Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Eastman 7th Math
    1. Stretching and Shrinking
    2. Circles

    Eastman 7th Math

    Author:Gretchen Eastman
    These activities are for my students in 7th grade math at Springville, IA.
    Eastman 7th Math

    Table of Contents

    • Stretching and Shrinking

      • Perimeter Scale Factor vs Area Scale Factor
      • Wumps
      • Missing lengths in similar triangles
      • Similar Triangles Problem
      • Shadows and Right Triangles
    • Circles

      • Rolling a circle to find pi
      • Area of a Circle
      • Parts of a Circle
    Next
    Perimeter Scale Factor vs Area Scale Factor

    New Resources

    • Squaring a Rectangle (PST Version)
    • Midpoint Theorem Questions: Mild
    • Compound Inequality Illustrator: Conjunctions and Disjunctions
    • Pythagorean Theorem: Extension Exercises
    • Isosceles Right Triangle

    Discover Resources

    • MPM1D
    • Parallelograms - 1
    • #87 Triangle, Cevians & circle
    • Cube Layer Problem
    • [洋葱] 圆与倒角:圆内角与圆外角

    Discover Topics

    • Stochastic Process or Random Process
    • Mathematics
    • Solids or 3D Shapes
    • Binomial Distribution
    • Arithmetic Mean
    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®