Problems are divided into three levels of difficulty: 3-point questions: Simple logic and basic arithmetic.
Don't just drill multiplication tables; play logic games and solve riddles.
💡 The Kenguru Olympiad is designed to show that math is fun. It rewards "outside the box" thinking over school-book formulas. To help you further, I can find: The official 2017 answer key for the 3rd-grade level.
The best way to succeed is to solve the official 2017 PDF.