I nailed it Mr. Nelson #12

Author:: nelsone

The medians of any triangle meet at a single point called the CENTROID. (The median of a triangle is a line segment from a vertex to the midpoint of the opposite side.)

New Resources

Open Middle: Systems of Linear Equations Exercises
Open Middle: Two Way Table (2)
Perfect Squares 1-30
Open Middle: Ambiguous Case Setups
Lissajous Curves

Discover Resources

Artful Guessing
Introduction lesson
Shirkhande Locked
Congruent Triangles 4
Iteration with cobweb/staircase diagram

Discover Topics

Standard Deviation
Cube
Optimization Problems
Logarithmic Functions
Incircle or Inscribed Circle