Education Concept Tracker

A prerequisite knowledge graph of 1590 learning concepts across 8subjects. Track what you've mastered and see exactly what you're ready to learn next — the topics whose prerequisites you've already met. Built on the Marble Open Skill Taxonomy.

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3-D shapes

Mathematics · Geometry · conceptual

Recognise and name common 3-D shapes (cubes, cuboids, pyramids, spheres, cylinders, cones)

What mastery looks like

Name a cube, sphere, cylinder, and cone when shown them
Identify 3-D shapes in the environment (e.g. a tin is a cylinder)
Recognise a cuboid and a pyramid among a set of solid shapes

Check your understanding

Can 3-D shapes name common 3-D shapes they find around them — like a tin of beans (cylinder), a ball (sphere), or a dice (cube)?

Prerequisites

None — this is a foundational concept.

Unlocks (5 directly)

Pyramids and the Great Sphinx
Flat vs Solid Shapes
Edges, vertices, and faces
Building with 3-D Shapes
2-D faces on 3-D shapes
3-D shapes (age 5+)

Knowledge-graph map

3-D shapes

What mastery looks like

Check your understanding

Prerequisites

Unlocks (5 directly)