Plane: When a set of points join together to form a flat surface that extends in all directions, this is called a plane. Unit: A standard quantity used in measurement. The center of a bell curve contains the highest value points. Proper Fraction: A fraction whose denominator is greater than its numerator. Quartic: A polynomial having a degree of 4. Fraction: A quantity that is not whole that contains a numerator and denominator. See Section 17.2.2: Reading and Writing Open Sentences. Illustrated Mathematics Dictionary. The fraction representing half of 1 is written as 1/2. Add up a series of numbers and divide the sum by the total number of values to find the average. Hyperbola: A type of conic section or symmetrical open curve. Add up a series of numbers and divide the sum by the total number of values to find the mean. Area: The two-dimensional space taken up by an object or shape, given in square units. The odds of flipping a coin and having it land on heads are one in two. Inches and centimeters are units of length, pounds and kilograms are units of weight, and square meters and acres are units of area. Conic Section: The section formed by the intersection of a plane and cone. Math.com is dedicated to providing revolutionary ways for students and parents to learn math. Complementary Angles: Two angles that together equal 90°. Line: A straight infinite path joining an infinite number of points in both directions. Like Terms: Terms with the same variable and same exponents/powers. We are provide free online math dictionary for kids and also providing free solved math problems with step-by-step solutions on Elementary, Middle, High School Math content. Multiplication: Multiplication is the repeated addition of the same number denoted with the symbol x. A Maths Dictionary for Kids Quick Referenceis a device friendly html versionwith definitions and detailed examples for over 955 math words and terms. Weight: The measure of how heavy something is. These glossaries may be downloaded, printed and disseminated to educators, parents and ELLs/MLLs. "0, 1, 1, 2, 3, 5, 8, 13, 21, 34..." is a Fibonacci sequence. Isometric Paper, Math Charts, Grids, Graph Paper, How to Determine the Geometry of a Circle, Fifth Grade Math - 5th Grade Math Course of Study. The factors of 10 are 1, 2, 5, and 10 (1 x 10, 2 x 5, 5 x 2, 10 x 1). License. For example, in the equation 5 y+ 3k= 8, the terms are 5 y, 3 k,and 8. Tree Diagram: Used in probability to show all possible outcomes or combinations of an event. These glossaries are to provide permitted testing accommodations of ELL/MLL students.They should also be used for instruction during the school year. Cone: A three-dimensional shape with only one vertex and a circular base. Equilateral: A term used to describe a shape whose sides are all of equal length. term (1) In an algebraic expression,a number or a product of a number and one or more variables. Example 3 1/2 or 3.5. The 8 is a constantterm, or simply a constant,because it has no variable part. For example, x is the coefficient in the expression x(a + b) and 3 is the coefficient in the term 3y. Polygon: Line segments joined together to form a closed figure. Perimeter: The total distance around the outside of a polygon. Whether students need high school math help or introduction to college math terms… Browse the definitions using the letters below, or use the Search above. Trapezoid: A quadrilateral with exactly two parallel sides. VocabularySpellingCity has selected level-appropriate academic vocabulary from all strands of high school math, including geometry, algebra, trigonometry, calculus, statistics and probability. Angle Bisector: The line dividing an angle into two equal angles. Logic: Sound reasoning and the formal laws of reasoning. Quadrant: One quarter (qua) of the plane on the Cartesian coordinate system. This distance is obtained by adding together the units of measure from each side. The overlapping section contains information that is true of both sides or sets and the non-overlapping portions each represent a set and contain information that is only true of their set. Hypotenuse: The longest side of a right-angled triangle, always opposite to the right angle itself. Number Line: A line whose points correspond to numbers. The following games are among the most popular and recommended for high school students. Bell Curve: The bell shape created when a line is plotted using data points for an item that meets the criteria of normal distribution. Term: Piece of an algebraic equation; a number in a sequence or series; a product of real numbers and/or variables. Sector: The area between an arc and two radii of a circle, sometimes referred to as a wedge. Improper Fraction: A fraction whose denominator is equal to or greater than the numerator, such as 6/4. Parallelogram: A quadrilateral with two sets of opposite sides that are parallel. Denominator: The bottom number of a fraction. A product is obtained by multiplying two or more multiplicands. Absolute Value : Always a positive number, absolute value refers to the distance of a number from 0. For instance, 12 x 12 or 12 squared is 144, so the square root of 144 is 12. This is often remembered with acronyms BEDMAS and PEMDAS. Attribute: A characteristic or feature of an object—such as size, shape, color, etc.—that allows it to be grouped. Modular Arithmetic: A system of arithmetic for integers where numbers "wrap around" upon reaching a certain value of the modulus. Slope: Slope shows the steepness or incline of a line and is determined by comparing the positions of two points on the line (usually on a graph). The exponent of 34 is 4. Inequality: A mathematical equation expressing inequality and containing a greater than (>), less than (<), or not equal to (≠) symbol. Box and Whisker Plot/Chart: A graphical representation of data that shows differences in distributions and plots data set ranges. Common Factors: A factor shared by two or more numbers, common factors are numbers that divide exactly into two different numbers. Right Triangle: A triangle with one right angle. Probability: The likelihood of an event happening. This is a glossary of common mathematical terms used in arithmetic, geometry, algebra, and statistics. A vertex is where two-dimensional sides or three-dimensional edges meet. Operation: Refers to addition, subtraction, multiplication, or division. 2.5 cm is approximately equal to an inch. Example: 88 divided by 33 equals 2.6666666666666...("2.6 repeating"). 4 x 3 is equal to 3 + 3 + 3 + 3. Flip: A reflection or mirror image of a two-dimensional shape. Chord: A segment joining two points on a circle. Knot: A closed three-dimensional circle that is embedded and cannot be untangled. Volume: A unit of measure describing how much space a substance occupies or the capacity of a container, provided in cubic units. Centimeter: A metric unit of measurement for length, abbreviated as cm. Midpoint: A point that is exactly halfway between two locations. Line of Symmetry: A line that divides a figure into two equal shapes. Factorial Notation: Often used in combinatorics, factorial notations requires that you multiply a number by every number smaller than it. Tangent: A straight line touching a curve from only one point. The math vocabulary lists are based on the Common Core High School Math Standards. Venn Diagram: A Venn diagram is usually shown as two overlapping circles and is used to compare two sets. Y-Intercept: The value of y where a line or curve intersects the y-axis. Addend: A number involved in an addition problem; numbers being added are called addends. Difference: The difference is the answer to a subtraction problem, in which one number is taken away from another. One furlong is approximately 1/8 of a mile, 201.17 meters, or 220 yards. High school math teachers may choose to import these advanced math vocabulary lists into their own accounts and edit or augment them. Circumference: The complete distance around a circle or a square. You can import the word lists into your account and use with any of our 35+ activities. Yard: A unit of measure that is equal to approximately 91.5 centimeters or 3 feet. Quadruple: To multiply or to be multiplied by 4. Whole Number: A whole number is a positive integer. With over 2000 terms defined, this dictionary is ideal for supporting students who are studying mathematics or related subjects. Evaluate: This word means "to calculate the numerical value". Coefficient: A letter or number representing a numerical quantity attached to a term (usually at the beginning). Transversal: A line that crosses/intersects two or more lines. Graph Theory: A branch of mathematics focused on the properties of graphs. Vertex: The point of intersection between two or more rays, often called a corner. + 123 456 78910 info@icoachmath.com Angle: Two rays sharing the same endpoint (called the angle vertex). Play Vocabulary TestMe with a high school science list. Example: in the expression 3x + y, both y and x are the variables. Order of Operations: A set of rules used to solve mathematical problems in the correct order. Composite Number: A positive integer with at least one factor aside from its own. Challenges for French/Haitian Creole-Speaking ELLs, Efficacy Study: Help Students Build Reading Comprehension, VocabularySpellingCity Acquires WriteSteps, White Paper on Effective Vocabulary Instruction.