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Addition

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The process of finding the total or sum by combining two or more numbers. 算术

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Decimal

Back

A number that includes a decimal point, representing a fraction of a base-10 number. 小数

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Denominator

Back

The bottom number in a fraction, which shows how many equal parts the item is divided into. 分母

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Difference

Back

The result of subtracting one number from another. 差

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Digit

Back

Any of the numerals from 0 to 9, especially when forming part of a number. 数字

Front

Division

Back

The process of dividing a number into equal parts or groups. 除法

Front

Estimate

Back

A rough calculation or judgment of the value, number, quantity, or extent of something. 估计

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Factor

Back

A number that divides into another number exactly and without leaving a remainder. 因子

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Fraction

Back

A numerical quantity that is not a whole number, representing a part of a whole. 分数

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Integer

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A whole number; a number that is not a fraction. 整数