Class 7 · Chapter 13

Connecting the Dots

Coordinates, plotting points, and simple graphs.

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Ganita Prakash · Class 7 Part 2 (2026-27)

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Tip: NCERT updated the syllabus for 2026-27. The links above open the latest edition on the official portal — chapter titles and numbering may differ from the notes shown here.

Detailed theory

Two perpendicular number lines. Point's

x

-coordinate: how far right (

+

) or left (

-

y

: up (

+

) or down (

-

Key concepts & formulas

**Cartesian plane** has

x

-axis and

y

-axis meeting at origin

(0,0)

Point

P(x, y)

x

is horizontal,

y

is vertical.

Quadrants: I

(+, +)

, II

(-, +)

, III

(-, -)

, IV

(+, -)

Distance from origin to

(x, y)

\sqrt{x^2+y^2}

Simple line graphs read intersections against axes.