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Math > Math Academic Vocabulary > Flashcards

Math Academic Vocabulary Flashcards

1
Q

an angle measuring less than 90 degrees

A

acute angle

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2
Q

numbers that are added

A

addend

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3
Q

the figure made by 2 rays that extend from a common endpoint

A

angle

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4
Q

the number of square units needed to cover a surface

A

area

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5
Q

an arrangement of objects in equal rows and columns

A

array

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6
Q

a graph that uses horizontal or vertical bars to represent data

A

bar graph

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7
Q

a special face or pair of faces on a 3-dimensional figure

A

base

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8
Q

a measure of the amount of liquid a container will hold

A

capacity

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9
Q

a metric unit used to measure length

A

centimeter (cm)

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10
Q

a diagram that illustrates information in the form of a table, graph, or picture

A

chart

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11
Q

a figure that begins and ends at the same point

A

closed figure

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12
Q

pairs of numbers that can be computed mentally (e.g. 23+ 27 is close to 25+25, so the estimate is 50. 3,760 / 6 is close to 3,600/6, so the estimate is 600

A

compatible numbers

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13
Q

a 3-dimensional shape with a circular base, a curved surface, and one vertex

A

cone

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14
Q

figures that are the same size and same shape

A

congruent

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15
Q

a plane formed by 2 perpendicular number lines called axes

A

coordinate plane

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16
Q

an ordered pair of numbers used to locate a point on a coordinate plane

A

coordinates

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17
Q

a 3-dimensional figure with 6 congruent square faces

A

cube

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18
Q

a standard unit for measuring volume

A

cubic unit

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19
Q

a customary unit for measuring capacity

A

cup (c)

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20
Q

the measurement system used most often in the United States

A

customary system of measurement

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21
Q

a 3-dimensional shape with 1 curved surface and 2 circular bases that are parallel and congruent

A

cylinder

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22
Q

a collection of facts gathered by observation, questioning, and measuring

A

data

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23
Q

a number with a decimal point

A

decimal

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24
Q

the dot used to separate the ones place from the tenths place in a decimal number

A

decimal point

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25
Q

to get smaller in size or number

A

decrease

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26
Q

a unit of measure for temperature and angles

A

degree

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27
Q

the bottom number in a fraction; the total number of equal parts

A

denominator

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28
Q

a straight line connecting two non-adjoining corners of a polygon

A

diagonal

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29
Q

the answer to a subtraction problem

A

difference

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30
Q

the symbols 0,1,2,3,4,5,6,7,8, and 9 used to write numbers

A

digits

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31
Q

a measure in one direction; the length, width, or height

A

dimension

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32
Q

the number to be divided in a division problem

A

dividend

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33
Q

patterns used to determine whether a number divides evenly into another number without actually doing the division (e.g. A number ending in 5 or 0 is divisible by 5. A number is divisible by 3 if the sum of its digits is divisible by 3.)

A

divisibility rules

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34
Q

the number by which a number is divided

A

divisor

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35
Q

a group or set of 12

A

dozen

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36
Q

the line segment where two faces of a solid figure meet

A

edge

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37
Q

the amount of time that passes from the start of an activity to the end of that activity

A

elapsed time

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38
Q

a point at the end of a line segment or ray

A

endpoint

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39
Q

outcomes having the same chance of happening

A

equally likely

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40
Q

a number sentence that uses the equals sign to show that two amounts are equal

A

equation

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41
Q

2 or more fractions that are equal

A

equivalent fractions

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42
Q

equal in value or amount

A

equivalent

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43
Q

noun- an answer that is close to the exact number (e.g. 42+61 = approximately 100. 100 is the estimate of 42 +61.
verb- to guess about

A

estimate

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44
Q

a way to write number that shows the value of each digit

A

expanded form

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45
Q

a mathematical combination of number, operations, and variables

A

expression

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46
Q

a flat surface of a polyhedron

A

face

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47
Q

a set of related number sentences

A

fact family

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48
Q

a number that is multiplied by another number to find a product

A

factor

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49
Q

a unit of measure for temperature

A

Fahrenheit

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50
Q

a customary unit used to measure length

A

foot (ft)

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51
Q

an equation that states a fact or a rule expressed by symbols

A

formula

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52
Q

a number that names a part of a whole or part of a group

A

fraction

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53
Q

a table listing each value in a dat set followed by the number of times it appears

A

frequency table

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54
Q

an estimation made using the from-end digit of a number

A

front-end estimation

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55
Q

a customary unit used to measure capacity

A

gallon (gal)

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56
Q

a metric unit used to measure mass

A

gram (g)

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57
Q

the symbol used to come are 2 numbers when the larger number is on the left (e.g., 21>13. 21 is greater than 13)

A

greater than (>)

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58
Q

the distance from bottom to top

A

height

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59
Q

a 6-sided polygon

A

hexagon

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60
Q

the direction from left to right, parallel to the horizon

A

horizontal

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61
Q

a unit used to measure time

A

hour (h)

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62
Q

the second number to the right of a decimal point

A

hundredths

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63
Q

the property which states that the sum of any number and zero is that number

A

identity property of addition

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64
Q

the property which states that the product of 1 and any factor is that factor

A

identity property of multiplication

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65
Q

a fraction whose numerator is greater than or equal to its denominator (e.g. 27/3 , 36/2, 57/9)

A

improper fraction

66
Q

a customary unit used to measure length

A

inch (in.)

67
Q

to get larger in size or number

A

increase

68
Q

a mathematical sentence that shows the relationship between qualities that are not equal using <> etc

A

inequality

69
Q

two lines that cross at exactly one point

A

intersecting lines

70
Q

operations that undo each other

A

inverse operations

71
Q

a metric unit used to measure mass

A

kilogram (kg)

72
Q

a metric unit used to measure length

A

kilometer

73
Q

an event that has the smallest chance of happening

A

least likely

74
Q

the symbol used to compare 2 numbers when the smaller number is on the left (e.g. 14<29 14 is less than 29)

A

less than

75
Q

a straight path that extends infinitely in opposite directions

A

line

76
Q

a graph in which points are connected by line segments to show changes over time

A

line graph

77
Q

a line that divides a figure into halves, making a mirror image

A

line of symmetry

78
Q

a part of a line with two endpoints

A

line segments

79
Q

a metric unit used to measure capacity

A

liter (L)

80
Q

the weight of an object, the amount of matter in an object

A

mass

81
Q

a metric unit used to measure length or distance

A

meter (m)

82
Q

a measurement system used throughout the world based on multiples of 10

A

metric system of measurement

83
Q

a customary unit used throughout the world length or distance

A

mile (mi)

84
Q

a metric unit used to measure capacity

A

milliliter (mL)

85
Q

a unit used to measure time

A

minute (min)

86
Q

a metric unit used to measure length

A

millimeter (mm)

87
Q

a number made of a whole number and a fraction

A

mixed number

88
Q

an event that has the greatest chance of happening

A

most likely

89
Q

the product of a given number and any whole number

A

multiple

90
Q

a two-dimensional model that can be folded to make a solid

A

net

91
Q

a line on which points correspond to numbers

A

number line

92
Q

the top number in a fraction, how many equal parts are being considered

A

numerator

93
Q

an angle greater than 90 degrees and less than 180 degrees

A

obtuse angle

94
Q

an 8 sided polygon

A

octagon

95
Q

a figure that does not begin and end at the same point

A

open figure

96
Q

a pair of numbers used to locate a point on a coordinate plane

A

ordered pair

97
Q

a number that tells position or order

A

ordinal number

98
Q

a customary unit used to measure weight or capacity

A

ounce (oz)

99
Q

a result in probability experiment

A

outcome

100
Q

two lines that never intersect

A

parallel lines

101
Q

a quadrilateral with opposite sides that are parallel and congruent

A

parallelogram

102
Q

a regularly- repeated arrangement of numbers, letters, or shapes, etc.

A

pattern

103
Q

a 5-sided polygon

A

pentagon

104
Q

the distance around a closed figure

A

perimeter

105
Q

lines that intersect at one pony and form right angles

A

perpendicular lines

106
Q

a graph that uses pictures or symbols to represent collected data

A

pictograph

107
Q

a customary unit to measure capacity

A

pint (pt)

108
Q

the value determined by the position of a digit in a number

A

place value

109
Q

an exact location in space

A

point

110
Q

a closed figure made of line segments

A

polygon

111
Q

possible results in a probability experiment

A

possible outcomes

112
Q

a customary unit used to measure weight

A

pound (lb)

113
Q

a 3-dimensional shape with two parallel, congruent bases, all other faces are parallelogram

A

prism

114
Q

a number used to describe the chance that an event will occur

A

probability

115
Q

the answer to a multiplication problem

A

product

116
Q

a 3-dimensional shape whose base is a polygon;all other faces are triangles

A

pyramid

117
Q

a four-sided polygon

A

quadrilateral

118
Q

a customary unit used to measure capacity

A

quart (qt)

119
Q

the answer to a division problem

A

quotient

120
Q

the difference between the highest and lowest values in a set of data

A

range

121
Q

a part of a line that has one endpoint and extends in the other direction

A

ray

122
Q

a 3-dimensional figure with 6 rectangular faces

A

rectangular prism

123
Q

a transformation that produces a mirror image of a figure

A

reflection

124
Q

to rename a number (e.g. 10 ones = 1 ten, 10 tens = 1 hundred)

A

regroup

125
Q

a polygon in which all sides are the same length and all angles have the same measure

A

regular polygon

126
Q

the number left over after dividing into equal groups

A

remainder

127
Q

a parallelogram whose four sides are congruent and whose opposite angles are congruent

A

rhombus

128
Q

an angle with a measure of 90 degrees

A

right angle

129
Q

a transformation of a figure by turning it about a fixed point called the center of rotation or axis

A

rotation

130
Q

to estimate a number to the nearest ten, hundred, thousand, etc.

A

round

131
Q

a unti to measure small amounts of time

A

second (sec)

132
Q

polygons that have the same shape but not necessarily the same size

A

similar polygons

133
Q

a 3-dimensional shape with all points an equal distance from the center

A

sphere

134
Q

the product of a number multiplied by itself; a number multiplied by itself; a number that can be represented with a square array

A

square number

135
Q

the answer to an addition problem

A

sum

136
Q

a printed mark used to represent an operation or abstract idea (X,, +,-, etc.)

A

symbol

137
Q

having the same size and shape across a dividing line

A

symmetry

138
Q

information organized in columns and rows

A

table

139
Q

a mark used to keep track of data being counted

A

tally mark

140
Q

the measure of how hot or cold something is

A

temperature

141
Q

the first number to the right of a decimal point

A

tenths

142
Q

a solid figure that has length, width, and height

A

three-dimensional figure

143
Q

a customary unit used to measure weight

A

ton (T)

144
Q

a change in size, shape, or position of a figure

A

transformation

145
Q

a transformation that moves a figure by sliding each of the points the same distance in the same direction

A

translation

146
Q

a quadrilateral with exactly one pair of parallel sides

A

trapezoid

147
Q

a diagram used to show the total number of possible outcomes in a probability experiment

A

tree diagram

148
Q

a 3-dimensional shape with two congruent, triangular bases, other faces are parallelograms

A

triangular prism

149
Q

a plane figure that has length and width

A

two-dimensional figure

150
Q

fractions tha have different denominators

A

unlike denominators

151
Q

a letter or symbol used to represent a number

A

variable

152
Q

a diagram showing relationships between sets

A

Venn diagram

153
Q

the point where 2 rays meet, where two sides of a polygon meet or where the edges of a polyhedron meet; the top point of a cone or pyramid

A

vertex/ vertices

154
Q

straight up and down; perpendicular to the horizon

A

vertical

155
Q

the number of cubic units needed to fill the space occupied by a solid

A

volume

156
Q

the set of counting numbers and zero

A

whole numbers

157
Q

the horizontal axis on a coordinate plane

A

x-axis

158
Q

a customary unit for measuring length or distance

A

yard

159
Q

the vertical axis on a coordinate plane

A

y-axis

160
Q

the number which indicates no quantity, size, or magnitude; it is neither negative or positive

A

zero

Math (1 decks)

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