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(geometry) a part of a circle, which is curved
弧（こ）, アーク
the measurement of a piece of land or a flat surface
面積, 区域
(geometry) an element that only has position, with no size or dimension
点（てん）, ポイント
(mathematics) a group of things that belong together because of having some similarities
集合 (しゅうごう), セット
an area that is empty or unoccupied and therefore available for use
スペース, 空間
the amount of space that a substance or object takes or the amount of space inside an object
体積 (たいせき, taiseki)
the calculation of the total of two or more numbers added together
足し算, 加算
the action or process of taking an amount away from a total
控除（こうじょ）, 減算（げんざん）
the process of calculating how many times a number can contain another number
除算 (じょざん), 割り算 (わりざん)
the process or action of adding a number to itself a specific number of times
掛け算, 乗算
a part of a whole number, such as ½
分数, 分数値
a number or amount expressed as a fraction of 100
パーセンテージ, パーセント
(mathematics) a number representing the chances of something specific happening
確率（かくりつ）, プロバビリティ
the sign = in mathematics, used to indicate that two quantities or expressions are exactly the same in value or meaning
等号（とうごう）, イコール記号（いこーるきごう）
to reach a specified total when different amounts are added together
合計する, 総計する
one of the numbers from 0 to 9
数字 (すうじ), 桁 (けた)
the sign - in mathematics, used to indicate subtraction or a negative number
マイナス, 減号
the sign + in mathematics, used to indicate addition or a positive number
プラス, 正符号
a graphical display of the relationship between two or more numbers using a line or lines
グラフ, 図表
a graphical display of information consisting of narrow rectangular lines whose heights depend on the value that they are representing
棒グラフ, バーチャート
a graphical display of the difference between the parts of a whole shown by dividing a circle into several segments
円グラフ, パイチャート
a graphical display of the relationship between two points connected to each other by lines
折れ線グラフ, ライングラフ
someone who is a specialist or expert in mathematics
数学者, 数理学者
a unit used to represent the degree, size, or quantity of something
測定単位 (そくてい たんい), 単位 (たんい)
a unit used in North America and Britain for measuring land area that equals 4047 square meters or 4840 square yards
エーカー, エイカー
a unit for measuring angles, shown by the symbol °
度 (ど), ディグリー
a number or piece of data representing measurements or facts
統計（とうけい）, 統計値（とうけいち）
to position someone or something on a scale based on importance, quality, etc.
ランク付けする, 順位をつける
to judge and assign a score or rank to something according to a set scale
評価する, 格付けする
extremely large or heavy
consisting of or involving several parts, elements, or people
複数の, 多くの
indicating a large number of something
多数の, 多くの
extremely great in extent, size, or area
広大な, 広い
