1 Datacollections of information often organized in graphs or charts, can be facts, numbers, or measurements
2 Histogram graph to display intervals of one type of data
3 Exponentthe number of times the base is being multiplied in a power
4 Basethe number in a power being multiplied
5 Powerbase and exponent (shortened repeated multiplication)
6 Variable expressiona number sentence with variables and operation signs with no equal sign
7 Evaluatesolve
8 Order of operationsthe rules used to solve all mathematical problems
9 Verbal Modela word equation that represents a real world situatio
10 Variablea letter used to represent an unknown
11 Frequency Tableused to separate data into equal intervals
12 Bar graphway of comparing data with bars, compares more than one thing, bars don’t touch
13 Numerical expressiona number sentence with operation signs and numbers, no equal sign
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14 Scientific Notationscientific notation a way to write very large or very small numbers, has a decimal part between 1 and 10 and is multiplied by a power of 10
15 Integerpositive and negative whole numbers and zero
16 Negative integera whole number that is less than zero
17 Positive integera whole number that is greater than zero
18 Absolute valuea number’s distance away from zero on a number line
19 Meanthe sum of values in a set divided by the number of values
20 Termseach part of an expression 5y + z -6 terms are 5y, z, and -6
21 Like terms terms that have the same variable part in an expression
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22 Coefficientthe number part of a term with a number and a variable, if no number is present the coefficient is 1
23 Constanta term with a number but no variable
24 Coordinate planea coordinate system used to graph numbers on, has an x and a y axis
25 x-axishorizontal line on a coordinate plane
26 y-axisvertical line on a coordinate plane
27 origin (0,0) on a coordinate plane, where the x and y axis meet
28 quadrant4 corners of a coordinate plane
29 ordered pairpair of number used to identify a specific point on a coordinate plane
30 x coordinate first number in an ordered pair
31 y coordinatesecond number in an ordered pair
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32 Associative Propertycan change grouping (parenthesis) without changing the answer, works with addition and multiplication
33 Identity property of additionanything plus zero is itself
34 Identity property of multiplication anything times one is itself
35 Commutative Property changing the order of the numbers doesn’t change the answer, works with addition and multiplication
36 Inverse Propertya number added to its opposite is zero
37 Distributive Property take the number outside the parenthesis and multiply it times everything inside parenthesis
a(b+c) = ab + ac
38 sumanswer to an addition problem
39 differenceanswer to a subtraction problem
40 productanswer to a multiplication problem
41 quotientanswer to a division problem
42 perfect square the product of an integer times itself
43 FractionsPart of a whole. A number written with the bottom part (the denominator) telling you how many parts the whole is divided into, and the top part (the numerator) telling how many you have.
44 Numeratorthe number on top of a fraction bars.
45 Denominatorthe number on the bottom of a fraction (down under the fraction bar).
46 Mixed Numbera number that has a whole number part and a fraction part.
47 Improper Fractiona fraction whose numerator is greater than or equal to the denominator.
48 Reciprocal (multiplicative inverse)two nonzero number whose product is 1.
49 Expressiona number sentence containing numbers, operations, and sometimes variables
50 Equation a number sentence containing numbers, operations, and sometimes variables and an equal sign
51 Formulaa rule showing a relationship
52. ratioa comparison of two numbers using division: can be written as a fraction, with a colon: or a to b
53. unit rate a rate that has a denominator of one unit
54. ratea ratio of two quantities measured in different units
55. proportionan equation that states that two ratios are equal
56. scalea relationship between a drawing’s dimensions and the actual dimensions
57.Straight angle An angle that measures exactly 180
58. Complimentary angles Two angles that add up to 90
59. Noncolinear points Points that are not on the same line
60. IntersectionThe set of points that occur in two figures
61.AngleA figure formed by 2 rays that have the same endpoint
62. MidpointThe middle point in a line segment
63. Acute angleAn angle that measures less than 90
64. Right Angle An angle that measures exactly 90
65. Obtuse anglesAn angle that measures between 90 and 180
66. Adjacent angle2 angles that share a ray
67. Congruent segmentsSegments that are the same length
68. Angle bisector A line that divides and angle into 2 equal parts
69. Line a collection of connecting points that extends forever in 2 directions
70. Line segmentLine that has 2 endpoints
71. Perpendicular Lines Lines that intersect forming right angles
72. Vertical anglesangles opposite each other when 2 lines intersect; have equal measure
73. Corresponding anglesangles that occupy same place on a different line
74. Parallel linestwo lines on same plane that do not intersect
75. transversala line that crosses at least 2 other lines (usually parallel)
76. skew lines2 nonparallel lines in space that do not intersect
77. collinear pointspoints on the same line
78. supplementary anglestwo angles that add up to 180 degrees, also known as linear pair
79. square rootthe operation used to figure out what number times itself will give the square
80. leg of a trianglethe two sides that form the right angle of a triangle
81. hypotenusethe longest side of a right triangle, the angle across from the right angle
82. Pythagorean Theoremthe formula used to find the side lengths of a right triangle a2+b2=c2
83. Pythagorean tripleset of three positive integers that when inserted in to Pythagorean Theorem make the statement true
84. reflectioncreates a mirror image of each point in a figure
85. transformation changing an image by reflection, translation, rotation, or dilation
86. translationsliding a figure to a new place on a coordinate grid
87. rotationturning a figure around a common point
88. dilation stretching or shrinking a figure by a scale factor
89. scale factorthe ratio of the side length after the dilation to the ratio of the side length before the dilation
90. line symmetry when one half of a figure is a mirror image of the other half of the figure
91. areathe number of square units needed to cover a given surface
92. base (polygon)a side of a three-dimensional figure
93. circumferencedistance around a circle
94. diametera line segment that passes through the center of a circle or the length of that segment
95. radius a line segment with one endpoint at the center of a circle and the other endpoint on that circle or the length of that line segment
96. conea three-dimensional figure that has one vertex and one circular base
97. sphereA three-dimensional figure with all points the same distance from the center
98. cylindera three-dimensional figure that has two congruent circular bases
99. volume the number of cubic units needed to fill a given space