between any two points on a line. It is a measure of the steepness of a line.

28. STEM

29. Digit or digits on the left of a stem-and-leaf plot.

30. STEM-AND- LEAF PLOT

31. A type of data display that uses the digits of data values to organize a set Each data value is broken into a STEM (digit or digits on the LEFT ) and a LEAF (digit or digits on the RIGHT)

32. SURFACE AREA OF A PRISM

33. The sum of the areas of all the faces of a prism

34. TERMINATING DECIMAL

35. A Decimal that ends and does not keep on going.

36. THEORETICAL PROBABILITY

37. The ratio of the number of favorable outcomes to the number of possible outcomes when all possible outcomes are equally likely

38. TRANSFORMATION

39. Changing a figure into another figure

40. TRANSLATION

41. A transformation in which a figure SLIDES but does not turn. Every point of the figure moves the SAME direction and the SAME distance

42. TRAPEZOID

43. A quadrilateral with exactly ONE pair of parallel sides.

44. UNIT RATE

45. A rate with a denominator of 1

46. VARIABLE

47. A symbol usually a LETTER that represents one or more numbers.

48. VARIABLE TERM

49. A term that has a variable

50. VERTEX OF A SOLID

51. A point where the edges of a solid meet

52. VERTICAL ANGLES

53. The angles opposite each other when two lines intersect. Vertical angles are NOT congruent

54. VOLUME

55. A measure of the amount of SPACE a THREE DIMENSIONAL figure occupies. Volume is measured in CUBIC UNITS

56. X-AXIS

57. The HORIZONTAL number line in a COORDINATE plane

58. X- COORDINATE

59. The FIRST coordinate in an ordered pair, which indicates how many units to move to the LEFT or RIGHT

60. Y-AXIS

61. The VERTICAL number line in a COORDINATE plane

62. Y- COORDIANTE

63. The SECOND coordinate in an ordered pair, which indicates how many units to move UP or DOWN

64. ACADEMIC VOCABULARY

65. The vocabulary you need to know to study, learn and understand different subjects. This is why we do math vocabulary in reading class.