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Number Sense · Arithmetic

Identity Element

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

Algebra & Functions

Identity Function

Identity Function names a structure or procedure used with expressions, equations, functions, vectors, or matrices. In plain language, it gives a precise name to one u...

Algebra & Functions

Identity Matrix

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

Geometry & Measurement

Image in a Transformation

Image in a Transformation is a geometric object, measurement, relationship, or proof idea used to reason about shape and space. In plain language, it gives a precise n...

Number Sense · Arithmetic

Imaginary Number

Imaginary Number names a standard feature of numbers or arithmetic that helps organize calculation and comparison. In plain language, it gives a precise name to one us...

Algebra & Functions

Imaginary Part

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

Calculus & Change

Implicit Differentiation

Implicit Differentiation is a calculus or analysis concept used to study change, accumulation, approximation, or multivariable behavior. In plain language, it gives a ...

Fractions, Ratios & Percentages

Improper Fraction

Improper Fraction 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 us...

Geometry & Measurement

Incenter

Incenter names a standard feature of figures, coordinates, transformations, solids, or measurement systems. In plain language, it gives a precise name to one useful fe...

Statistics & Probability

Incidence

Incidence is a data or probability concept used to describe observations, uncertainty, variation, or evidence. In plain language, it gives a precise name to one useful...

Geometry & Measurement

Incircle

Incircle names a standard feature of figures, coordinates, transformations, solids, or measurement systems. In plain language, it gives a precise name to one useful fe...

Inclusion-Exclusion Principle names a structure, relation, rule, or reasoning method used with finite or countable objects. In plain language, it gives a precise name ...

Algebra & Functions

Inconsistent System

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

Algebra & Functions

Increasing Function

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

Calculus & Change

Increasing Interval

Increasing Interval names a limit, derivative, integral, series, or differential-equation idea used in mathematical analysis. In plain language, it gives a precise nam...

Calculus & Change

Indefinite Integral

Indefinite Integral 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 ...

Statistics & Probability

Independent Events

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

Algebra & Functions

Independent System

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

Calculus & Change

Indeterminate Form

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

Statistics & Probability

Index Number

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

Geometry & Measurement

Indirect Proof

Indirect Proof 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 ...

Calculus & Change

Infinite Limit

Infinite Limit is a calculus or analysis concept used to study change, accumulation, approximation, or multivariable behavior. In plain language, it gives a precise na...

Algebra & Functions

Infinite Sequence

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

Fractions, Ratios & Percentages

Inflation Rate

Inflation Rate 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 usefu...

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