The Secrets Of The Mathematical Olympiads: 100 Progressive Challenges | Mental Math, Logic, Geometry, Puzzles | Step-By-Step Solutions | Ages 8 To 12

One Hundred Puzzles To Sharpen Young MindsA progressive workbook of olympiad-style math challenges for curious children ages 8 to 12 (Grades 3 to 6). Each of the eight chapters opens with a clear, friendly lesson packed with concrete tips and tricks, then offers a set of challenges rated from one-star warm-ups to five-star olympiad puzzles. Every challenge is solved step by step, with the classic pitfalls flagged and the smartest strategies explained.What's InsideMental math shortcuts: multiplications by 5, 9, 11, 25, divisibility, grouping, decompositionNumber patterns and mystery sequences, including Fibonacci-style and triangular numbersGeometry: perimeter, area, symmetry, counting hidden figuresEveryday word problems: ages, money, distances, recipes, sharingPure logic: deduction, true and false reasoning, counterexamples, eliminationCounting without missing or double-counting, plus measurement and unit conversionA final chapter of mixed challenges that combine every idea from the bookA fitting companion for the Math Kangaroo and school olympiads, and a fun resource for any young problem solver. Read more