A2级单词表 - Mathematics

在这里，您将学习一些关于数学的英语单词，例如“相加”、“相减”和“相乘”，这些是为A2学习者准备的。

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to calculate

[动词]

to find a number or amount using mathematics

计算, 算出

Ex: We need to calculate the time it will take to complete the project based on our current progress .我们需要根据目前的进度**计算**完成项目所需的时间。

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calculation

[名词]

the act of finding a number or amount using mathematics

计算, 估算

Ex: Accurate calculations are essential for ensuring the success of scientific experiments .准确的**计算**对于确保科学实验的成功至关重要。

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to add

[动词]

(mathematics) to put numbers or amounts together and find the total

加, 添加

Ex: She quickly learned how to add, subtract , multiply , and divide .她很快就学会了如何**加**、减、乘、除。

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to add up

[动词]

to find the total of a set of numbers or quantities

加起来, 计算总和

Ex: You should add up the quantities in the inventory to ensure accuracy .你应该**加起来**库存中的数量以确保准确性。

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to subtract

[动词]

(mathematics) to take a number from another number and find out the difference

减去

Ex: She subtracted the cost of shipping from the total amount .她从总金额中**减去**了运费。

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to multiply

[动词]

(mathematics) to add a number to itself a certain number of times

乘

Ex: In the expression 3 × 7 , you multiply 3 by 7 to get the answer .在表达式3 × 7中，你将3乘以7得到答案。

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to divide

[动词]

(mathematics) to calculate how many times a number contains another number

除, 分割

Ex: Dividing a number by itself equals 1 .将一个数**除以**它本身等于1。

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to count

[动词]

to determine the number of people or objects in a group

数

Ex: Right now , the cashier is actively counting the money in the cash register .现在，收银员正在积极地**数**收银机里的钱。

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count

[名词]

the act of saying the numbers out loud in an order

计数, 数数

Ex: The doctor asked for a count of the patient 's heartbeats per minute .医生要求对患者每分钟的心跳进行**计数**。

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average

[形容词]

calculated by adding a set of numbers together and dividing this amount by the total number of amounts in that set

平均

Ex: The average number of hours worked per week was 40 .每周工作的**平均**小时数为40。

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to equal

[动词]

to be the same size, value, number, etc. as something

等于, 与...相同

Ex: The value of the two investments equals each other .两项投资的价值**相等**。

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figure

[名词]

a symbol that represents any number between 0 and 9

数字, 数

Ex: The financial report includes various figures representing revenue and expenses .财务报告包括代表收入和支出的各种**数字**。

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mathematics

[名词]

the study of numbers and shapes that involves calculation and description

数学, 数学

Ex: We learn about shapes and measurements in our math class.我们在**数学**课上学习形状和测量。

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thousand

[数词]

the number 1 followed by 3 zeros

千, 千数

Ex: They embarked on a road trip , driving through picturesque landscapes for a journey of a thousand miles .他们踏上了公路旅行，驾车穿越风景如画的景观，进行**千**英里的旅程。

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million

[数词]

the number 1 followed by 6 zeros

百万

Ex: The author 's best-selling novel sold over a million copies worldwide , captivating readers across cultures .作者的最畅销小说在全球售出了超过**一百万**册，吸引了来自不同文化的读者。

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billion

[数词]

the number 1 followed by 9 zeros

十亿, 十亿

Ex: The government invested a billion dollars in infrastructure development .政府投资了**十亿**美元用于基础设施建设。

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minus sign

[名词]

the sign (-) that is used in mathematics

减号, 负号

Ex: The temperature dropped to -5 degrees Celsius , where the minus sign represents below zero .温度降至-5摄氏度，其中**减号**代表零下。

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plus sign

[名词]

the sign (+) that is used in mathematics

加号

Ex: When calculating the total cost , a positive result is denoted by the plus sign.计算总成本时，正数结果用**加号**表示。

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negative

[形容词]

(of a number) less than zero

负的, 负数

Ex: In mathematics , a negative number multiplied by another negative number yields a positive product .在数学中，**负**数乘以另一个**负**数会得到一个正的乘积。

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positive

[形容词]

(of a number) higher than zero

正的, 大于零

Ex: If the result of the equation is positive, it indicates a gain .如果方程的结果是**正的**，则表示有收益。

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number

[名词]

a word, sign, or symbol that represents a specific quantity or amount

号码, 数字

Ex: The street address and house number are essential for accurate mail delivery .街道地址和门牌**号**对于准确的邮件投递至关重要。

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operation

[名词]

(mathematics) a process according to which a calculation is done, such as adding, dividing, etc.

运算

Ex: Understanding the properties of mathematical operations is fundamental in algebraic manipulations.理解数学**运算**的性质是代数操作的基础。

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sign

[名词]

a symbol or letters used in math, music, or other subjects to show an instruction, idea, etc.

符号, 标记

Ex: The infinity sign symbolizes something that has no end .无限**符号**象征着没有尽头的东西。

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symbol

[名词]

a mark or set of characters that shows a certain meaning, particularly in fields like chemistry, music, or science

符号, 象征

Ex: The ampersand " & " is a symbol commonly used to represent the word " and " in informal writing .符号“&”是一个**符号**，常用于在非正式写作中表示“和”这个词。

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solution

[名词]

a correct answer to a problem in mathematics or a puzzle

解决方案, 答案

Ex: The mathematician 's groundbreaking research led to the discovery of a solution to a long-standing mathematical problem .这位数学家的开创性研究导致了一个长期存在的数学问题的**解决方案**的发现。

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sum

[名词]

the whole amount of numbers added together

总和, 总数

Ex: The sum of the first ten prime numbers is 129 .前十个质数的**和**是129。

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total

[名词]

the whole amount of numbers that are added together

总数, 总和

Ex: The total of the bill came to $ 75 after including tax and tip .包括税和小费后，账单的**总计**为75美元。