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Explore Geometric Shapes – Interactive Applet

Author:switlanabobosh, Lexi Andrews, GeoGebra Translation Team German, John Williams

Task 1 – Count & Identify

Look at the shapes on the canvas. Count and answer the questions. Look carefully at all the shapes drawn below. Then answer each question and press Check.

How many triangles can you see?

Check my answer

How many circles can you see?

Check my answer

How many squares can you see?

Check my answer

How many rectangles can you see?

Check my answer

How many shapes in total are there?

Check my answer

Task 2 – Properties Quiz

Multiple-choice questions about shape properties. Read each question and choose the correct answer. Press Check after each one.

A square has how many sides?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Which shape has NO straight sides at all?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

How many right angles (90°) does a rectangle have?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

A triangle always has how many corners (vertices)?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Which shape has 4 equal sides AND 4 right angles?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

What do a square and a rectangle have in common?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Task 3 – Tangram: Assemble the Cat!

Task 4 – Draw the Shapes!

Read the shape name and description, then draw it on the canvas.

Draw a shape with 3 sides and 3 corners.

Draw a shape with 4 sides and 4 right angles.

Draw a shape with 4 equal sides and 4 right angles.

Draw a perfectly round shape with no sides.

Draw a shape with exactly 5 sides and 5 corners.

Draw a shape with 4 equal sides that looks like a diamond.

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