Lesson 6 of 10
Shapes around us
Show on a big screenA chapati is round. A book cover has corners. Count before you name a shape.
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The rule
A square corner is like the corner of a book.
- A circle has one curved line. It has no corners.
- A triangle has 3 straight edges and 3 corners.
- A square has 4 equal edges and 4 square corners.
- A rectangle has 4 straight edges and 4 square corners. Opposite edges, the ones facing each other, are equal.
A square is a special rectangle. Its four edges are all equal.
Example
A shape has 4 equal edges and 4 square corners. It is a square.
Watch out!
A square standing on one corner is still a square. The edges and corners are still the same. Turning a shape does not change it.
Try the lab to finish this lesson.