What is a Line in Geometry?| Maths Grade 5 | Learning Concepts
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Points and Lines

In this concept, the students will learn about class 2 points and lines. They will learn about the types of lines. Also, they will learn about slant lines and curved lines.

In this learning concept, the students will learn:

  • What is horizontal line?
  • What is straight line?
  • What is vertical line?

Each concept is explained to class 2 maths students using illustrations, examples, and mind maps. You can assess your learning by solving the two printable worksheets at the pages’ end.
Download the addition worksheet for class 2 and check the solutions for the concept of addition provided in PDF format.


In simple language, it can be said that a line is a long and thin mark. It can be seen easily as the length of a table, the length of pipes or trees, loose skipping ropes, etc.

line image

There are two types of lines that can be seen in our surroundings.

  • Straight Lines
  • Curved Lines

What is straight Line?

A straight line is just a line with no curves. Fold a paper sheet in half. If we run a pencil along the fold from the top to the bottom, then we get a straight line.

straight-line image

A straight line can be drawn in three ways.

  • Horizontal lines (also called Sleeping lines)
  • Vertical lines (also called Standing lines)
  • Slant lines

What is horizontal Lines or Sleeping Lines:

These lines can be seen from the edge of a diary, brick, eraser, etc.

sleeping-line image

What is vertical Lines or Standing Lines:

These lines can be formed from the edges of the stems of trees, wickets, buildings, etc.

vertical-line image

Slant Line:

These lines can be seen in the staircase, roof of huts, etc.

slant-line image

Curved Lines

A line with the curve is called a curved line. These lines can be seen easily in ropes, skipping rope, rope bridges, arch of windows, etc.

curved line


A point is a dot or a full stop. In real life, we can see that four leaves meet at one dot. This dot is said to be a point. A Point can be easily seen in road junctions also.

point image

G2_8_Lines and point_Did you know

G2_9_Lines and point_Mind map
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