Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. The Shadow Knows: IM 8.2.13
    1. Lesson 8.2.13

    The Shadow Knows: IM 8.2.13

    Author:GeoGebra Classroom Activities, IM 6 – 8 Math
    Topic:Algebra, Dilation, Geometry, Linear Equations, Similar Triangles, Similarity Transformation or Similarity
    “The Shadow Knows” from IM Grade 8 by Open Up Resources and Illustrative Mathematics. Licensed under the Creative Commons Attribution 4.0 license.

    Lesson 8.2.13

    • IM 8.2.13 Lesson: The Shadow Knows

    Next
    IM 8.2.13 Lesson: The Shadow Knows

    New Resources

    • 巧算長方形周界
    • Nikmati Keunggulan Di Bandar Judi Terpercaya
    • Parallel Lines and Angles: Thinking Classroom Exploration
    • bewijs stelling van Pythagoras
    • Assistants (custom GPTs or Gemini Gems) for Math

    Discover Resources

    • Properties of Parallel Lines
    • Altitudetir
    • Tangent Curve - Forum Example
    • Usama
    • Properties of kites
    • Group law on a parabola

    Discover Topics

    • Vectors 2D (Two-Dimensional)
    • General Quadrilateral
    • Sequences and Series
    • Optimization Problems
    • Subtraction
    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®