Embedded Files
Fold and unfold nets to form solids. Play with the different dimensions of nets to change the solid. Use a net to find the surface area. Enjoy exploring GeoGebra's resources for nets!
Mess around with this pegboard. What types of triangles can you make?
How do they map onto a rectangle?
What size are the angles in different types of polygons?
Test out your ideas and enjoy the different colours and possibilities.
Explore what different cross-sections look like. Play with the different angles and perspectives to slice the prism in different ways.
Explore 3D solids and their nets. Try out other tools: compass, ruler, protractor, etc.
Interior and Exterior angles of Polygons
Interior and Exterior angles of Polygons
In this Geogebra manipulative you can explore either interior or exterior angles of polygons.
Move the vertices and then slide the slider to see how the angles come together. Answer some questions to check your understanding then scroll down to the next shape.
Maths 3D Shape Explorer
Maths 3D Shape Explorer
Animated 3D proofs for volume and surface area. Watch why formulas work - nets unfolding, pyramids fitting inside prisms - rather than just memorising them. Learn how the formulae work. Build spatial reasoning and explore.
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