Interactive Math activities and lessons

• Supplementary Angles
• Vertical Angles
• Corresponding, Alternate Interior and Alternate Exterior Angles

• 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)

• Create Pie Chart with ChartMaker: make your own pie chart

• 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

Below is a screen shot of the game in action. The goal of each level is to shoot the rocks in the order of the numbers on them.

• Fraction Balls 1: identify fractions in fun math game

• 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)

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

• System of Linear Inequalities

• 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)

• 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)

• Unit Circle
• Demonstration of Period & Sin(θ) & the Unit Circle