# Plane Figures or Shapes

Parent topic:
Geometry
• ### Open Middle: Building Parallelograms

Activity

Tim Brzezinski

• ### Finding Area by Decomposing and Rearranging: IM 6.1.2

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GeoGebra Classroom Activities

• ### Parallelograms: IM 6.1.4

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GeoGebra Classroom Activities

• ### Bases and Heights of Parallelograms: IM 6.1.5

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GeoGebra Classroom Activities

• ### Tiling the Plane: IM 6.1.1

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GeoGebra Classroom Activities

• ### Reasoning to Find Area: IM 6.1.3

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GeoGebra Classroom Activities

• ### Area of Parallelograms: IM 6.1.6

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GeoGebra Classroom Activities

• ### From Parallelograms to Triangles: IM 6.1.7

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GeoGebra Classroom Activities

• ### Area of Triangles: IM 6.1.8

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GeoGebra Classroom Activities

• ### Formula for the Area of a Triangle: IM 6.1.9

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GeoGebra Classroom Activities

• ### Bases and Heights of Triangles: IM 6.1.10

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GeoGebra Classroom Activities

• ### Polygons: IM 6.1.11

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GeoGebra Classroom Activities

• ### Parallel Lines and the Angle in a Triangle: IM 8.1.16

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GeoGebra Classroom Activities

• ### Side Length Quotients in Similar Triangles: IM 8.2.9

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GeoGebra Classroom Activities

• ### Meet Slope: IM 8.2.10

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GeoGebra Classroom Activities

• ### Estimating Areas: IM 7.3.6

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GeoGebra Classroom Activities

• ### Relating Area to Circumference: IM 7.3.8

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GeoGebra Classroom Activities

• ### Stained-Glass Windows: IM 7.3.11

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• ### Lots of Flags: IM 7.4.1

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GeoGebra Classroom Activities

• ### What is Surface Area?: IM 6.1.12

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GeoGebra Classroom Activities

• ### Nets and Surface Area: IM 6.1.14

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GeoGebra Classroom Activities

• ### More Nets, More Surface Area: IM 6.1.15

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GeoGebra Classroom Activities

• ### Distinguishing Between Surface Area and Volume: IM 6.1.16

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GeoGebra Classroom Activities

• ### Squares and Cubes: IM 6.1.17

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GeoGebra Classroom Activities