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GeoGebraGeoGebra Lesson

Explore Geometric Shapes – Interactive Applet

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?

How many circles can you see?

How many squares can you see?

How many rectangles can you see?

How many shapes in total are there?

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?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

Which shape has NO straight sides at all?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

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

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

A triangle always has how many corners (vertices)?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

Which shape has 4 equal sides AND 4 right angles?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (3)

What do a square and a rectangle have in common?

Wähle alle richtigen Antworten aus
  • A
  • B
  • C
  • D
Antwort überprüfen (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.