Flat vs Solid Shapes
Distinguish two-dimensional (flat) shapes from three-dimensional (solid) shapes
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Teaching Table
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“Does your child understand the difference between a flat shape like a square and a solid shape like a cube — and can they sort everyday objects into flat or solid?”
Full guide and materials
- Activity. Distinguish two-dimensional (flat) shapes from three-dimensional (solid) shapes
What to notice. Sort shapes into 'flat' and 'solid' groups • Explain that a circle is flat but a sphere is solid • Identify whether a given shape is 2-D or 3-D
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1 approach
Does your child understand the difference between a flat shape like a square and a solid shape like a cube — and can they sort everyday objects into flat or solid?
Distinguish two-dimensional (flat) shapes from three-dimensional (solid) shapes
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Check understanding
- Sort shapes into 'flat' and 'solid' groups
- Explain that a circle is flat but a sphere is solid
- Identify whether a given shape is 2-D or 3-D
“Does your child understand the difference between a flat shape like a square and a solid shape like a cube — and can they sort everyday objects into flat or solid?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Geometry
- Age range
- Ages 5–6
Standards