Understanding angles (age 8+)
Understand that shapes in different categories may share attributes defining a larger category; classify quadrilaterals (rhombuses, rectangles, squares) and draw examples of quadrilaterals not in those subcategories
Teaching approaches
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1 approach
If you show your child a square, a rectangle, and a rhombus, can they explain what makes them all quadrilaterals — and what makes each one different from the others?
Understand that shapes in different categories may share attributes defining a larger category; classify quadrilaterals (rhombuses, rectangles, squares) and draw examples of quadrilaterals not in those subcategories
Learning resources
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Explore the learning path
2 before · 5 after
This concept
Check understanding
- Explain that a square is a special rectangle and also a special rhombus
- Sort shapes into a Venn diagram: quadrilaterals vs rectangles vs squares
- Draw a quadrilateral that is not a rectangle, rhombus, or square
“If you show your child a square, a rectangle, and a rhombus, can they explain what makes them all quadrilaterals — and what makes each one different from the others?”
Curriculum record
- Type
- Conceptual
- Subject
- Mathematics
- Domain
- Geometry
- Age range
- Ages 8–9