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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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Knowledge-graph map

Computing
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Lines of symmetry

Mathematics · Geometry · procedural

Complete a simple symmetric figure with respect to a specific line of symmetry

What mastery looks like

  • Given half a butterfly shape and a mirror line, complete the other half on a grid
  • Complete a symmetric pattern on squared paper with a vertical line of symmetry
  • Check a completed figure by folding along the mirror line

Check your understanding

If you show Lines of symmetry half a shape drawn on squared paper with a mirror line marked, can they draw the missing half so the whole shape is perfectly symmetrical?

Prerequisites

Required first

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