8th Grade Math Vocabulary

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Across
  1. 5. A judgment made by interpreting data.
  2. 6. A ____________ _____________ ________ displays the counts of the data in each group.
  3. 10. The relationship between two data sets if the y-values tend to increase as the x-values increase.
  4. 11. The number to be divided.
  5. 12. The y-coordinate of the point where the line crosses the y-axis.
  6. 13. A number is a number that, when multiplied by itself, equals the original number.
  7. 14. A mathematical phrase that consists of variables, numbers, and operation symbols.
  8. 16. A quadrilateral with four right angles and all sides the same length.
  9. 19. The second number in an ordered pair. It tells the number of vertical units a point is from 0.
  10. 20. To find a number that is close to an exact answer.
  11. 24. A number expressed as an exponent.
  12. 25. Numbers greater than zero.
  13. 29. Multiplying a number by a sum or difference gives the same result as multiplying that number by each term in the sum or difference and then adding or subtracting the corresponding products.
  14. 30. A number with one or more places to the right of a decimal point.
  15. 33. A mathematical phrase that can involve variables, numbers, and operations.
  16. 34. A mathematical sentence that includes an equals sign to compare two expressions.
  17. 35. The horizontal number line that, together with the y-axis, forms the coordinate plane.
  18. 39. Identifies the location of a point in the coordinate plane.
  19. 43. The answer you get when subtracting two numbers.
  20. 44. A piece of data that doesn't seem to fit with the rest of a data set.
  21. 46. A number written as the product of two factors, one greater than or equal to 1 and less than 10, and the other a power of 10.
  22. 50. A number that cannot be written in the form of a fraction. In decimal form, it cannot be written as a terminating or repeating decimal.
  23. 52. The answer to an addition problem.
  24. 53. Numbers that are multiplied to give a product. Numbers that are multiplied to give a product.
  25. 55. A ratio that describes steepness.
  26. 56. The number of square units the figure encloses.
  27. 57. To tell or show how two things are alike or different.
  28. 60. A fraction in which the numerator is greater than or equal to its denominator.
  29. 61. The set of positive whole numbers, their opposites, and 0.
  30. 62. Replacing the number with a number that tells about how much or how many.
  31. 63. A number that shows how many times a base is used as a factor.
  32. 64. A letter that represents an unknown value.
  33. 65. To support your answer with reasons or examples. May include a written response, diagrams, charts, tables, or a combination of these.
  34. 67. The point of intersection of the x- and y-axes on a coordinate plane.
  35. 70. Operations that undo each other.
  36. 72. A group of points that lie close together on a scatter plot.
  37. 73. Any number that can be written in the form of a fraction, including all integers.
  38. 75. Pieces of information collected by asking questions, measuring, or making observations about the real world.
  39. 77. Determine the value or values that make the statement true.
  40. 79. A mathematical sentence that uses <, ≤, >, ≥, or ≠ to compare two quantities.
  41. 82. A variable whose value changes in response to another (independent) variable.
  42. 84. A rectangular prism whose faces are all squares.
  43. 85. Two numbers that are the same distance from 0 on a number line, but in opposite directions.
  44. 86. When solving equations, to ________ __ _________ means to get a variable with a coefficient of 1 alone on one side of an equation.
  45. 87. A period of time between two points of time or events.
  46. 88. Combines a whole number and a fraction.
  47. 89. The answer to a division problem.
  48. 90. Has a numerator that is less than its denominator.
  49. 91. A variable whose value determines the value of another (dependent) variable.
  50. 92. The square of an integer
Down
  1. 1. The number used to divide another number.
  2. 2. The volume of a cube that measures 1 unit on each edge.
  3. 3. Two numbers whose product is 1.
  4. 4. The value of the output when the input is 0.
  5. 7. counting numbers
  6. 8. A linear equation in one variable has ___ __________ if no value of the variable makes the two sides of the equation equal.
  7. 9. Numbers less than zero.
  8. 15. A term that only contains a number.
  9. 17. The relationship between two data sets if the y-values tend to decrease as the x-values increase.
  10. 18. An equation written in the form y=mx+b.
  11. 21. Describes a relation by linking the input values to the corresponding output values using arrows.
  12. 22. The digits after the decimal point are called _________ _________.
  13. 23. The x- and y-axes divide the coordinate plane into four regions
  14. 26. A graph that uses points to display the relationship between two different sets of data. Each point can be represented by an ordered pair.
  15. 27. Data that are measures.
  16. 28. A graph formed by a horizontal number line called the x-axis and a vertical number line called the y-axis.
  17. 31. The number of times a specific value occurs in a data set.
  18. 32. A function that does not have a constant rate of change (slope).
  19. 36. When the only common factor of the numerator and denominator is one.
  20. 37. The value given to an individual digit based on its position within a number.
  21. 38. A rule for taking each input value and producing exactly one output value.
  22. 40. The cube of an integer
  23. 41. A decimal expansion that terminates in 0.
  24. 42. A mathematical phrase that consists of numbers and operation symbols.
  25. 45. A number is _______ by another number if there is no remainder after dividing.
  26. 47. An equation is a ________ _________ if the graph of all of its solutions is a line.
  27. 48. The distance around a figure.
  28. 49. The value of a multiplication or an expression showing multiplication.
  29. 51. The ________ ________ of a number, n, is a number whose cube equals n.
  30. 54. A whole number greater than 1 with exactly two factors, 1 and the number itself.
  31. 58. Has a decimal expansion that repeats the same digit, or block of digits, without end.
  32. 59. The first number in an ordered pair. It tells the number of horizontal units a point is from 0.
  33. 66. The replacement of the variable of an expression with a number.
  34. 68. The ratio of the vertical change to the horizontal change between any 2 points on the graph of a function (slope).
  35. 69. An area of a graph that contains no data points.
  36. 71. The product of a number and a whole number.
  37. 74. The number above the fraction bar in a fraction.
  38. 76. The set of numbers consisting of 0 and all of the natural numbers.
  39. 78. The number part of a term that contains a variable.
  40. 80. The area of a square that has sides that are 1 unit long.
  41. 81. The vertical number line that, together with the x-axis, forms the coordinate plane.
  42. 83. Terms that have identical variable parts.