Protractor Angle Demo

Author:rcsellers

Just a quick demonstration of why there are two scales on a protractor. Many students don't seem to have a good conceptual grounding in how they should reason through which scale to use.

New Resources

Calculating Arc Length, Radius, and Central Angle
Writing and Graphing Proportional Relationships (k>0)
Midpoint Theorem Questions: Mild
Rossler's Attractor
Building Algebra Tile Models for Trinomials

Discover Resources

Parkettierung mit Davidstern / Tiling with the Star of David
alisa karpebnko 7d 7
Parallelogram Properties
Net of a cylinder
สำเนาของ Radians in Unit Circle

Discover Topics

Subtraction
Quadratic Equations
Similar Triangles
Stochastic Process or Random Process
Vectors 3D (Three-Dimensional)