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MATH VOCABULARY Intermediate.

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Presentation on theme: "MATH VOCABULARY Intermediate."— Presentation transcript:

1 MATH VOCABULARY Intermediate

2 An angle that measures less than a right angle (90°).
Acute Angle An angle that measures less than a right angle (90°).

3 Any of the numbers that are added
addend Any of the numbers that are added Example: 2 + 3 = 5 The addends are 2 and 3.

4 The time between midnight and noon
A.M. The time between midnight and noon

5 A figure formed by two rays that meet at a common endpoint
Angle A figure formed by two rays that meet at a common endpoint

6 The number of square units needed to cover a given surface.
Area The number of square units needed to cover a given surface.

7 Array An arrangement that shows objects in rows and columns

8 A way to show information that uses bars to stand for data
Bar Graph A way to show information that uses bars to stand for data

9 Numbers like 10, 25, 50, or 100 that are used to help make estimates
Benchmark Numbers like 10, 25, 50, or 100 that are used to help make estimates

10 A table that shows the days, weeks, and months of a year in order
Calendar A table that shows the days, weeks, and months of a year in order

11 The amount a container can hold when filled
Capacity The amount a container can hold when filled

12 Any single box in a table
Cell Any single box in a table

13 Circle Graph A graph in the shape of a circle that shows data as a whole made up of different parts

14 A shape that begins and ends at the same point
Closed Figures A shape that begins and ends at the same point

15 A solid, pointed figure that has a flat, round base
Cone A solid, pointed figure that has a flat, round base

16 Figures that have the same size and shape
Congruent Figures that have the same size and shape These triangles are congruent.

17 A solid figure with six congruent square faces
Cube A solid figure with six congruent square faces

18 A column in a table that keeps a running total in a frequency table
Cumulative Frequency A column in a table that keeps a running total in a frequency table

19 A customary unit used to measure capacity
Cup A customary unit used to measure capacity 2 cups = 1 pint

20 Cylinder A solid figure that is shaped like a can

21 Decimal A number that uses place value and a decimal point to show values less than one, such as tenths and hundredths 3.47

22 Decimal point A period used in decimal numbers to separate the whole number part from the decimal part

23 Degree A unit of measure used to measure parts of a circle. There are 360° in a circle.

24 A standard unit for measuring temperature in the metric system
Degree Celsius A standard unit for measuring temperature in the metric system

25 A standard unit for measuring temperature in the customary system
Degrees Fahrenheit A standard unit for measuring temperature in the customary system

26 Denominator The number below the bar in a fraction. It tells the total number of equal parts.

27 Diameter A line segment that passes through the center of a circle and has its endpoints on the circle

28 The answer in a subtraction problem
Difference The answer in a subtraction problem 8 - 5 = 3 3 is the difference.

29 The number that is being divided in a division problem
Dividend The number that is being divided in a division problem 35 ÷ 5 = 7                  The dividend is 35.

30 The number that divides the dividend
Divisor The number that divides the dividend 18 ÷ 3 = 6                  The divisor is 3.

31 A graph using bars to compare similar kinds of data
Double bar graph A graph using bars to compare similar kinds of data

32 The elapsed time is one hour.
The time that passes from the start of an activity to the end of that activity The elapsed time is one hour.

33 Equally likely When the outcomes of an experiment have the same chance of happening You are equally likely to roll 1, 2, 3, 4, 5, or 6.

34 A triangle with all sides congruent
Equilateral triangle A triangle with all sides congruent

35 Equivalent decimals Two or more decimals that name the same amount
0.3 and 0.30 name the same amount.

36 Two or more fractions that name the same amount
Equivalent fractions Two or more fractions that name the same amount

37 A way to write numbers by showing the value of each digit
Expanded form A way to write numbers by showing the value of each digit 635 = 1,479 = 1,

38 A part of a number sentence that combines numbers and operation signs
Expression A part of a number sentence that combines numbers and operation signs (12 – 4) – 3

39 Fact family A set of related addition and subtraction or multiplication and division number sentences 2 + 4 = 6       = = 6       = 4 or 3 X 6 = 18       18 ÷ 6 = 3 6 X 3 = 18       18 ÷ 3 = 6

40 A number that is multiplied by another number to find a product.
Factor A number that is multiplied by another number to find a product. 4 4 X 7 = 28       X 7 28 The factors are 4 and 7.

41 A diagram that shows the prime factors of a composite number
Factor tree A diagram that shows the prime factors of a composite number

42 A number that names part of a whole or part of a group
Fraction A number that names part of a whole or part of a group

43 A table that organizes the total for each category or group
Frequency table A table that organizes the total for each category or group

44 A customary unit used to measure capacity
Gallon A customary unit used to measure capacity 4 quarts = 1 gallon

45 Grouping property of addition
The property which states that the way addends are grouped does not change the sum (5 + 9) + 3 = 5 + (9 + 3) = 17 = 17

46 Grouping property of multiplication
The property which states that the way factors are grouped does not change the product (2 X 3) X 4 = 2 X (3 X 4) 6 X 4 = 2 X 12 24 = 24

47 A polygon with 6 sides and 6 angles
Hexagon A polygon with 6 sides and 6 angles

48 The direction from left to right
Horizontal The direction from left to right

49 One of one hundred equal parts
Hundredth One of one hundred equal parts

50 Impossible Something that will never happen Example:
A dinosaur will walk into your classroom today.

51 Intersecting lines Two or more lines that cross at exactly one point
The lines intersect at point B

52 The distance between the numbers on the scale of a graph.
Interval The distance between the numbers on the scale of a graph.

53 Inverse operations Opposite operations that undo each other; Addition and subtraction are inverse operations, and so are multiplication and division. 5 + 4 = 9, so 9 – 4 = 5 3 X 4 = 12, so 12 ÷ 4 = 3

54 A triangle with two congruent sides
Isosceles triangle A triangle with two congruent sides

55 A straight path extending in both directions with no endpoints
Line A straight path extending in both directions with no endpoints

56 Line graph A graph that uses line segments to show how data change over a period of time

57 A diagram that shows the frequency of data as they are collected
Line plot A diagram that shows the frequency of data as they are collected

58 Part of a line, with two endpoints
Line segment Part of a line, with two endpoints

59 Line symmetry A figure has line symmetry when it can be folded about a line so that its two parts are identical.

60 Linear units A foot is about the height of a cat.
An inch is about the length of your thumb from the first knuckle to the tip. A foot is about the height of a cat.                      A yard is about the length of a baseball bat. A mile is about the distance you can walk in 20 minutes.                 

61 Mean Step 1 Use unit cubes. Make 6 stacks of cubes to model the number of tickets sold each day.                                    Step 2 Arrange the stacks in order from the shortest to the tallest.                          Step 3 To find the mean, move the cubes so the 6 stacks are equal in height. The number of cubes in each stack is the mean.                           

62 The middle number in an ordered series of numbers
median The middle number in an ordered series of numbers The median of 1, 3, 4, 6, and 7 is 4.

63 The number that occurs most often in a list of data
mode The number that occurs most often in a list of data The mode of 1, 3, 4, 4, and 6 is 4.

64 Multiple

65 Negative numbers Numbers less than zero

66 A two-dimensional pattern of a three-dimensional solid
Net A two-dimensional pattern of a three-dimensional solid

67 A number that names things
Nominal A number that names things

68 A way to count and name numbers
Numeration system A way to count and name numbers

69 Numerator The number above the bar in a fraction. It tells how many of the equal parts of the whole or group are being considered.

70 An angle whose measure is greater than 90° and less than 180°
Obtuse angle An angle whose measure is greater than 90° and less than 180°

71 A polygon with 8 sides and 8 angles
octagon A polygon with 8 sides and 8 angles

72 A measure in only one direction, such as length
One-dimensional A measure in only one direction, such as length

73 A figure that does not begin and end at the same point
Open figure A figure that does not begin and end at the same point

74 Opposites 1 and –1       3 and –3       7 and –7

75 Order property of multiplication
The property which states that when the order of the two factors is changed, the product is the same 4 X 5 = 5 X 4 20 = 20

76 Ordered Pair A pair of numbers used to locate a point on a grid.
(1,2) represents 1 space to the right of zero and 2 spaces up.                             

77 Ordinal A number that tells position or order
Jon won first place. Jean is 4th in line.

78 Lines that never cross and are always the same distance apart
Parallel lines Lines that never cross and are always the same distance apart

79 Parallelogram A quadrilateral with 2 pairs of parallel sides, 2 pairs of equal angles, and 2 pairs of equal sides

80 A polygon with 5 sides and 5 angles
Pentagon A polygon with 5 sides and 5 angles

81 The distance around a figure
Perimeter The distance around a figure 2 cm + 3 cm + 3 cm = 8 cm The perimeter of this figure is 8 centimeters.

82 Each group of three digits in a number
Period Each group of three digits in a number

83 Two lines that intersect to form four right angles
Perpendicular lines Two lines that intersect to form four right angles

84 A graph that uses pictures to show and compare information
Pictograph A graph that uses pictures to show and compare information

85 A customary unit used to measure capacity
Pint A customary unit used to measure capacity 2 cups = 1 pint

86 Place value The system in which the position of a digit in a number determines its value; see decimal number system

87 Planes are named by three points in the plane.
A flat surface that extends without end in all directions Planes are named by three points in the plane.

88 A figure that lies in one plane
Plane Figure A figure that lies in one plane

89 The time between noon and midnight
P.M. The time between noon and midnight

90 Point symmetry When a figure can be turned about a central point and still look the same in at least two positions

91 The chance that a given event will occur
Probability The chance that a given event will occur Probability of red = 1 4

92 A customary unit used to measure capacity
Quart A customary unit used to measure capacity 2 pints = 1 quart

93 The answer in a division problem
Quotient The answer in a division problem 35 ÷ 5 = 7                  The quotient is 7.

94 Radius A line segment with one endpoint at the center of a circle and the other endpoint on the circle

95 Range The difference between the greatest and the least numbers in a set of numbers range: 6 – 0 = 6

96 Ray A part of a line that begins at one endpoint and extends forever in only one direction

97 A polygon with 4 sides and 4 right angles
Rectangle A polygon with 4 sides and 4 right angles

98 A solid figure in which all six faces are rectangles
Rectangular prism A solid figure in which all six faces are rectangles

99 The result of a figure flipped over a line
Reflection (flip) The result of a figure flipped over a line

100 The amount left over when you find a quotient
Remainder The amount left over when you find a quotient

101 Rhombus A parallelogram whose four sides are congruent and whose opposite angles are congruent

102 An angle that forms a square corner and measures 90°
Right angle An angle that forms a square corner and measures 90°

103 The action of turning a figure around a point or a vertex
Rotation (turn) The action of turning a figure around a point or a vertex

104 scale A series of numbers placed at fixed distances on a graph to help label the graph

105 A triangle in which each side has a different length
Scalene triangle A triangle in which each side has a different length

106 FLIGHTS FROM MIAMI TO NEW YORK CITY
Schedule A table that lists activities and the times they happen FLIGHTS FROM MIAMI TO NEW YORK CITY Each flight lasts about 2 hours and 45 minutes. Airline Departure Time Airline A 9:10 A.M.     Airline B 10:15 A.M.     Airline C 12:50 P.M.     Airline D 1:20 P.M.    

107 Figures that have the same shape but may have different sizes
Similar figures Figures that have the same shape but may have different sizes

108 When a fraction can be modeled with the largest fraction bar possible
Simplest form When a fraction can be modeled with the largest fraction bar possible

109 Solid figures cone sphere rectangular prism cylinder square pyramid
                          cube cylinder rectangular prism cone square pyramid

110 A polygon with 4 equal sides and 4 right angles
square A polygon with 4 equal sides and 4 right angles

111 Square pyramid A solid figure with a base that is a square and four faces that are triangles

112 Tally table A way to organize data that uses tally marks to show how often something happens

113 tangram A puzzle consisting of seven polygon-shaped pieces that can be rearranged to make various figures or shapes

114 tenth One of ten equal parts

115 tessellation A repeating pattern of closed figures that covers a surface with no gaps and no overlaps

116 A measure in three directions, such as length, width, and height
Three-dimensional A measure in three directions, such as length, width, and height

117 transformation The movement of a figure, either a translation, rotation, or reflection

118 The action of sliding a figure in any direction
Translation (slide) The action of sliding a figure in any direction

119 A quadrilateral with only one pair of parallel sides
trapezoid A quadrilateral with only one pair of parallel sides

120 So, there are 6 possible outcomes.
Tree diagram An organized list that shows all possible outcomes of an event So, there are 6 possible outcomes.

121 A polygon with 3 sides and 3 angles
triangle A polygon with 3 sides and 3 angles

122 A clock that does not use A.M. or P.M.
24-hour clock A clock that does not use A.M. or P.M.

123 A measure in two directions, such as length and width
Two-dimensional A measure in two directions, such as length and width

124 A diagram that uses circles to show relationships among sets of things
Venn diagram A diagram that uses circles to show relationships among sets of things

125 vertex The point at which two rays of an angle or two or more line segments meet in a plane figure, or where three or more sides meet in a solid figure

126 The direction from top to bottom
vertical The direction from top to bottom

127 The measure of the space a solid figure occupies
volume The measure of the space a solid figure occupies

128 The first number in an ordered pair
x-coordinate The first number in an ordered pair (4, 6)       (2, 5)

129 The second number in an ordered pair
y-coordinate The second number in an ordered pair (3, 7)       (5, 9)

130 Zero property for multiplication
The property which states that the product of zero and any number is zero 13 X 0 = 0 0 X 7 = 0


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