Math Terms

Reduced Fraction describes a part-whole, comparison, rate, scale, or financial relationship. In plain language, it gives a precise name to one useful feature of fracti...

Reduced Row Echelon Form is a standard algebraic idea for describing patterns, constraints, transformations, or solution methods. In plain language, it gives a precise...

Reference Angle is part of the language used to calculate or model direction, rotation, oscillation, and cyclic change. In plain language, it gives a precise name to o...

Reflection is a geometry or measurement concept used to describe position, form, size, motion, or spatial structure. In plain language, it gives a precise name to one ...

Reflection of a Graph is an algebraic object, rule, property, or method used to represent relationships between quantities. In plain language, it gives a precise name ...

Reflex Angle names a standard feature of figures, coordinates, transformations, solids, or measurement systems. In plain language, it gives a precise name to one usefu...

Regression is part of the mathematical language for collecting, organizing, modeling, and interpreting data. In plain language, it gives a precise name to one useful f...

Regression Line names a method, quantity, study design, or distribution used in statistical reasoning. In plain language, it gives a precise name to one useful feature...

Regular Language is part of the precise language used to study logic, discrete structures, abstract operations, or computation. In plain language, it gives a precise n...

Regular Tessellation is a geometry or measurement concept used to describe position, form, size, motion, or spatial structure. In plain language, it gives a precise na...

Related Rates names a limit, derivative, integral, series, or differential-equation idea used in mathematical analysis. In plain language, it gives a precise name to o...

Relation names a structure or procedure used with expressions, equations, functions, vectors, or matrices. In plain language, it gives a precise name to one useful fea...

Relative Frequency is part of the mathematical language for collecting, organizing, modeling, and interpreting data. In plain language, it gives a precise name to one ...

Relative Maximum names a limit, derivative, integral, series, or differential-equation idea used in mathematical analysis. In plain language, it gives a precise name t...

Relative Minimum is an analytic method or object for describing how quantities vary and how small changes accumulate. In plain language, it gives a precise name to one...

Relatively Prime describes a number, operation, pattern, or property used to reason about quantity and whole-number structure. In plain language, it gives a precise na...

Remainder Theorem is an algebraic object, rule, property, or method used to represent relationships between quantities. In plain language, it gives a precise name to o...

Repeated Addition is a number-system idea used to classify values, recognize patterns, or carry out reliable computation. In plain language, it gives a precise name to...

Repeated Subtraction describes a number, operation, pattern, or property used to reason about quantity and whole-number structure. In plain language, it gives a precis...

Repeating Decimal names a way to express or analyze relative size rather than only absolute size. In plain language, it gives a precise name to one useful feature of f...

Residual is part of the mathematical language for collecting, organizing, modeling, and interpreting data. In plain language, it gives a precise name to one useful fea...

Response Bias names a method, quantity, study design, or distribution used in statistical reasoning. In plain language, it gives a precise name to one useful feature o...

Response Variable is a data or probability concept used to describe observations, uncertainty, variation, or evidence. In plain language, it gives a precise name to on...

Return on Investment is a proportional-reasoning idea for relating quantities that may use different units or scales. In plain language, it gives a precise name to one...