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 (age 9+)

Mathematics · Geometry · conceptual

Identify 3-D shapes, including cubes and other cuboids, from 2-D representations

What mastery looks like

Identify a cuboid from its net
Name the 3-D shape shown in an isometric drawing
Match 2-D representations to the correct 3-D shape

Check your understanding

If you show 3-D shapes (age 9+) a flat architect's sketch of a box or a pyramid, can they tell you the name of the 3-D shape it represents?

Prerequisites

Required first

2-D shapes (age 7+)
Nets of 3-D Shapes

Unlocks (2 directly)

Rock layers and Earth's history
3-D shapes (age 11+)
3-D shapes (age 10+)

Knowledge-graph map

3-D shapes (age 9+)

What mastery looks like

Check your understanding

Prerequisites

Unlocks (2 directly)