Recent Updates/Additions

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General Pages Advanced Pages

First Digits Rule

Scalar Vector Matrix

Set Symbols

Interactive Polygons

Zoomable Number Line

Rounding Methods

Rounding Tool

Quadratic Equation Graph

Order of Operations Calculator

Equation Grapher

Learning Mathematics

The Language of Mathematics

Dividing by Zero

Fundamental Theorem of Arithmetic

Intervals

Unit Price and Unit Price Game

Pouring Liquid (Volume Estimation)

Tens Complement and What Makes 10?

Fix the Equation (Game)

Geometric Constructions

Welcome to Mathematics

Count to a Billion

Smart Blocks

"Interactives" Index

Games: In Order, Coding, and Mazes

Trigonometry

Interactive Triangles

Inequalities and Solving Inequalities

Word Questions

Comparing Numbers

Fun with patterns:

Cardinal, Ordinal and Nominal Numbers

Numbers, Numerals and Digits

Equal, Less and Greater Than (updated)

Fractions on the Number Line

Polynomials

Adding and Subtracting Polynomials,
Multiplying Polynomials and Dividing Polynomials

Common Denominator

Subtraction by Regrouping

Multiplying Decimals Animations and Dividing Decimals Animations

Long Multiplication

Circle Sector and Segment

Symmetry Jigsaw Puzzles

Algebra - Expanding

Ellipse and Parabola

Adjacent Angles

Metric System of Measurement

Connect Crazy! including Connect 3D

Fill in The Missing Numbers (Counting to 100)

Interactive Fractions and Match the Fraction

Math Trainer - Multiplication, Math Trainer - Addition and Math Trainer - Subtraction

Index by Year and Subject

Interest (An Introduction) and Compound Interest

Investment Graph

Area of Irregular Polygons

Circle and Unit Circle

Base Conversion

What is Infinity?

Interactive Quadrilaterals

Elementary Math Games

Random Words

Reaction Math and Speed Math (games)

Illustrated Math Dictionary

Cross Multiply

Golden Ratio

Pentagram

Division

Spiral Artist

The Mean Machine

Money Master Game

Analog and Digital Clocks Animation

Cuboids / Rectangular Prisms

Herons Formula

Choose the Larger Block Game

Make a Bar Graph

Function Grapher and Calculator

Binary Digits

Hexadecimal Colors

Cartesian Coordinates

Steradian

Quincunx

Binary, Decimal, Hexadecimal Converter

How to Add and Subtract Positive and Negative Integers

Divisibility Rules

Percentage Calculator

Percentage Difference

Solving Inequality Word Questions

Calculus Index

Vectors

Vector Calculator

College Algebra / Algebra 2

Solving Equations

Binomial Theorem

Complex Numbers

Is It Irrational?

The Evolution of Numbers

What is a Function?

Domain, Range and Codomain

Introduction to Derivatives

Introduction to Limits

Regular Polygons - Properties

Nature, The Golden Ratio and Fibonacci Numbers

Common Number Sets

Algebraic Number

Transcendental Numbers

Euler's Formula

Platonic Solids - Why Five?

Power Sets

Combinations and
Permutations

Combinations and
Permutations Calculator

Introduction to Sets

Introduction to Groups

Completing the Square

Derivation of Quadratic Formula

Prime Numbers - Advanced

Pythagorean Triples - Advanced