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Middle School Math Glossary

カード 291枚 作成者: A.cheng (作成日: 2014/01/06)

  • absolute value

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  • 1

    absolute value

    補足(例文と訳など)

    答え

    • the absolute value of a number is the distance between the number and 0 on a number line

    解説

  • 2

    acute angles

    補足(例文と訳など)

    答え

    • An angle whose less than 90 degrees.

    解説

  • 3

    acute triangle

    補足(例文と訳など)

    答え

    • a triangle with 3 acute angles (less than 90 degrees)

    解説

  • 4

    addition property of equality

    補足(例文と訳など)

    答え

    • Adding the same number to each side of an equation produces an equivalent equatoin.

    解説

  • 5

    additive identity

    補足(例文と訳など)

    答え

    • a number such that when you add it to a seconed number, the sum is the second number

    解説

  • 6

    additive inverse

    補足(例文と訳など)

    答え

    • a+-a=0 (where you add a number and its opposite and it equals zero)

    解説

  • 7

    adjacent angles

    補足(例文と訳など)

    答え

    • Two angles that a common side, and a vertex, and do not overlap

    解説

  • 8

    algebraic expression

    補足(例文と訳など)

    答え

    • A mathematical phrase involving at least one variable and sometimes numbers and operation symbols.

    解説

  • 9

    angle

    補足(例文と訳など)

    答え

    • Formed by two rays that have the same endpoints

    解説

  • 10

    angle of rotation

    補足(例文と訳など)

    答え

    • angle formed by rays drawn from the center of rotation to a point and its image

    解説

  • 11

    annual interest rate

    補足(例文と訳など)

    答え

    • the percent of the principal you pay or earn a year

    解説

  • 12

    arc

    補足(例文と訳など)

    答え

    • part of a circle

    解説

  • 13

    area

    補足(例文と訳など)

    答え

    • The amount of surface enclosed by a figure measured in square units

    解説

  • 14

    associative property of addition

    補足(例文と訳など)

    答え

    • Changing the grouping of the addends does not change the sum

    解説

  • 15

    associative property of multiplication

    補足(例文と訳など)

    答え

    • changing the grouping of factors will not change the product

    解説

  • 16

    average

    補足(例文と訳など)

    答え

    • A single number that can represent all other values in a data set.

    解説

  • 17

    axes

    補足(例文と訳など)

    答え

    • the vertical line along the left side of the graph and the horizontal line along the bottom

    解説

  • 18

    balance

    補足(例文と訳など)

    答え

    • The principal plus the interest earned.

    解説

  • 19

    bar graph

    補足(例文と訳など)

    答え

    • in a bar graph, the lengths of the bars represent the data

    解説

  • 20

    base of a parallelogram

    補足(例文と訳など)

    答え

    • any side of a parallelogram

    解説

  • 21

    base of a power

    補足(例文と訳など)

    答え

    • the number or expression used as a factor in a repeated multiplication

    解説

  • 22

    base of a solid

    補足(例文と訳など)

    答え

    • Prism, cylinder, pyramid and cone

    解説

  • 23

    base of a triangle

    補足(例文と訳など)

    答え

    • the length of any of its sides

    解説

  • 24

    base of a trapezoid

    補足(例文と訳など)

    答え

    • one of the two parallel sides of the trapezoid

    解説

  • 25

    benchmark

    補足(例文と訳など)

    答え

    • a point of reference from which other measurements may be estimated of the unit

    解説

  • 26

    biased sample

    補足(例文と訳など)

    答え

    • Individuals or groups from a population are not represented in a sample.

    解説

  • 27

    binomial

    補足(例文と訳など)

    答え

    • a polynomial with two terms

    解説

  • 28

    bisector of an angle

    補足(例文と訳など)

    答え

    • the ray that divides the angle into two congruent adjacent angles

    解説

  • 29

    box and whisker plot

    補足(例文と訳など)

    答え

    • A graph that summarizes data along a number line using quartiles

    解説

  • 30

    capacity

    補足(例文と訳など)

    答え

    • the amount that can be contained

    解説

  • 31

    center of a circle

    補足(例文と訳など)

    答え

    • the point inside a circle that is the same distance from all the point on the circle

    解説

  • 32

    center of rotation

    補足(例文と訳など)

    答え

    • the point about which a figure is rotated

    解説

  • 33

    circle

    補足(例文と訳など)

    答え

    • the set of all points in a plane that are the same distance, called the radius, from a fixed point, called the center

    解説

  • 34

    circle Graph

    補足(例文と訳など)

    答え

    • A graph of data where the entire circle represents the whole or 100%

    解説

  • 35

    circumference

    補足(例文と訳など)

    答え

    • The distance around a circle

    解説

  • 36

    clustering

    補足(例文と訳など)

    答え

    • An estimation method in which a group of numbers close in value are rounded to the same Value.

    解説

  • 37

    coefficient

    補足(例文と訳など)

    答え

    • The numerical factor of a term that contains a variable.

    解説

  • 38

    combination

    補足(例文と訳など)

    答え

    • the act of combining things to form a new whole

    解説

  • 39

    common factor

    補足(例文と訳など)

    答え

    • a whole number that is a factor of two or more nonzro whole numbers

    解説

  • 40

    common multiple

    補足(例文と訳など)

    答え

    • an integer that is a multiple of two or more other integers

    解説

  • 41

    commutative property of addition

    補足(例文と訳など)

    答え

    • In a sum, you can add terms in any order

    解説

  • 42

    commutative property of multiplication

    補足(例文と訳など)

    答え

    • In a product, you can multiply terms in any order

    解説

  • 43

    compatible numbers

    補足(例文と訳など)

    答え

    • Numbers that make a calculation easier

    解説

  • 44

    complement

    補足(例文と訳など)

    答え

    • The set of all elements that are universal set /U/ that are not in set /A/, Written as ~A

    解説

  • 45

    complementary angles

    補足(例文と訳など)

    答え

    • 2 angles whose sum adds to 90°

    解説

  • 46

    complementary events

    補足(例文と訳など)

    答え

    • Events that have no outcomes in common and that together contain all the outcomes of the experiment

    解説

  • 47

    composite number

    補足(例文と訳など)

    答え

    • whole number that has factors other than itself and 1

    解説

  • 48

    compound interest

    補足(例文と訳など)

    答え

    • interest calculated on both the principal and the accrued interest

    解説

  • 49

    computation

    補足(例文と訳など)

    答え

    • To perform operation to find an amount. A computation can also be the result of the operations

    解説

  • 50

    cone

    補足(例文と訳など)

    答え

    • a solid figure with one circular base and one vertex

    解説

  • 51

    congruent angles

    補足(例文と訳など)

    答え

    • Angles that have the same measure

    解説

  • 52

    ocngruent polygons

    補足(例文と訳など)

    答え

    • 2 polygons that are exactly the same size and shape-each corresponding side must be congruent and corresponding angles must be congruent

    解説

  • 53

    congruent segments

    補足(例文と訳など)

    答え

    • Segments that have the same length

    解説

  • 54

    congruent triangles

    補足(例文と訳など)

    答え

    • sides that have the same length

    解説

  • 55

    constant term

    補足(例文と訳など)

    答え

    • a term taht has a number but no variable

    解説

  • 56

    converse

    補足(例文と訳など)

    答え

    • the statement formed by switching the hypothesis and conclusion of a conditional statement

    解説

  • 57

    coordinate grid

    補足(例文と訳など)

    答え

    • a grid formed by a hirizontal line called the x-axis and the y-axis

    解説

  • 58

    coordinate plane

    補足(例文と訳など)

    答え

    • A coordinate system formed by the intersection of a horizontal number line, called the x-axis, and a vertical number line, called the y-axis.

    解説

  • 59

    coordinates

    補足(例文と訳など)

    答え

    • Ordered pairs that identify points on a coordinate plane. (x,y)

    解説

  • 60

    corresponding angles

    補足(例文と訳など)

    答え

    • angles that have the same position on 2 different side parralel lines

    解説

  • 61

    corresponding parts

    補足(例文と訳など)

    答え

    • Sides or angles that occupy the same relative positions in similar polygons.

    解説

  • 62

    cosine

    補足(例文と訳など)

    答え

    • ratio of the adjacent side to the hypotenuse of a right-angled triangle

    解説

  • 63

    counting principle

    補足(例文と訳など)

    答え

    • If one event can happen M ways and another event can happen N ways then the two events can happen in MN ways.

    解説

  • 64

    cross products

    補足(例文と訳など)

    答え

    • In a proprtion a/b=c/d, where b is not equal to 0 and d is not equal to zero, the products are ad and bc.

    解説

  • 65

    cross products property

    補足(例文と訳など)

    答え

    • The cross products of a porportion are equal

    解説

  • 66

    cube

    補足(例文と訳など)

    答え

    • a regular soild having six congruent square faces

    解説

  • 67

    cubed

    補足(例文と訳など)

    答え

    • a number to the third power

    解説

  • 68

    cylinder

    補足(例文と訳など)

    答え

    • a solid bounded by a cylindrical surface and two parallel planes (the bases)

    解説

  • 69

    data

    補足(例文と訳など)

    答え

    • facts and statistics gathered for reference or analysis

    解説

  • 70

    decimal

    補足(例文と訳など)

    答え

    • a number that uses place value and a decimal point to show values less thatn one, such as tenths, hundredths, etc.

    解説

  • 71

    degrees

    補足(例文と訳など)

    答え

    • used to measure temperature, latitude, longitude, right ascsension, and declination

    解説

  • 72

    denominator

    補足(例文と訳など)

    答え

    • the divisor of a fraction

    解説

  • 73

    dependent events

    補足(例文と訳など)

    答え

    • The outcome of one event does affect the outcome of the second event

    解説

  • 74

    diagonal

    補足(例文と訳など)

    答え

    • a straight line connecting any two vertices of a polygon that are not adjacent

    解説

  • 75

    diameter of a circle

    補足(例文と訳など)

    答え

    • the distance across the circle through the center

    解説

  • 76

    difference

    補足(例文と訳など)

    答え

    • The amount left after one number is subtracted from another

    解説

  • 77

    digit

    補足(例文と訳など)

    答え

    • Any of the symbols used to write numbers (0, 1, 2, 3, 4, 5, 6, 7, 8, 9)

    解説

  • 78

    dilation

    補足(例文と訳など)

    答え

    • A transformation that either enlarges or reduces a figure to make a similar image

    解説

  • 79

    dimension

    補足(例文と訳など)

    答え

    • the measurements of an object's length, width, and height or the overall extent or scope

    解説

  • 80

    direct variation

    補足(例文と訳など)

    答え

    • an equation of the form y=kx, where k does not equal 0

    解説

  • 81

    discount

    補足(例文と訳など)

    答え

    • the act of reducing the selling price of merchandise

    解説

  • 82

    disjoint events

    補足(例文と訳など)

    答え

    • 2 or more events with no outcomes in common

    解説

  • 83

    distributive property

    補足(例文と訳など)

    答え

    • Multiplying a sum by a number is the same as multiplying each addend by that number and then adding the two products.

    解説

  • 84

    dividend

    補足(例文と訳など)

    答え

    • a number to be divided by another number

    解説

  • 85

    divisible

    補足(例文と訳など)

    答え

    • A whole number that can divide evenly into another number without a remainder.

    解説

  • 86

    division property of equality

    補足(例文と訳など)

    答え

    • Allows you to divide both sides of an equation by the same non-zero number

    解説

  • 87

    divisor

    補足(例文と訳など)

    答え

    • the number by which a dividend is divided

    解説

  • 88

    domain of a function

    補足(例文と訳など)

    答え

    • The set of all possible input values for the function

    解説

  • 89

    double bar graph

    補足(例文と訳など)

    答え

    • in a double bar graph, there are two sets of data or two bars for each item

    解説

  • 90

    edge of a polyhedron

    補足(例文と訳など)

    答え

    • A line segment where two faces of the polyhedron meet

    解説

  • 91

    edge of a solid

    補足(例文と訳など)

    答え

    • A line segment where two faces of the solid meet

    解説

  • 92

    elapsed time

    補足(例文と訳など)

    答え

    • the time that elapses while some event is occurring

    解説

  • 93

    element

    補足(例文と訳など)

    答え

    • An object in a set

    解説

  • 94

    empty Set

    補足(例文と訳など)

    答え

    • a set that has no elements in it

    解説

  • 95

    endpoint

    補足(例文と訳など)

    答え

    • a point at the end of a segment or ray

    解説

  • 96

    equation

    補足(例文と訳など)

    答え

    • a mathematical statement that two expressions are equal

    解説

  • 97

    equilateral triangle

    補足(例文と訳など)

    答え

    • a triangle with three equal sides

    解説

  • 98

    equivalent equations

    補足(例文と訳など)

    答え

    • equations that have the same solution

    解説

  • 99

    equivalent expressions

    補足(例文と訳など)

    答え

    • Expressions that simplify to an equal value when numbers are substituted for the variables of the expression.

    解説

  • 100

    equivalent fractions

    補足(例文と訳など)

    答え

    • fractions that name the same number

    解説

  • 101

    equivalent inequalities

    補足(例文と訳など)

    答え

    • inequalities that have the same solution

    解説

  • 102

    equivalent ratios

    補足(例文と訳など)

    答え

    • Ratios that have the same value.

    解説

  • 103

    equivalent variable expressions

    補足(例文と訳など)

    答え

    • variable expressions that have the same value for all values of the variable(s)

    解説

  • 104

    estimate

    補足(例文と訳など)

    答え

    • An answer that is close to the exact answer

    解説

  • 105

    evaluate

    補足(例文と訳など)

    答え

    • find out the value or amount of

    解説

  • 106

    evaluating a variable expression

    補足(例文と訳など)

    答え

    • substitute a number for the variable/s and find the value of the resulting numerical experssion

    解説

  • 107

    event

    補足(例文と訳など)

    答え

    • a collection of one or more outcomes

    解説

  • 108

    experimental probability

    補足(例文と訳など)

    答え

    • Probability based on data from repeating an event (doing an experiment)

    解説

  • 109

    exponent

    補足(例文と訳など)

    答え

    • a mathematical notation indicating the number of times a quantity is multiplied by itself

    解説

  • 110

    expression

    補足(例文と訳など)

    答え

    • A mathematical phrase involving at least one variable and sometimes numbers and operation symbols.

    解説

  • 111

    face of a polyhedron

    補足(例文と訳など)

    答え

    • A polygon that is a side of a polyhedron.

    解説

  • 112

    face of a solid

    補足(例文と訳など)

    答え

    • Polygon that is a side of a solid.

    解説

  • 113

    factor

    補足(例文と訳など)

    答え

    • When whole numbers other than zero are multiplied together, each number is a factor of the product.

    解説

  • 114

    factor tree

    補足(例文と訳など)

    答え

    • A diagram showing the prime factors of a number

    解説

  • 115

    factorial

    補足(例文と訳など)

    答え

    • The expression of n!; read n factorial; where n is greater than zero, the product of all positive integers beggining with n count back to 1

    解説

  • 116

    favorable outcomes

    補足(例文と訳など)

    答え

    • The outcomes for the particular event you are considering

    解説

  • 117

    formula

    補足(例文と訳など)

    答え

    • An equaton that relates two or more quantities such as perimeter, length, and width

    解説

  • 118

    fraction

    補足(例文と訳など)

    答え

    • A number that names part of a whole or group.

    解説

  • 119

    frequency

    補足(例文と訳など)

    答え

    • The number of observations in a given statistical category

    解説

  • 120

    frequency table

    補足(例文と訳など)

    答え

    • A table used to group data values into intervals

    解説

  • 121

    front-end estimation

    補足(例文と訳など)

    答え

    • A method of estimating a sum by adding the front-end digits and using the remainingdigits to adjust the sum

    解説

  • 122

    function

    補足(例文と訳など)

    答え

    • A function is a relation where every element in the domain is paired with one and only one element in the range. The domain is a set of all first elements and the range is a set of all second elements.

    解説

  • 123

    fuction notation

    補足(例文と訳など)

    答え

    • An equation that uses f(x) to represent the output of the function f for an output of x.

    解説

  • 124

    graph of an inequality

    補足(例文と訳など)

    答え

    • A graph containing a variable that shows all the solutions that satisfy the inequality.

    解説

  • 125

    greatest common factor

    補足(例文と訳など)

    答え

    • The number that is the greatest common factor of two or more whole numbers.

    解説

  • 126

    grouping symbols

    補足(例文と訳など)

    答え

    • Symbols such as parentheses, brackets, fraction bars

    解説

  • 127

    half plane

    補足(例文と訳など)

    答え

    • The graph of a linear inequality in two variables

    解説

  • 128

    height of a parallelogram

    補足(例文と訳など)

    答え

    • the perpendicular distance between the side whose length is the base and the opposite side

    解説

  • 129

    height of a trapezoid

    補足(例文と訳など)

    答え

    • perpendicular distance between the bases

    解説

  • 130

    height of a triangle

    補足(例文と訳など)

    答え

    • the perpendicular distance between the side whose length is the base and the vertex opposite that side

    解説

  • 131

    heptagon

    補足(例文と訳など)

    答え

    • a polygon with seven sides

    解説

  • 132

    hexagon

    補足(例文と訳など)

    答え

    • A polygon with six angles.

    解説

  • 133

    histogram

    補足(例文と訳など)

    答え

    • a bar graph in which the horizontal scale represents classes of data values and the vertical scale represents frequencies. The heights of the bars correspond to the frequency values and thee bars are drawn adjacent to each other w/o gaps

    解説

  • 134

    horizontal axis

    補足(例文と訳など)

    答え

    • the horizontal line on a graph

    解説

  • 135

    hypotenuse

    補足(例文と訳など)

    答え

    • the side of a right triangle opposite the right angle

    解説

  • 136

    identity property of addition

    補足(例文と訳など)

    答え

    • the sum of any number and 0 is equal to the initial number: symbolic form a+0=a

    解説

  • 137

    identity property of multipilcation

    補足(例文と訳など)

    答え

    • the product of a number and the multipicative identity, 1, is the number

    解説

  • 138

    image

    補足(例文と訳など)

    答え

    • the new figure formed by a transformation

    解説

  • 139

    improper fraction

    補足(例文と訳など)

    答え

    • a fraction whose numerator is larger than the denominator

    解説

  • 140

    independent events

    補足(例文と訳など)

    答え

    • The outcome of one event does not affect the outcome of the second event

    解説

  • 141

    inequality

    補足(例文と訳など)

    答え

    • a sentence that uses symbols

    解説

  • 142

    input

    補足(例文と訳など)

    答え

    • a number in which a function operates. An input value is the domain of the function.

    解説

  • 143

    input output table

    補足(例文と訳など)

    答え

    • one way to describe a function. It lists the inputs and outputs.

    解説

  • 144

    intergers

    補足(例文と訳など)

    答え

    • the numbers....... -4,-3,-2,-1,0,1,2,3,4,.......... consisting of the negative intergers, zero, and the positive intergers

    解説

  • 145

    interest

    補足(例文と訳など)

    答え

    • the amount earned or paid for the use of money

    解説

  • 146

    interquartile range

    補足(例文と訳など)

    答え

    • The difference between the upper and lower quartiles in a box and whisker plot

    解説

  • 147

    intersecting lines

    補足(例文と訳など)

    答え

    • two lines that meet at a point

    解説

  • 148

    intersection of a set

    補足(例文と訳など)

    答え

    • the set of a elements in both set A and B

    解説

  • 149

    inverse operations

    補足(例文と訳など)

    答え

    • operations that "undo" each other

    解説

  • 150

    inverse property of addition

    補足(例文と訳など)

    答え

    • this property states that when a number is subtracted by itself, the result is always zero

    解説

  • 151

    inverse property of multiplication

    補足(例文と訳など)

    答え

    • this property states then when a number is divided by itself or multiplied by its reciprocal, the result is one is

    解説

  • 152

    inverse variation

    補足(例文と訳など)

    答え

    • relationship between two variables in which the product is a constant y=k/x

    解説

  • 153

    irrational numbers

    補足(例文と訳など)

    答え

    • Numbers that cannot be expressed as a ratio of two integers. Their decimal expansions are nonending and nonrepeating.

    解説

  • 154

    isometric drawing

    補足(例文と訳など)

    答え

    • the drawing of a 3d object that shows a corner view of a figure. it is not drawn in perspective and the distances are not distorted.

    解説

  • 155

    isosceles triangle

    補足(例文と訳など)

    答え

    • a triangle with two equal sides

    解説

  • 156

    lateral surface area

    補足(例文と訳など)

    答え

    • The sum of all the areas of the faces of a 3D solid except the bases

    解説

  • 157

    leading digit

    補足(例文と訳など)

    答え

    • the first nonzero digit

    解説

  • 158

    leaf

    補足(例文と訳など)

    答え

    • the last digit on the right of a number displayed in a stem-and-leaf plot

    解説

  • 159

    least common denominator

    補足(例文と訳など)

    答え

    • The least common multiple of the denominators of the fractions.

    解説

  • 160

    least common multiple

    補足(例文と訳など)

    答え

    • The smallest multiple (other than zero) that two or more numbers have in common.

    解説

  • 161

    legs of a right triangle

    補足(例文と訳など)

    答え

    • two sides os a triangle that form a triangle

    解説

  • 162

    length

    補足(例文と訳など)

    答え

    • distance-measured using a ruler, units are meters

    解説

  • 163

    like terms

    補足(例文と訳など)

    答え

    • Expressions that contain the same variables to the same power

    解説

  • 164

    line

    補足(例文と訳など)

    答え

    • a straight path that goes in two directions without end

    解説

  • 165

    line graph

    補足(例文と訳など)

    答え

    • A graph that uses line segments to show changes that occur over time

    解説

  • 166

    line of reflection

    補足(例文と訳など)

    答え

    • The line over which a figure is reflected. The vertices of the original and new figure are the same distance from this.

    解説

  • 167

    line of symmetry

    補足(例文と訳など)

    答え

    • a line that divides a figure into two congruent parts

    解説

  • 168

    line plot

    補足(例文と訳など)

    答え

    • a number line diagram that uses X marks to show the frequenciesof items or categories being tallied

    解説

  • 169

    line symmetry

    補足(例文と訳など)

    答え

    • a line through an image so that the two sides are mirror images

    解説

  • 170

    linear equation

    補足(例文と訳など)

    答え

    • in two varibles is an equation in which the varibles is an equation in which the varibles appear in seperate terms & neither varibles conains an exponet other than one

    解説

  • 171

    linear function

    補足(例文と訳など)

    答え

    • a function in which the graph of the solutions forms a line

    解説

  • 172

    linear inequality

    補足(例文と訳など)

    答え

    • an inequality that appear in seperate terms and each variable occurs only to the first power

    解説

  • 173

    lower extreme

    補足(例文と訳など)

    答え

    • The least value in a data set

    解説

  • 174

    lower quartile

    補足(例文と訳など)

    答え

    • The median of the lower half of data set

    解説

  • 175

    mark up

    補足(例文と訳など)

    答え

    • the increase in the wholesale price of an item

    解説

  • 176

    mean

    補足(例文と訳など)

    答え

    • the sum of the values in a data set divided by the number of values

    解説

  • 177

    measure

    補足(例文と訳など)

    答え

    • to find dimensions, quanity, capacity, or weight

    解説

  • 178

    median

    補足(例文と訳など)

    答え

    • The middle number in a set of data when it is arranged in numerical order. If the data set has an even number, the median is the mean of the two middle numbers.

    解説

  • 179

    mixed number

    補足(例文と訳など)

    答え

    • a whole number and a fractional part

    解説

  • 180

    mode

    補足(例文と訳など)

    答え

    • The number seen most often in a list. There can be no mode, one mode or more than one mode.

    解説

  • 181

    monomial

    補足(例文と訳など)

    答え

    • an expression that is a number, a variable, or a product of numbers

    解説

  • 182

    multiple

    補足(例文と訳など)

    答え

    • The product of a whole number and any nonzero whole number

    解説

  • 183

    multiplication property of equality

    補足(例文と訳など)

    答え

    • the property that states that if you multiply both sides of an equation by the same number, the new equation will have the same solution

    解説

  • 184

    multiplication property of zero

    補足(例文と訳など)

    答え

    • anything multiplied by zero is always zero

    解説

  • 185

    multiplicative identity

    補足(例文と訳など)

    答え

    • a number such that when you multiply it by a second number, the product is the second number

    解説

  • 186

    multiplicative inverse

    補足(例文と訳など)

    答え

    • the multiplicative inverse of a number a/b is the number b/a; the product of any nonzero number and its multiplicative inverse is 1. The multiplicative inverse is aslo called the reciprocal.

    解説

  • 187

    negative intergers

    補足(例文と訳など)

    答え

    • a whole number that is less than zero

    解説

  • 188

    net

    補足(例文と訳など)

    答え

    • a two dimensional figure that can be folded to form a solid

    解説

  • 189

    number fact family

    補足(例文と訳など)

    答え

    • four numbers facts consisting of three numbers related by inverse operations

    解説

  • 190

    number line

    補足(例文と訳など)

    答え

    • A line for representing and graphing numbers. Eachpoint on the line corresponds to a number.

    解説

  • 191

    number sentence

    補足(例文と訳など)

    答え

    • a mathematical statement that has numbers, at least one operation sign, and an equal or inequality sign

    解説

  • 192

    numerator

    補足(例文と訳など)

    答え

    • the top number of a fraction. a/b = the numerator is a

    解説

  • 193

    numerical expression

    補足(例文と訳など)

    答え

    • a mathematical expression that has a combination of numbers and at least one operation

    解説

  • 194

    obtuse angle

    補足(例文と訳など)

    答え

    • an angle between 90 and 180 degrees

    解説

  • 195

    obtuse triangle

    補足(例文と訳など)

    答え

    • a triangle with one obtuse angle

    解説

  • 196

    octagon

    補足(例文と訳など)

    答え

    • an eight-sided polygon

    解説

  • 197

    odds in favor of an event

    補足(例文と訳など)

    答え

    • The ratio of the number of favorable outcomes to the ratio of the number of unfavorable outcomes.

    解説

  • 198

    opposites

    補足(例文と訳など)

    答え

    • two numbers that are the same distance from zero on a number line, but are in opposite directions. (-2 and 2)

    解説

  • 199

    order of operations

    補足(例文と訳など)

    答え

    • The rules to be followed when simplifying expressions. Parentheses, Exponents, Multiply, Divide, Add, Subtract in order from left to right. Please Excuse My Dear Aunt Sally

    解説

  • 200

    ordered pair

    補足(例文と訳など)

    答え

    • A pair of numbers that give the location of a point on a grid.

    解説

  • 201

    origin

    補足(例文と訳など)

    答え

    • the point (0,0)

    解説

  • 202

    outcome

    補足(例文と訳など)

    答え

    • the result of carrying out an experiment

    解説

  • 203

    output

    補足(例文と訳など)

    答え

    • a number produced by evaluating a function using a given input. An output value is in the range of the function

    解説

  • 204

    overlaping events

    補足(例文と訳など)

    答え

    • events that have one or more outcomes in common

    解説

  • 205

    parallel lines

    補足(例文と訳など)

    答え

    • two lines that never meet

    解説

  • 206

    parallelogram

    補足(例文と訳など)

    答え

    • a quadrilateral whose opposite sides are both parallel and equal in length

    解説

  • 207

    pattern

    補足(例文と訳など)

    答え

    • A series of numbers or figures that have a consistent relationship between them

    解説

  • 208

    pentagon

    補足(例文と訳など)

    答え

    • a five-sided polygon

    解説

  • 209

    percent

    補足(例文と訳など)

    答え

    • a ratio whose denominator is 100 and the sign for it is %

    解説

  • 210

    percent equation

    補足(例文と訳など)

    答え

    • you can represent "a is p percent of b" with the equation a=p% times b where a is part of the base b and p% is the percent

    解説

  • 211

    percent of change

    補足(例文と訳など)

    答え

    • a percent that shows how much a quantity has increased or decreased in comparison with the original amount

    解説

  • 212

    percent of decrease

    補足(例文と訳など)

    答え

    • percent of change where the new number is less than the original number

    解説

  • 213

    percent of increase

    補足(例文と訳など)

    答え

    • percent of change where the new number is greater than the original number

    解説

  • 214

    perfect square

    補足(例文と訳など)

    答え

    • a number like 9 that is the square of an integer

    解説

  • 215

    perimeter

    補足(例文と訳など)

    答え

    • the size of something as given by the distance around it

    解説

  • 216

    permutation

    補足(例文と訳など)

    答え

    • an arrangement of objects in which order is important

    解説

  • 217

    perpendicular bisector

    補足(例文と訳など)

    答え

    • a line that is perpendicular to a line segment and intersects the line segment at its midpoint

    解説

  • 218

    perpendicular lines

    補足(例文と訳など)

    答え

    • two lines that meet and form a right angle

    解説

  • 219

    pi

    補足(例文と訳など)

    答え

    • the ratio of the circumference to the diameter of a circle

    解説

  • 220

    pictograph

    補足(例文と訳など)

    答え

    • A graph that shows data by using picture symbols

    解説

  • 221

    place value

    補足(例文と訳など)

    答え

    • The value given to a digit by its place in the number.

    解説

  • 222

    plane

    補足(例文と訳など)

    答え

    • a flat surface that extends without end in all directions.

    解説

  • 223

    point

    補足(例文と訳など)

    答え

    • a position in space represented with a dot

    解説

  • 224

    polygon

    補足(例文と訳など)

    答え

    • a closed plane figure formed by three or more line segments that intersect only at thier endpoints.

    解説

  • 225

    polyhedron

    補足(例文と訳など)

    答え

    • a solid figure bounded by plane polygons or faces

    解説

  • 226

    ploynomial

    補足(例文と訳など)

    答え

    • a monomial or a sum of monomials

    解説

  • 227

    population

    補足(例文と訳など)

    答え

    • in statistics the entire group of people or objects about which you want information.

    解説

  • 228

    positive intergers

    補足(例文と訳など)

    答え

    • a whole number that is greater than zero

    解説

  • 229

    power

    補足(例文と訳など)

    答え

    • a product formed from repeated multipulcation by the same numbers, it contains of a base and an exponent

    解説

  • 230

    preimage

    補足(例文と訳など)

    答え

    • the original figure in the transformation of a figure

    解説

  • 231

    prime factorization

    補足(例文と訳など)

    答え

    • A whole number expressed as the preduct of its prime factors.

    解説

  • 232

    prime number

    補足(例文と訳など)

    答え

    • an integer that has no integral factors but itself and 1

    解説

  • 233

    principal

    補足(例文と訳など)

    答え

    • the amount of money invested or borrowed

    解説

  • 234

    prism

    補足(例文と訳など)

    答え

    • A solid figure with two parallel bases that are congruent polygons

    解説

  • 235

    probability of event

    補足(例文と訳など)

    答え

    • the measure of the likelihood that the event will occur

    解説

  • 236

    product

    補足(例文と訳など)

    答え

    • the answer to a mulitplication problem

    解説

  • 237

    proper fraction

    補足(例文と訳など)

    答え

    • a fraction with a numerator smaller than the denominator

    解説

  • 238

    proportion

    補足(例文と訳など)

    答え

    • An equation starting that two ratios are equivalaent.

    解説

  • 239

    pyramid

    補足(例文と訳など)

    答え

    • a solid figure that has a polygon for a base and triangles for sides

    解説

  • 240

    Pythagorean theorem

    補足(例文と訳など)

    答え

    • States that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the legs.

    解説

  • 241

    Pythagorean triple

    補足(例文と訳など)

    答え

    • a set of three positive intergers

    解説

  • 242

    quadrant

    補足(例文と訳など)

    答え

    • One of four regions of a coordinate system bounded by the x-axis and y-axis

    解説

  • 243

    quadrilateral

    補足(例文と訳など)

    答え

    • a four-sided polygon

    解説

  • 244

    quotient

    補足(例文と訳など)

    答え

    • the result of a division problem

    解説

  • 245

    radical expressions

    補足(例文と訳など)

    答え

    • An expression involving a radical sign

    解説

  • 246

    radius of a circle

    補足(例文と訳など)

    答え

    • the distance from the center to a point on the circle

    解説

  • 247

    random sample

    補足(例文と訳など)

    答え

    • a sample in which every element in the population has an equal chance of being selected

    解説

  • 248

    range of a data set

    補足(例文と訳など)

    答え

    • the difference between the greatest and the least values in a set of numbers.

    解説

  • 249

    range of a function

    補足(例文と訳など)

    答え

    • all values are out put variables

    解説

  • 250

    rate

    補足(例文と訳など)

    答え

    • A ratio of two quantities measured in different units.

    解説

  • 251

    rate of change

    補足(例文と訳など)

    答え

    • A ration that compares the amount of change in the dependent variable to the amount of change in the independent variable

    解説

  • 252

    ratio

    補足(例文と訳など)

    答え

    • Comparing two quantities by division

    解説

  • 253

    rational number

    補足(例文と訳など)

    答え

    • A number that can be written with an integer in the numerator and a positive integer in the denominator.

    解説

  • 254

    ray

    補足(例文と訳など)

    答え

    • A part of a line, with one endpoint, that continues without end in one direction

    解説

  • 255

    real numbers

    補足(例文と訳など)

    答え

    • the set of numbers that includes rational and irrational numbers.

    解説

  • 256

    reciprocals

    補足(例文と訳など)

    答え

    • two numbers are reciprocals if their product is 1

    解説

  • 257

    rectangle

    補足(例文と訳など)

    答え

    • a parallelogram with four right angles

    解説

  • 258

    rectangular prism

    補足(例文と訳など)

    答え

    • A prism with rectangular bases

    解説

  • 259

    reflection

    補足(例文と訳など)

    答え

    • A transformation that flips the figure over the line of reflection

    解説

  • 260

    reflex angle

    補足(例文と訳など)

    答え

    • An angle between 180º and but less than 360º

    解説

  • 261

    regular polygon

    補足(例文と訳など)

    答え

    • a polygon with all sides and all angles equal

    解説

  • 262

    regular pyramid

    補足(例文と訳など)

    答え

    • a pyramid whose base is a regualr polygon

    解説

  • 263

    regular tessillation

    補足(例文と訳など)

    答え

    • a teswsillation made from one type of regular polygon

    解説

  • 264

    relation

    補足(例文と訳など)

    答え

    • a set of ordered pairs

    解説

  • 265

    relative frequency

    補足(例文と訳など)

    答え

    • the ratio of the number of observations in a statistical category to the total number of observations

    解説

  • 266

    relatively prime numbers

    補足(例文と訳など)

    答え

    • two or more nonzero whole numberers whose greatest common factor is 1

    解説

  • 267

    remainder

    補足(例文と訳など)

    答え

    • the part of the dividend that is left over when the dividend is not evenly divisible by the divisor

    解説

  • 268

    repeating decimal

    補足(例文と訳など)

    答え

    • a decimal that repeats a digit or group of digits forever

    解説

  • 269

    rhombus

    補足(例文と訳など)

    答え

    • a parallelogram with four equal sides

    解説

  • 270

    right angle

    補足(例文と訳など)

    答え

    • an angle measuring 90º

    解説

  • 271

    right triangle

    補足(例文と訳など)

    答え

    • a triangle with one right angle

    解説

  • 272

    rise

    補足(例文と訳など)

    答え

    • the vertical of change between to end points

    解説

  • 273

    rotation

    補足(例文と訳など)

    答え

    • A transformation in which every point of the preimage is rotated by a given angle about a point.

    解説

  • 274

    rotational symmetry

    補足(例文と訳など)

    答え

    • is a rotation of 180 degrees or less that maps the figure onto itself

    解説

  • 275

    round

    補足(例文と訳など)

    答え

    • To find the nearest value of a number based on a given plase value.

    解説

  • 276

    round numbers

    補足(例文と訳など)

    答え

    • numbers used in estimation

    解説

  • 277

    run

    補足(例文と訳など)

    答え

    • the horizontal change when the slope of a line

    解説

  • 278

    sample

    補足(例文と訳など)

    答え

    • a part of a population

    解説

  • 279

    sample space

    補足(例文と訳など)

    答え

    • the set of all possible outcomes

    解説

  • 280

    scale

    補足(例文と訳など)

    答え

    • in a scale drawing, the scale gives the relationship between the drawing's dimension's and the actual dimensions.

    解説

  • 281

    scale drawing

    補足(例文と訳など)

    答え

    • A diagram of an object in which the dimensions are in proprtion to the actual dimensions of the object.

    解説

  • 282

    scale factor

    補足(例文と訳など)

    答え

    • The ratio of the lengths in a dilation between the values of two variables.

    解説

  • 283

    scale model

    補足(例文と訳など)

    答え

    • A model of an object in which the dimensions are in proportion to the actual dimensions of the object.

    解説

  • 284

    scalene triangle

    補足(例文と訳など)

    答え

    • a triangle with no two sides of equal length

    解説

  • 285

    scatter plot

    補足(例文と訳など)

    答え

    • A graph that displays two sets of data as ordered pairs (points)

    解説

  • 286

    scientific notation

    補足(例文と訳など)

    答え

    • the method of expressing a very large or very small number number by multiplying a number between 1 and 10 by some power of 10

    解説

  • 287

    segement

    補足(例文と訳など)

    答え

    • one of many identical or almost identical repeating body parts.

    解説

  • 288

    sequence

    補足(例文と訳など)

    答え

    • the action of following in order

    解説

  • 289

    set

    補足(例文と訳など)

    答え

    • collection of distinct objects

    解説

  • 290

    similar polygons

    補足(例文と訳など)

    答え

    • Polygons that have the same shape, but not necessarily the same size. Corresponding sides of similar polygons are proportional.

    解説

  • 291

    similar triangles

    補足(例文と訳など)

    答え

    • triangles that have the same shape but not necessarily the same size.

    解説

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