Meaning: Having a smooth, curved shape.

Part of speech: adjective

Example: The rounded edges of the table make it safer for children.

Category: Mathematics

Synonyms:

• curved
• smooth

Antonyms:

• sharp
• angular

Meaning: a particular order in which related events or things follow each other

Part of speech: noun

Example: The sequence of events was confusing.

Category: Mathematics › Order

Synonyms: order

Meaning: A mathematical term referring to a simple geometric figure or a basic form.

Part of speech: noun

Example: In geometry, a simplex can refer to a triangle.

Category: Mathematics › Geometry

Synonyms: simple figure

Meaning: A set of equations with multiple variables that are solved together.

Part of speech: noun

Example: We learned how to solve simultaneous equations in math class.

Category: Mathematics › Algebra

Synonyms: system of equations

Meaning: A mathematical function that describes the relationship between an angle and the ratio of the opposite side to the hypotenuse in a right triangle.

Part of speech: noun

Example: The sine of 30 degrees is 0.5.

Category: Mathematics › Trigonometry

Synonyms: sine function

Meaning: Numbers from 0 to 9; single-digit numbers.

Part of speech: noun

Example: He scored in single figures during the match.

Category: Mathematics › Numbers

Synonyms: single-digit numbers

Meaning: The number after five and before seven.

Part of speech: noun

Example: There are six apples in the basket.

Category: Mathematics › Numbers

Synonyms: half a dozen

Meaning: Multiplied by six times.

Part of speech: adjective

Example: The profits increased six-fold this year.

Category: Mathematics › Multiplication

Synonyms: six times

Meaning: The number after fifteen and before seventeen.

Part of speech: noun

Example: She turned sixteen last week.

Category: Mathematics › Numbers

Synonyms: sixteen

Meaning: The ordinal number corresponding to sixteen.

Part of speech: adjective

Example: She finished in sixteenth place.

Category: Mathematics › Ordinal Numbers

Meaning: The ordinal number corresponding to the number six.

Part of speech: adjective

Example: He was the sixth person to arrive.

Category: Mathematics › Ordinal Numbers

Synonyms: 6th

Meaning: The number after fifty-nine and before sixty-one.

Part of speech: noun

Example: There are sixty minutes in an hour.

Category: Mathematics › Numbers

Synonyms: 60

Meaning: A perfectly round three-dimensional object.

Part of speech: noun

Example: The Earth is not a perfect sphere.

Category: Mathematics › Geometry

Synonyms: globe

Meaning: Having the shape of a sphere.

Part of speech: adjective

Example: The ball is spherical and rolls easily.

Category: Mathematics › Geometry

Synonyms: round

Meaning: An object that is similar to a sphere but not perfectly round.

Part of speech: noun

Example: The planet is an oblate spheroid.

Category: Mathematics › Geometry

Synonyms: ellipsoid

Meaning: A curve that winds around a central point.

Part of speech: noun

Example: The staircase had a beautiful spiral design.

Category: Mathematics › Geometry

Synonyms: helix

Meaning: Abbreviation for square, often used in measurements.

Part of speech: abbreviation

Example: The area of the room is 20 Sq meters.

Category: Mathematics

Meaning: Abbreviation for square, often used in measurements.

Part of speech: abbreviation

Example: The area of the room is 20 Sq meters.

Category: Mathematics

Meaning: A shape with four equal sides and four right angles.

Part of speech: noun

Example: The table is in the shape of a square.

Category: Mathematics

Synonyms:

• quadrilateral
• rectangle

Meaning: A number that produces a specified quantity when multiplied by itself.

Part of speech: noun

Example: The square root of nine is three.

Category: Mathematics

Synonyms: radical

Meaning: Raised to the second power in mathematics.

Part of speech: adjective

Example: Four squared is sixteen.

Category: Mathematics

Synonyms:

• raised
• multiplied

Meaning: A set that is part of a larger set.

Part of speech: noun

Example: The group of students is a subset of the entire class.

Category: Mathematics

Synonyms:

• division
• segment

Meaning: To be the base or support of something, especially in geometry.

Part of speech: verb

Example: The line subtends an angle at the center of the circle.

Category: Mathematics

Synonyms:

• support
• underlie

Meaning: To take away a number or amount from another.

Part of speech: verb

Example: If you subtract 5 from 10, you get 5.

Category: Mathematics

Synonyms:

• deduct
• take away

Antonyms:

• add
• increase

Meaning: The total amount resulting from the addition of two or more numbers.

Part of speech: noun

Example: The sum of 2 and 3 is 5.

Category: Mathematics

Synonyms:

• total
• amount

Meaning: The final total after all additions have been made.

Part of speech: noun

Example: The sum total of the expenses was higher than expected.

Category: Mathematics

Synonyms:

• total
• aggregate

Meaning: The process of adding numbers together to get a total.

Part of speech: noun

Example: The summation of the series was calculated.

Category: Mathematics

Synonyms:

• total
• sum

Meaning: An angle that, when added to another, equals 180 degrees.

Part of speech: noun

Example: The two angles are supplementary angles.

Category: Mathematics › Geometry

Meaning: A mathematical expression that cannot be simplified to remove a root.

Part of speech: noun

Example: The square root of 2 is a surd.

Category: Mathematics › Algebra

Synonyms:

• irrational number
• root

Meaning: A line that touches a curve at a single point.

Part of speech: noun

Example: The tangent to the circle was drawn carefully.

Category: Mathematics › Geometry

Synonyms:

• line
• curve

Meaning: The number following nine.

Part of speech: noun

Example: There are ten apples in the basket.

Category: Mathematics

Meaning: Increased or multiplied by ten times.

Part of speech: adjective

Example: The investment returned ten fold in just a year.

Category: Mathematics

Meaning: a mathematical object that generalizes scalars and vectors

Part of speech: noun

Example: In physics, tensors are used to describe the properties of materials.

Category: Mathematics › Algebra

Synonyms:

• matrix
• vector

Meaning: A three-dimensional shape with four triangular faces.

Part of speech: noun

Example: A tetrahedron is a type of polyhedron.

Category: Mathematics › Geometry

Synonyms: triangular pyramid

Meaning: Three out of four parts; 75%.

Part of speech: noun

Example: Three quarters of the students passed the exam.

Category: Mathematics

Meaning: Three parts out of four; 75%.

Part of speech: adjective

Example: He completed three-quarter of the project before the deadline.

Category: Mathematics

Meaning: the property of a relation where if A relates to B and B relates to C, then A relates to C

Part of speech: noun

Example: Transitivity is an important concept in mathematics.

Category: Mathematics

Synonyms:

• relation
• connection

Meaning: a four-sided shape with at least one pair of parallel sides

Part of speech: noun

Example: The trapezium is a common shape in geometry.

Category: Mathematics

Synonyms:

• trapezoid
• quadrilateral

Meaning: a four-sided figure with at least one pair of parallel sides

Part of speech: noun

Example: In the USA, a trapezoid is defined as a quadrilateral with at least one pair of parallel sides.

Category: Mathematics

Synonyms:

• trapezium
• quadrilateral

Meaning: A unit of measurement equal to three meters.

Part of speech: noun

Example: The tri meter is useful for measuring short distances.

Category: Mathematics › Measurement

Synonyms: three-meter