Search
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Open Middle: Distance, Midpoint, Slope (1)

Author:Tim Brzezinski
Topic:Algebra, Coordinates, Difference and Slope, Geometry
The full Open Middle activity can be found here.
Image

The problem:

The problem:

Quick (silent) demo

New Resources

  • Midpoint Theorem Questions: Mild
  • Right Triangle Inscribed in a Semicircle
  • Rotating Custom Polygons Around an Axis
  • Basic and Compound Inequality Illustrator
  • Writing and Graphing Proportional Relationships (k>0)

Discover Resources

  • Practising division
  • Dilation by a factor of a (CST Workshop)
  • Transfrmations
  • Translations Practice #2
  • квадрат

Discover Topics

  • Random Variables
  • Logarithm
  • Linear Equations
  • Rectangle
  • Polygons
AboutPartnersHelp Centre
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®