Shapes and Patterns
Flat Shapes
The shapes that can be placed on a flat surface are called flat shapes. Square, rectangle, Triangle and Circle are flat shapes.This is a square.
This is a rectangle.
This is a triangle.
This is a Circle.
| Shape | Corners | Sides | Propery |
|---|---|---|---|
| Square | 4 | 4 | All 4 sides are equal. |
| Rectangle | 4 | 4 | Opposite sides are equal. |
| Triangle | 3 | 3 | Sides can have different lengths. |
| Circle | 0 | 0 | No sides or corners. |
Solid Shapes
Here is a set of solid shapes with their names
This is a cube.
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This is a sphere.
Solid shapes have faces, sides and corners.
| Shape | Corners | Edges | Faces | Propery |
|---|---|---|---|---|
| Cube | 8 | 12 | 6 | All eges are of equal length. All faces are squares. |
| Cuboid | 8 | 12 | 6 | All faces are rectangles. Opposite faces are similar in size and shape. |
| Sphere | 0 | 0 | 1 | Face is curved. |
| Cylinder | 0 | 2 | 3 | 2 circular faces. 1 curved face. |
| Cone | 1 | 1 | 2 | 1 circular face. 1 curved face. |
Strainght Lines and Curved Lines
Hold a string tightly, you will get a straight line.
Hold a string loosely, you will get a curved line.
Straight lines are of three types.
Hold a string loosely, you will get a curved line.
(i) Standing Lines
(ii) Sleeping Lines
(iii) Slanting Lines
This is a curved line
Patterns
Patterns are things that have a design that is repeated in a particular way. We can see patterns all around.
Here are some patterns for you.
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