Class 3 (ICSE) • MathematicsChapter 8: Geometry - Lines and Shapes⭐ Topic 1
Geometry - Lines and Shapes
Geometry helps us understand lines, like straight and curved lines, and shapes, like triangles and squares, and their properties.
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Know it
Step 1 of 3
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See the pattern
Step 2 of 3
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Try it out
Step 3 of 3
Fun picture
Try it now
Learn the idea step by step
1
Know it
A straight line goes directly from one point to another without bending, while a curved line bends or curves.
2
See the pattern
Shapes are made using lines - a triangle has three straight sides, and a square has four equal straight sides.
Quick revision
Remember these!
- A straight line goes directly, without bending.
- A curved line bends or curves.
- A triangle has three straight sides.
- A square has four equal straight sides.
- Corners are called vertices.
- Vertices are where two lines meet.
- Lines make up shapes.
- Understanding shapes helps recognise objects.
Words to know
geometry - lines and shapesicse class 3