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Sorting 2-D and 3-D shapes

PROCEDURAL
Mathematics›Geometry|Ages 6—7|ID: mt_fEuoBYw6bU

Compare and sort common 2-D and 3-D shapes and everyday objects by their properties

Mastery Evidence

  • Sort a collection of 2-D shapes by number of sides
  • Sort 3-D shapes by number of faces or whether faces are flat/curved
  • Explain criteria used to sort a group of shapes

Assessment Prompt

“Can [child] sort a collection of shapes into groups — for example, separating all the shapes with curved sides from those with only straight sides?”

Curriculum Standards1 alignment

Maths/Y2/GPS/4The national curriculum in England
Compare and sort shapes

Compare and sort common 2-D and 3-D shapes and everyday objects.

Mathematics · Key Stage 1

Prerequisites2

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  • Edges, vertices, and faces hard

    Sorting shapes requires knowing their 3-D properties

    • 3-D shapes hard

      Describing 3-D properties (edges, vertices, faces) requires knowing the shapes first

    • Nets of 3-D Shapes soft

      Counting edges, vertices, and faces is reinforced by analysing nets where each face is visible as a separate 2-D shape

    • 3-D shapes (age 5+) hard

      Formal property description extends informal analysis of shapes

      • 2-D shapes hard

        Analysing and comparing shapes requires being able to name them first

      • 3-D shapes hard

        Analysing 3-D shapes requires recognising and naming them

  • 2-D shapes (age 6+) hard

    Sorting shapes requires knowing their 2-D properties

    • Angles in triangles (age 6+) soft

      Understanding defining attributes supports describing shape properties formally

      • 2-D shapes hard

        Distinguishing defining vs non-defining attributes requires knowing common 2-D shape names first

      • 3-D shapes (age 5+) hard

        Identifying defining attributes builds on informal analysis and comparison of shapes

        • 2-D shapes hard

          Analysing and comparing shapes requires being able to name them first

        • 3-D shapes hard

          Analysing 3-D shapes requires recognising and naming them

    • 2-D shapes hard

      Describing properties of 2-D shapes (sides, symmetry) requires knowing the shapes first

    • 3-D shapes (age 5+) hard

      Formal property description extends informal analysis of sides and vertices

      • 2-D shapes hard

        Analysing and comparing shapes requires being able to name them first

      • 3-D shapes hard

        Analysing 3-D shapes requires recognising and naming them

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