IMAS Junior · Selected Topics
Junior · Grades 7–8. 10 topics · 50 step-by-step examples · 10 Mocks, each with 15 questions / 30 minutes. Learn an idea, solve again, then practise with real problems.
Expressions and Equations
Ratios, Averages and Motion Models
Divisibility, Primes, Divisors and Integer Solutions
Digits, Remainders and Powers
Angles, Triangles and Auxiliary Lines
Lengths, Areas and Similar Triangles
Circles, Cyclic Quadrilaterals and Tangents
Conditional Counting and Probability
Sequences, Recurrences and Periodicity
Logic, Invariants and Extremal Problems