CBSE 9 Math · U3
Coordinate Geometry
CBSE Class 9 Mathematics Unit III: Cartesian coordinates, grid locations, distance between two points, midpoint, collinearity, and right-triangle checks using coordinates.
Test yourself
A focused, distraction-free run through 25 multiple-choice questions. Hints if you need them; your score at the end.
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Topic 3.1
Cartesian Plane Basics
Axes, origin, ordered pairs, signs of coordinates, quadrants, and points on the axes.
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Topic 3.2
Plotting Locations and Floor Plans
Using coordinates to specify locations, compare positions, and model floor plans on a grid.
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Topic 3.3
Distance Between Two Points
Horizontal and vertical distances, the distance formula, and distance in coordinate-grid contexts.
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Topic 3.4
Midpoint and Collinearity
Finding midpoints of line segments and checking whether points lie on one straight line.
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Topic 3.5
Coordinate Geometry Applications
Using distance and midpoint to check right triangles and solve simple coordinate-grid problems.
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