Teacher Tools:

- Test Grade Calculator
- Number Line Maker - online interactive tool lets create customizable number line graphs for your classes.
- Number Line Inequality Maker create customizable inequality graphs.

- Angles
- Calculators (all calculators are free to use)
- Binary & Hexadecimal Calculator (convert between binary, hex and decimal)
- Cube Root Calculator (reduces cube roots to simplest radical form)
- Divisibility Rules Calculator
- Greatest Common Factor Calculator
- Mortgage Calculator
- Prime Factorization Calculator
- Principal Nth Root Calculator (reduces number to principal nth root)
- Square Root Calculator (reduces any number to simplest radical form)
- Quadratic Formula Calculator (solves quadratic equations)

- Charts
- Create Pie Chart with ChartMaker: make your own pie chart

- Circles
- Interactive Equation Circle (Explore standard form equation)
- S= r θ
- Interactive Central Angle and Arc of a Circle
- Inscribed Angle Demo
- Interactive Circumference
- Interactive Area of circle

- Decimal Place Value Video Game
- Distance Formula (move two points around to see the distance formula in action in real time!)
- Exponential Growth
- Fractions
- Function and Relation
- Graphs (also see charts)
- Online Graph Paper Maker (create your own graphs and save them to your computer)
- Distance vs Time Graph (explore in real time)
- Partners Activity -- Distance vs. Time Graph (real time)

- Linear Equations
- Slope
- System of Equations (drag point, manipulate system!)
- Linear Equation (interactive line with various features)

- Linear Inequality
- Ordered Pairs
- Parallel Lines Cut by a Transversal (and all the angles: corresponding, alternate interior and exterior)
- Parallelogram (fully interactive, see properties change in real time)
- Proof of the Pythagorean Theorem
- Transformations
- Reflections
- Translations
- Rations #1 (a neat trick of how to perform rotations by 90,180 or 270°)
- Rotations #2 (rotate shape by any number of degrees)

- Triangle:
- Interactive Triangle
- Interior Angle Sum Interactive Demo
- Side Length vs Angle Measure
- Exterior and Remote Interior Angles
- Law of Cosines
- Geometric Mean of Similar Right Triangles (interactive demonstration)
- Why SSA is not a Theorem of Congruence (interactive demonstration)

- Trigonometry