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

  • Angle Addition Postulate (V2) - Integer Solutions
  • Isosceles Right Triangle
  • Squaring a Rectangle (PST Version)
  • Squares Question
  • Rovnoběžnost rovin

Discover Resources

  • Декартов лист
  • Rotationing a Right Triangle
  • TRACE PATTERN
  • Estimate Side and Angles of Right Angled Triangles
  • Yatko interesting properties 3

Discover Topics

  • Quadratic Functions
  • Triangles
  • Trigonometry
  • Dilation
  • Cone
AboutPartnersHelp Center
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®