你需要知道的50个英语数学术语

数学是一门全球通用的语言,无论你身处何地,掌握英语数学术语都是必不可少的。本文介绍了50个你需要知道的英语数学术语,从基础概念到高级应用,涵盖了数学领域的各个方面。例如,我们熟悉的“平方根”(square root)就是指一个数的平方等于该数本身的非负实数解,如√9=3。“对称轴”(axis of symmetry)是指一个图形中分割图形两侧的直线或曲线,如抛物线的对称轴是垂直于抛物线的直线。通过掌握这些数学术语,我们能更好地理解和应用数学知识,为我们的学习和工作带来便利。

1、你需要知道的50个英语数学术语

数学是一门普遍被认为是挑战性的学科,它涉及到许多专业术语和概念。无论你是学生、教师还是对数学有兴趣的人,了解这些英语数学术语将有助于你更好地理解和应用数学。我将介绍50个你需要知道的英语数学术语,每个术语都附有示例,帮助你更好地理解它们。

1. Number 数字

– Example: 1, 2, 3, 4, 5

2. Addition 加法

– Example: 2 + 3 = 5

3. Subtraction 减法

– Example: 5 – 2 = 3

4. Multiplication 乘法

– Example: 2 × 3 = 6

5. Division 除法

– Example: 6 ÷ 2 = 3

6. Fraction 分数

– Example: 1/2, 3/4, 5/6

7. Decimal 小数

– Example: 0.5, 0.75, 0.333

8. Percentage 百分比

– Example: 50%, 75%, 33.3%

9. Equation 方程

– Example: 2x + 3 = 7

10. Variable 变量

– Example: x, y, z

11. Algebra 代数

– Example: solving for x in an equation

12. Geometry 几何

– Example: calculating the area of a triangle

13. Angle 角度

– Example: a right angle is 90 degrees

14. Triangle 三角形

– Example: equilateral, isosceles, scalene triangles

15. Circle 圆

– Example: calculating the circumference of a circle

16. Square 正方形

– Example: calculating the area of a square

17. Rectangle 矩形

– Example: calculating the perimeter of a rectangle

18. Parallelogram 平行四边形

– Example: calculating the area of a parallelogram

19. Trapezoid 梯形

– Example: calculating the area of a trapezoid

20. Volume 体积

– Example: calculating the volume of a cube

21. Surface area 表面积

– Example: calculating the surface area of a sphere

22. Perimeter 周长

– Example: calculating the perimeter of a polygon

23. Mean 平均数

– Example: calculating the mean of a set of numbers

24. Median 中位数

– Example: finding the median of {1, 2, 3, 4, 5}

25. Mode 众数

– Example: finding the mode of {1, 2, 2, 3, 4}

26. Range 范围

– Example: calculating the range of {1, 2, 3, 4, 5}

27. Probability 概率

– Example: the probability of rolling a six on a dice

28. Statistics 统计学

– Example: analyzing data and drawing conclusions

29. Graph 图表

– Example: plotting points on a coordinate plane

30. Line 直线

– Example: finding the equation of a line

31. Slope 斜率

– Example: calculating the slope of a line

32. Intercept 截距

– Example: finding the y-intercept of a line

33. Exponent 指数

– Example: 2^3 = 8

34. Square root 平方根

– Example: √9 = 3

35. Cube root 立方根

– Example: ∛8 = 2

36. Absolute value 绝对值

– Example: | -5 | = 5

37. Function 函数

– Example: f(x) = 2x + 3

38. Domain 定义域

– Example: the set of all possible x-values for a function

39. Range 值域

– Example: the set of all possible y-values for a function

40. Coordinate plane 坐标平面

– Example: (x, y) coordinates

41. Matrix 矩阵

– Example: [1 2 3; 4 5 6; 7 8 9]

42. Determinant 行列式

– Example: calculating the determinant of a matrix

43. Vector 向量

– Example: [1, 2, 3]

44. Scalar 数量

– Example: multiplying a matrix by a scalar

45. Quadratic equation 二次方程

– Example: ax^2 + bx + c = 0

46. Logarithm 对数

– Example: log base 10 of 100 = 2

47. Trigonometry 三角学

– Example: calculating sine, cosine, and tangent

48. Hypotenuse 斜边

– Example: the longest side of a right triangle

49. Pythagorean theorem 毕达哥拉斯定理

– Example: a^2 + b^2 = c^2

50. Calculus 微积分

– Example: finding the derivative of a function

通过了解这些英语数学术语,你将能够更好地理解数学概念和解决数学问题。无论你是在学校学习数学,还是在日常生活中需要应用数学知识,这些术语都将对你有所帮助。继续探索数学的奥秘,并将这些术语融入到你的数学学习和实践中。

2、你需要知道的50个英语数学术语有哪些

数学是一门普遍被认为有些难度的学科,其中的专业术语更是让人望而却步。掌握这些数学术语对于学习和理解数学是至关重要的。我们将介绍50个你需要知道的英语数学术语,并提供一些示例,帮助你更好地理解它们。

1. Addition(加法): The process of combining two or more numbers to find their total.

Example: 2 + 3 = 5

2. Subtraction(减法): The process of taking one number away from another.

Example: 6 – 4 = 2

3. Multiplication(乘法): The process of repeated addition.

Example: 3 x 4 = 12

4. Division(除法): The process of sharing or dividing a number into equal parts.

Example: 10 ÷ 2 = 5

5. Addition Property of Equality(等式的加法性质): If a = b, then a + c = b + c.

Example: If 2 + 3 = 5, then 2 + 3 + 4 = 5 + 4.

6. Subtraction Property of Equality(等式的减法性质): If a = b, then a – c = b – c.

Example: If 6 – 4 = 2, then 6 – 4 – 1 = 2 – 1.

7. Multiplication Property of Equality(等式的乘法性质): If a = b, then a * c = b * c.

Example: If 3 x 4 = 12, then 3 x 4 x 2 = 12 x 2.

8. Division Property of Equality(等式的除法性质): If a = b, then a ÷ c = b ÷ c.

Example: If 10 ÷ 2 = 5, then 10 ÷ 2 ÷ 5 = 5 ÷ 5.

9. Integer(整数): A number that can be positive, negative, or zero, but not a fraction or decimal.

Example: -3, 0, 5

10. Fraction(分数): A number that represents a part of a whole.

Example: 1/2, 3/4, 2/5

11. Decimal(小数): A number that includes a decimal point.

Example: 3.14, 0.5, 2.75

12. Prime Number(质数): A number that is only divisible by 1 and itself.

Example: 2, 3, 5, 7

13. Composite Number(合数): A number that has more than two factors.

Example: 4, 6, 8, 9

14. Factors(因数): The numbers that can be multiplied together to get another number.

Example: The factors of 12 are 1, 2, 3, 4, 6, and 12.

15. Multiple(倍数): The result of multiplying a number by another number.

Example: The multiples of 3 are 3, 6, 9, 12, …

16. Exponent(指数): A number that represents repeated multiplication.

Example: 2^3 = 2 x 2 x 2 = 8

17. Base(底数): The number that is multiplied by itself a certain number of times.

Example: In 2^3, 2 is the base.

18. Radical(根号): The symbol √ used to represent a square root.

Example: √9 = 3

19. Equation(方程): A mathematical statement that two expressions are equal.

Example: 2x + 3 = 7

20. Variable(变量): A symbol or letter that represents an unknown quantity.

Example: In the equation 2x + 3 = 7, x is the variable.

21. Coefficient(系数): The number that is multiplied by a variable.

Example: In the equation 2x + 3 = 7, 2 is the coefficient of x.

22. Inequality(不等式): A mathematical statement that shows a relationship between two expressions that are not equal.

Example: 3x + 2 > 10

23. Absolute Value(绝对值): The distance of a number from zero on a number line.

Example: |-5| = 5

24. Ratio(比率): A comparison of two or more quantities.

Example: The ratio of boys to girls is 2:3.

25. Proportion(比例): An equation that states two ratios are equal.

Example: 2/3 = 4/6

26. Percent(百分比): A fraction or decimal expressed as a part of 100.

Example: 50% = 0.5

27. Mean(平均数): The average of a set of numbers.

Example: The mean of 2, 4, and 6 is (2 + 4 + 6) / 3 = 4.

28. Median(中位数): The middle value in a set of numbers when they are arranged in order.

Example: The median of 2, 4, and 6 is 4.

29. Mode(众数): The value that appears most frequently in a set of numbers.

Example: The mode of 2, 4, and 6 is 2.

30. Range(范围): The difference between the largest and smallest values in a set of numbers.

Example: The range of 2, 4, and 6 is 6 – 2 = 4.

31. Area(面积): The measure of the amount of space inside a shape.

Example: The area of a rectangle with length 5 and width 3 is 5 x 3 = 15.

32. Perimeter(周长): The distance around the outside of a shape.

Example: The perimeter of a rectangle with length 5 and width 3 is 2(5 + 3) = 16.

33. Volume(体积): The measure of the amount of space inside a three-dimensional shape.

Example: The volume of a cube with side length 3 is 3 x 3 x 3 = 27.

34. Pythagorean Theorem(勾股定理): In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

Example: In a right triangle with sides 3 and 4, the hypotenuse is √(3^2 + 4^2) = 5.

35. Quadratic Equation(二次方程): An equation of the form ax^2 + bx + c = 0, where a, b, and c are constants.

Example: 2x^2 + 3x – 5 = 0

36. Coordinate Plane(坐标平面): A two-dimensional plane formed by two perpendicular number lines.

Example: The point (2, 3) is located 2 units to the right and 3 units up from the origin.

37. Slope(斜率): The measure of the steepness of a line.

Example: The slope of a line passing through the points (2, 3) and (4, 5) is (5 – 3) / (4 – 2) = 1.

38. Intercept(截距): The point where a line crosses the x-axis or y-axis.

Example: The x-intercept of the line y = 2x + 3 is the point where y = 0, which is (-1.5, 0).

39. Function(函数): A relation where each input has exactly one output.

Example: f(x) = 2x + 3

40. Domain(定义域): The set of all possible inputs of a function.

Example: In the function f(x) = 2x + 3, the domain is all real numbers.

41. Range(值域): The set of all possible outputs of a function.

Example: In the function f(x) = 2x + 3, the range is all real numbers.

42. Coordinate(坐标): An ordered pair (x, y) that represents a point on a coordinate plane.

Example: The point (2, 3) has x-coordinate 2 and y-coordinate 3.

43. Congruent(全等): Having the same shape and size.

Example: Two triangles are congruent if all corresponding sides and angles are equal.

44. Similar(相似): Having the same shape but not necessarily the same size.

Example: Two triangles are similar if all corresponding angles are equal.

45. Perpendicular(垂直): Two lines that intersect at a right angle.

Example: The lines y = 2x and y = -1/2x are perpendicular.

46. Parallel(平行): Two lines that never intersect and are always the same distance apart.

Example: The lines y = 2x + 3 and y = 2x – 1 are parallel.

47. Vertex(顶点): The point where two sides of a polygon meet.

Example: The vertex of a triangle is the point where three sides meet.

48. Hypotenuse(斜边): The side opposite the right angle in a right triangle.

Example: In a right triangle with sides 3 and 4, the hypotenuse is the longest side.

49. Diameter(直径): The distance across a circle through its center.

Example: The diameter of a circle with radius 5 is 2 x 5 = 10.

50. Radius(半径): The distance from the center of a circle to any point on the circle.

Example: The radius of a circle with diameter 10 is 10 / 2 = 5.

这些数学术语覆盖了基础的数学概念,帮助你更好地理解和应用数学知识。通过熟练掌握这些术语,并在实际问题中灵活运用,你将能够更轻松地解决数学难题,提高数学能力。