Grades 9-10: Junior

420+ competition problems with step-by-step solutions.
Number theory, algebra, geometry, combinatorics, logic.

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Junior

Grades 9-10 Practice Material →
Number Theory
Modular Arithmetic Units Digits Divisibility rules Prime factorization CRT
Algebra
Systems of equations Vieta's formulas Symmetric functions Polynomial roots Functional equations
Sequences & Series
Telescoping sums Partial fractions Fibonacci sequences AP & GP
Combinatorics
Complement counting Pigeonhole principle Inclusion-exclusion Restricted arrangements Derangements
Inequalities
AM-GM inequality Optimization problems
Geometry
3D solids & sections Area ratios Inscribed circles
Functions & Graphs
Absolute value Floor function Graph transformations
Logic & Puzzles
Knights & knaves Invariants Clock problems Work rate problems

Practice Papers

420+ competition problems across 4 complete papers.
Every question includes a detailed solution.

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  • 4 full-length practice papers
  • Step-by-step solutions
  • Number theory, algebra, geometry, combinatorics, logic
  • Difficulty: Easy to Medium to Hard
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105 questions with solutions
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420+ questions across 4 papers
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