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📐 Class 9 · Kerala SCERT

Mathematics ഗണിതം

10 chapters · 143 lessons · 420+ animations. Every chapter starts from the basics, explains each idea with animations, solves every textbook question and ends with a model test.

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Part 1
x,y
Chapter 1
Pairs of Equations
സമവാക്യജോടികൾ
Not started
Two unknowns, two facts: mental shortcuts, substitution and elimination.
14 lessons
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√2
Chapter 2
New Numbers
പുതിയ സംഖ്യകൾ
Not started
The diagonal of a unit square is not a fraction: √2, √3 and their decimals.
14 lessons
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∥
Chapter 3
Parallel Lines
സമാന്തരവരകൾ
Not started
Dividing lines equally and in ratios, the midpoint theorem, centroid and orthocentre.
15 lessons
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✖
Chapter 4
Multiplication Identities
ഗുണനസമവാക്യങ്ങൾ
Not started
(x + y)(u + v) as a picture, mental multiplication and number puzzles explained.
14 lessons
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√
Chapter 5
Irrational Numbers
അഭിന്നകഗുണനം
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Multiplying and dividing square roots, areas of triangles and Heron’s formula.
14 lessons
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△
Chapter 6
Similar Triangles
സദൃശത്രികോണങ്ങൾ
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Same shape, different size: angles, sides, scale factors and real-world uses.
14 lessons
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±
Chapter 7
Negative Numbers
ന്യൂനസംഖ്യകൾ
Not started
Adding, subtracting, multiplying and dividing negatives, built from moves on a line.
14 lessons
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Part 2
π
Chapter 8
Measures of Circles
വൃത്തങ്ങളുടെ അളവുകൾ
Not started
Circumference and area of circles from polygons: π, c = 2πr and πr².
14 lessons
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|x|
Chapter 9
Real Numbers
രേഖീയസംഖ്യകൾ
Not started
All numbers on one line: absolute value, distances |x − y| and midpoints ½(x + y).
15 lessons
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x²
Chapter 10
Polynomials
ബഹുപദങ്ങൾ
Not started
Measurements as rules in x: p(x) = 4x + 10, x² + 5x + 6, degree and coefficients.
15 lessons
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Chapter 11 · Parts of Circles
coming soon
Chapter 12 · Prisms
coming soon
Chapter 13 · Polynomial Graphs
coming soon
Chapter 14 · Proportion
coming soon
Chapter 15 · Statistics
coming soon

🧪 Exam corner

Revise a whole chapter on one page, then try its printable 40-mark model paper. The solved paper follows each test.

📝 Annual examination papers · all chapters · 60 marks · 2 hours

Full model papers for the annual exam: print the question paper and the separate step-by-step answer key, or practise online with a timer and get a score.

All sets ▶Set 1 paperSet 1 onlineSet 2 paperSet 2 onlineSet 3 paperSet 3 online
Ch 1 · Pairs of Equations📝 Revision🧪 Model test
Ch 2 · New Numbers📝 Revision🧪 Model test
Ch 3 · Parallel Lines📝 Revision🧪 Model test
Ch 4 · Multiplication Identities📝 Revision🧪 Model test
Ch 5 · Irrational Numbers📝 Revision🧪 Model test
Ch 6 · Similar Triangles📝 Revision🧪 Model test
Ch 7 · Negative Numbers📝 Revision🧪 Model test
Ch 8 · Measures of Circles📝 Revision🧪 Model test
Ch 9 · Real Numbers📝 Revision🧪 Model test
Ch 10 · Polynomials📝 Revision🧪 Model test

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Interactive, animated self-study guides that follow the Kerala SCERT textbook. Every page works offline in any modern browser.