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  • Stretching and Shrinking
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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

  • Demo: 2 applets communicating
  • G_10.04 Parallel and perpendicular lines_1b
  • Demo: Applet communication using JavaScript
  • G_3.01 Triangles and angles_2
  • Demo: dashed trace

Discover Resources

  • Cercle trigonométrique
  • Άθροισμα Ακεραίων
  • تعين نقطه في الفراغ
  • Prop 4
  • Unit 1 Scavenger Hunt

Discover Topics

  • Sequences and Series
  • Matrices
  • Quadratic Equations
  • Geometric Mean
  • Exponent

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