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  • Algebra
    • Multiplying Signed Numbers
    • linear equations
    • Cubes and Cube Roots
    • Constant Rate
    • Covariation Tool
    • The Box
    • Line of Best Fit
    • Quadratic as Sum
    • Polynomial Parameters
    • Perpendicular Slopes
    • Function Symmetry
    • Factors and Zeros
    • Basketball
  • Geometry
    • Circle Area
    • Packing Cubes 5.MD.4
    • Packing Cubes 6.G.2
    • Area of a Kite
    • Angle-Side-Side
    • Similar Triangles
    • Spinning Wheels
    • Rotating Triangles: 1/2 a Parallelogram?
    • Estimating Pi
    • Pythagorean Visualization
      • Pythagorean Wordless
      • Pythagorean and Similar Triangles
      • Pythagorean Wordless
      • Pythagorean and Similar Triangles
    • Circumference
    • Platonic Solids
    • Cylinder/Sphere
    • Cavalieri
    • Similar Triangles
    • Estimating Pi
  • Trigonometry
    • Parabola Reflection
    • Ellipse Reflection
    • Difference of Angles
    • Radius Unwrapper 2.0
    • Trig Values as Lengths
    • Sine Wave
    • Trigonometry Inverses
    • Vector Addition
    • Complex Roots
    • Complex Powers
    • Polar Plotter
    • Squine
  • Calculus
    • Delta Epsilon
    • Average Rate of Change
    • Derivative As Function
    • Accumulation
    • Taylor Polynomials
    • Riemann Sums
    • Slope Fields
    • Volume of Rotation 1
    • Fourier via circles
  • Stuff
    • Formative Conversation Starters
    • Cognitive Complexity
    • MyOpenMath & Geogebra
    • Videos
    • Standardized Test Review Samples
  • About Me
    • About Me
    • Ivory Snow
    • kc135r
    • Pat McMahon
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Trigonometry

  • Complex Powers
  • Complex Roots
  • Difference of Angles
  • Polar Plotter
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  • Radius Unwrapper
  • Radius Unwrapper 2.0
  • Sine Wave
  • Squine
  • Trig Values as Lengths
  • Trigonometry Inverses
  • Vector Addition
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