Perpendicular: Two lines or line segments intersecting to form a right angle. Evaluate: This word means "to calculate the numerical value". Hyperbola: A type of conic section or symmetrical open curve. 4 x 3 is equal to 3 + 3 + 3 + 3. Ratio: The relationship between two quantities. Sign up. When you see x!, the factorial of x is needed. The symbol used in factorial notation is ! Math is the science of numbers. Parts of a House: English Vocabulary for Different Parts of a House! Improper Fraction: A fraction whose denominator is equal to or greater than the numerator, such as 6/4. "Math Terms" Diameter: A line that passes through the center of a circle and divides it in half. Protractor: A semi-circle device used for measuring angles. A vertex is where two-dimensional sides or three-dimensional edges meet. BEDMAS or PEMDAS Definition: An acronym used to help people remember the correct order of operations for solving algebraic equations. can be equal to its value, examples being π and e. For example, √2 is irrational but not transcendental because it is the solution to the polynomial x2 = 2. transfinite numbers: cardinal numbers or ordinal numbers that are larger than all finite numbers, yet not necessarily absolutely infinite, triangular number: a number which can be represented as an equilateral triangle of dots, and is the sum of all the consecutive numbers up to its largest prime factor – it can also be calculated as n(n + 1)⁄2, e.g. "url": "https://www.spellingcity.com/math-vocabulary.html", Illustrated Mathematics Dictionary. Math Vocabulary! "learningResourceType": "Spelling List", Plane: When a set of points join together to form a flat surface that extends in all directions, this is called a plane. "author": "VocabularySpellingCity", the “one’s place”, “ten’s place”, “hundred’s place”, etc, Platonic solids: the five regular convex polyhedra (symmetrical 3-dimensional shapes): the tetrahedron (made up of 4 regular triangles), the octahedron (made up of 8 triangles), the icosahedron (made up of 20 triangles), the cube (made up of 6 squares) and the dodecahedron (made up of 12 pentagons), polar coordinates: a two-dimensional coordinate system in which each point on a plane is determined by its distance r from a fixed point (e.g. These hundreds of academic vocabulary lists, comprised of thousands of key math terms, can be used with over thirty-five of VocabularySpellingCity’s learning activities. This distance is obtained by adding together the units of measure from each side. ] Translation: A translation, also called a slide, is a geometrical movement in which a figure or shape is moved from each of its points the same distance and in the same direction. 2.5 children), exponentiation: the mathematical operation where a number (the base) is multiplied by itself a specified number of times (the exponent), usually written as a superscript an, where a is the base and n is the exponent, e.g. Modular Arithmetic: A system of arithmetic for integers where numbers "wrap around" upon reaching a certain value of the modulus. the distance between the curve and the line approaches zero, axiom: a proposition that is not actually proved or demonstrated, but is considered to be self-evident and universally accepted as a starting point for deducing and inferring other truths and theorems, without any need of proof, base n: the number of unique digits (including zero) that a positional numeral system uses to represent numbers, e.g. Supplementary Angles: Two angles are supplementary if their sum is equal to 180°. "0, 1, 1, 2, 3, 5, 8, 13, 21, 34..." is a Fibonacci sequence. The language of mathematics is the system used by a mathematician to communicate mathematical ideas among themselves. 2, 4, 6, and 8 are multiples of 2. -743, -1.4, -√5 (but not √-1, which is an imaginary or complex number), non-commutative algebra: an algebra in which a x b does not always equal b x a, such as that used by quaternions, non-Euclidean geometry: geometry based on a curved plane, whether elliptic (spherical) or hyperbolic (saddle-shaped), in which there are no parallel lines and the angles of a triangle do not sum to 180°, normal (Gaussian) distribution: a continuous probability distribution in probability theory and statistics that describes data which clusters around the mean in a curved “bell curve”, highest in the middle and quickly tapering off to each side, number line: a line on which all points correspond to real numbers (a simple number line may only mark integers, but in theory all real numbers to +/- infinity can be shown on a number line), number theory: the branch of pure mathematics concerned with the properties of numbers in general, and integers in particular, ordinal numbers: an extension of the natural numbers (different from integers and from cardinal numbers) used to describe the order type of sets i.e. Math Definitions: Basic Operations . Math Vocabulary! Inches and centimeters are units of length, pounds and kilograms are units of weight, and square meters and acres are units of area. Illustrated Mathematics Dictionary. Choose 46 MATH WORD LIST at grade level: The words in CAPITAL letters (18) are used in six interactive vocabulary games at www.myvocabulary.com. So, from equations to word problems, for a math operation to be worth solving, the need for a solution must have real-life implications to which students can relate. Quadrant: One quarter (qua) of the plane on the Cartesian coordinate system. Similar to a histogram, stem and leaf graphs organize intervals or groups of data. Indeed, words are the key that can unlock the secret to numbers! Prefixes and Suffixes in English! Tree Diagram: Used in probability to show all possible outcomes or combinations of an event. Y-Intercept: The value of y where a line or curve intersects the y-axis. Math Vocabulary! Kilometer: A unit of measure equal to 1000 meters. An example is the word “right” which when referring to an angle has a very specific mathematical meaning. Another 18 words appear in vocabulary interactive puzzles. VocabularySpellingCity has compiled comprehensive math vocabulary lists to make those tricky math words, a snap! Base: The bottom of a shape or three-dimensional object, what an object rests on. Quadruple: To multiply or to be multiplied by 4. You may start out learning addition and subtraction in math, and then end up years later tackling multivariable implicit differentiation problems. Flip: A reflection or mirror image of a two-dimensional shape. Variable: A letter used to represent a numerical value in equations and expressions. – The diameter measures twice the radius. If nx = a, the logarithm of a, with n as the base, is x. Logarithm is the opposite of exponentiation.

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