Denominate Number

Denominator

Descending Order

Deviation

Difference (in Arithmetic Sequence)

Difference Between Two Numbers

Digit

Digital Product

Digital Root

Digital Sum

Dimensions of a Matrix

Discount

Distance Between Two Points on a Line

Distributive Operation

Distributive Property

Divergent Sequence

Dividend

Dividing Fractions

Dividing Real Numbers

Dividing Whole Numbers

Divisibility

Divisibility Criterion

Divisibility Rule

Divisible

Division

Division Equation

Divisor

e (constant)

Economic Function

Eleven

Equality

Equivalence Relationship

Equivalent

Equivalent Decimal Numbers

Equivalent Fractions

Eratosthenes (C. 276 BCE – C.194 BCE)

Error

Estimation

Euclidean Division

Even Number

Expanded Form

Exponent

Exponential

Exponential Notation

Exponentiation

External Composition Law

External Operation

Factor

Factor Tree

Factored Form

Factorial

Factoring

Factorization

Fibonacci Sequence

Figurate Number

Finite Sequence

Formula

Fourth Proportional

Fraction

Fraction Bar

Fraction Bar Model

Fractional Expression

Fractional Notation

Fractional Part of a Decimal Number

Frequency

GCD

Geometric Progression

Geometric Sequence

Golden Ratio

Googol

googolplex

Greatest Common Divisor

Grouping

Growth

Half

Hexagonal Number

Hundred

Identity Element

Imaginary Number

Imaginary Part of a Complex Number

Improper Fraction

Increasing Sequence

Inequality

Integer

Integral Divisor

Interest Rate

Internal Composition Law on a Set E

Internal Operation

Interpolation

Inverse

Inverse Element

Inverse of a Number

Inverse Operation

Inversely Proportional Quantities

Invertible

Investment

Irrational Number

Is Greater Than

Is Less Than

Iteration