Use of Coordinates Class 9 PPT & Notes – Ganita Manjari Ch 1

Class 9 Maths Ganita Manjari Chapter 1 – Orienting Yourself: The Use of Coordinates PPT & Notes

Download the complete Orienting Yourself: The Use of Coordinates Class 9 PPT (18 slides) with notes, free from Unique Study Point. Covers the full Chapter 1 of the new NCERT Ganita Manjari textbook (Session 2026-27)—no login, no sign-up needed.

What this Class 9 Maths PPT covers:

The 2-D Cartesian plane, the x-axis and y-axis, the origin, the four quadrants and their signs, plotting points step by step, the distance formula, the reflection of points in the y-axis, and the midpoint formula.

Reiaan\'s Room—the NCERT activity fully solved

The complete Reian’s room mapping activity from Exercise Set 1.1 and 1.2—door widths, wheelchair accessibility, the study table’s fourth foot, and the bathroom layout—all worked out on the coordinate plane.

India\'s contribution to coordinate geometry

The Sindhu-Sarasvati city grids, Ujjayini as the zero meridian, the Baudhayana-Pythagoras theorem behind the distance formula, Aryabhata\'s sky mapping, and Brahmagupta\'s zero are the historical topics now asked in case-based questions.

Also useful for exam practice

The slides support Exercise Set 1.1, 1.2, and all 16 end-of-chapter questions, including the starred problems on collinearity, midpoint, trisection, and circles.

Why Unique Study Point is different:

We are the only site giving you a ready-made 18-slide presentation for this chapter—not just notes. Students revise faster; teachers teach directly. 100% free, no login, no sign-up.

More Free Class 9 Maths PPTs

Continue with our Linear Polynomials Class 9 PPT (Chapter 2) and World of Numbers Class 9 PPT (Chapter 3)—both free, no login.