- Definition
A rhombus is a four-sided shape where all sides are the same length, like a diamond.
The diamond shape on a playing card is a rhombus because all four of its sides are equal.
How to teach this in 30 seconds
Try this analogy: A rhombus is like a kite shape, with four straight sides that are all the same length.
Ask your child: Where do you see a diamond shape in this room?
Common mix-up: Kids may think it's only a rhombus if it looks like a diamond. A rhombus is any flat shape with four equal sides, even if it looks like a tilted square.
Examples
- A square is a special kind of rhombus because it has four equal sides.
- The shape of a kite is often a rhombus.
rhombus is a term used in Ontario’s Kindergarten to Grade 8 curriculum.
Where this shows up
The descriptions on this page are SmartStudy’s own original, plain-language writing — not the Ministry’s wording. They are aligned to the Ontario Curriculum, © King’s Printer for Ontario. For the Ministry’s official wording, see the source link below. SmartStudy is an independent service and is not affiliated with, endorsed by, or sponsored by the Government of Ontario or the Ministry of Education. Ontario Curriculum and Resources ↗
